{"title":"Interfaces \u0026 Converters","description":null,"products":[{"product_id":"erweiterungsboard-fur-raspberry-pi-typ-x735-inkl-lufter","title":"X735 expansion board for Raspberry Pi - UPS, 5 V, with fan","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board for single-board computers with integrated power supply and UPS function\u003c\/li\u003e \u003cli\u003eManages 5 V operating voltage and additional 3.3 V for peripherals\u003c\/li\u003e \u003cli\u003eEmergency stop and soft-shutdown switches for controlled shutdown\u003c\/li\u003e \u003cli\u003eBattery backup with lithium-ion battery for seamless power supply during outages\u003c\/li\u003e \u003cli\u003eStackable board with standard GPIO layout for additional expansions\u003c\/li\u003e \u003cli\u003eThermal regulation through integrated heatsinks\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis expansion board adds professional power management and emergency power functionality to single-board computers. The module supplies 5 V to the main board and an additional 3.3 V for connected sensors and modules, allowing devices with different voltage requirements to be operated from a single power connection. An integrated lithium-ion battery automatically takes over in the event of a power failure and enables the system to shut down in a controlled manner instead of being forcibly interrupted.\u003c\/p\u003e \u003cp\u003eThe board features an emergency stop switch for immediate power disconnection and a soft-shutdown switch that cleanly shuts down the operating system. These two functions prevent data loss caused by improper shutdowns. The standard GPIO pin header allows additional expansion modules to be connected at the same time without soldering.\u003c\/p\u003e \u003cp\u003eThe board is suitable for stationary projects with increased reliability requirements, such as smart home hubs that must remain accessible even during power outages, or data logging systems at remote locations. The UPS function is also valuable for hobby weather stations or monitoring solutions that need to run continuously.\u003c\/p\u003e \u003cp\u003eOperation requires a power supply that provides at least 5 V with sufficient current. The battery must be charged before first use. The board fully occupies the standard GPIO connector and does not allow a second identical expansion board to be stacked on the same socket.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is not intended for installation in household electrical systems and is intended exclusively for building prototypes and for testing and development purposes. The lithium-ion battery must not be overcharged or short-circuited; if the battery is damaged, the board must be replaced before commissioning. Work on or in the immediate vicinity of the power supply must be carried out by a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Multifunctional expansion board for Raspberry PI, type X735, including fan\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997794279773,"sku":"F23109088","price":46.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/erweiterungsboard-fuer-raspberry-pi-typ-x735-inkl-luefter-funduino-1118220.jpg?v=1791497356"},{"product_id":"w5500-ethernet-modul","title":"W5500 Ethernet module - SPI, 10\/100 Mbit\/s, 3.3 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEthernet module with W5500 chipset for wired network connections\u003c\/li\u003e \u003cli\u003eSPI interface for connection to microcontroller boards\u003c\/li\u003e \u003cli\u003e10\/100 Mbps connection with integrated TCP\/IP stack\u003c\/li\u003e \u003cli\u003e3.3 V supply voltage\u003c\/li\u003e \u003cli\u003eRJ45 socket for network cables, compliant assembly with surge protection\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe Ethernet module with W5500 chipset connects microcontroller boards to local networks or the Internet via a wired connection. The integrated TCP\/IP stack handles the communication protocols, allowing the control logic to focus on the application. The module connects via SPI and requires only a few control signals.\u003c\/p\u003e \u003cp\u003eSince the supply voltage is 3.3 V, the module is directly compatible with modern boards using this logic-level voltage. For operation with 5 V boards, level shifting on the SPI lines is required. The network connection is made via an RJ45 connector, enabling direct connection to switches, routers, or wall sockets with standard cabling.\u003c\/p\u003e \u003cp\u003eApplications include data loggers that send measured values to the network, IoT prototypes with remote access, or local control systems that can be operated from the same network. The module can also serve as an interface to web-based services, for example when a sensor needs to transmit its data to a cloud service.\u003c\/p\u003e \u003cp\u003eA microcontroller or single-board computer with available SPI pins is required, along with knowledge of the board's voltage levels. A network cable with RJ45 connectors is required separately. The module is intended exclusively for prototypes and testing purposes and requires basic knowledge of programming network communication.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe module is not intended for installation in the household power circuit. It is intended exclusively for building prototypes and for testing and development purposes. Work on or in the immediate vicinity of electrical installations is reserved for qualified electricians; if anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x W5500 Ethernet Module\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997801849181,"sku":"F23106786","price":9.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/w5500-ethernet-modul-funduino-6989843.png?v=1791493453"},{"product_id":"prazisions-rtc-modul-fur-raspberry-pi-pico-ds3231-chip","title":"DS3231 RTC module - real-time clock with I2C for Raspberry Pi Pico","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReal-time clock for Raspberry Pi Pico with external power supply, functional even without USB\u003c\/li\u003e \u003cli\u003eAccuracy of ±2 minutes per year at average temperature\u003c\/li\u003e \u003cli\u003eI2C interface, address 0*68, compatible with standard microcontroller boards\u003c\/li\u003e \u003cli\u003eIntegrated battery for timekeeping during power outages\u003c\/li\u003e \u003cli\u003eTemperature-compensated precision oscillator\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe DS3231 real-time clock retains the date and time even when the Raspberry Pi Pico is switched off. The module connects to the microcontroller via I2C and requires only two signal lines (SCL and SDA). Since timekeeping continues without an external power supply, the need to reinitialize the time after every restart is eliminated. Anyone collecting timestamped data or requiring time-controlled functions can significantly reduce software complexity with this module.\u003c\/p\u003e \u003cp\u003eThe oscillator uses a temperature-compensated crystal, which keeps the accuracy stable over several months. For applications requiring the highest precision, fine adjustment can be performed later. The integrated battery maintains timekeeping for several years, without the need for a separate backup component.\u003c\/p\u003e \u003cp\u003eTypical applications include autonomous data loggers (temperature, air humidity, or moisture measurements with timekeeping for tracking changes over time), autonomous vehicles or robots with time-critical actions, as well as alarm systems and clock applications without an Internet connection. This type of module is also suitable for projects in which events must be recorded with precise timestamps, such as recording motion alerts with the system time.\u003c\/p\u003e \u003cp\u003eOperation is designed for 3.3 V and is therefore directly compatible with the Raspberry Pi Pico. A level shifter is required when connecting to boards with 5 V logic. The module requires an I2C address that may conflict with other components on the same bus. Depending on the project setup, the standard address 0*68 should be checked.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for building prototypes and for testing and development purposes and must not be installed in household electrical circuits. Work on or near electrical installations must be carried out by qualified electricians; if in doubt, consult a qualified electrician before commissioning. The installed battery is subject to transport regulations for lithium batteries.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Precision RTC module for Raspberry Pi Pico, DS3231 chip\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997806829917,"sku":"F23108228","price":23.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/praezisions-rtc-modul-fuer-raspberry-pi-pico-ds3231-chip-funduino-9604878.png?v=1791473478"},{"product_id":"gpio-schraubklemmen-erweiterungsboard-fur-raspberry-pi-pico","title":"GPIO expansion board - screw terminals, 40-pin, for Raspberry Pi Pico","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board for single-board computers with GPIO connections\u003c\/li\u003e \u003cli\u003e40-pin header for direct connection to the GPIO header\u003c\/li\u003e \u003cli\u003eScrew terminals for secure, solder-free wire connections\u003c\/li\u003e \u003cli\u003eUp to 28 GPIO pins can be used\u003c\/li\u003e \u003cli\u003eSimple signal pass-through without changing functionality\u003c\/li\u003e \u003cli\u003eBoard with labels for pin numbers and functions\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis expansion board brings the GPIO connections of a single-board computer to easily accessible screw terminals. The 40-pin header plugs into the board's GPIO header and passes through all available signals without changing or amplifying them. This allows external components and circuits to be connected more quickly and without soldering.\u003c\/p\u003e \u003cp\u003eThe screw terminals allow wires or cables to be securely attached and replaced just as quickly when needed. The board typically includes terminals for the 3.3 V and 5 V supply voltages as well as ground, and distributes the GPIO pins in a structured arrangement across several rows. All 40 positions are usually populated, with around 28 typically available as freely usable digital or analog inputs and outputs.\u003c\/p\u003e \u003cp\u003eThe board is useful wherever prototypes are built and quick changes are practical, such as in test circuits for sensors, motors, or relays. Permanent screw-terminal wiring makes modifications considerably less complicated than soldered wiring. Since the board only distributes the GPIO signals and does not process them, all GPIO functions such as PWM, SPI, or I2C can be used unchanged.\u003c\/p\u003e \u003cp\u003eThe board plugs into the GPIO header of the single-board computer and requires no external power supply. The computer's own power supply must be ensured for the complete circuit. The maximum load per GPIO pin is typically 16 milliamperes; anyone wishing to switch higher loads requires separate driver modules or relay boards.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eAvoid damaging the GPIO pins when plugging in the board; the connector and header must be aligned exactly. The board is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x GPIO expansion board for Raspberry Pi Pico\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997818167645,"sku":"F23107761","price":24.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-schraubklemmen-erweiterungsboard-fuer-raspberry-pi-pico-funduino-6269842.png?v=1791474057"},{"product_id":"w5500-spi-ethernet-modul-tcp-ip-kompatibel-mit-wiz820io","title":"W5500 Ethernet module - SPI, TCP\/IP in hardware, 3.3 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEthernet module with W5500 chip and complete TCP\/IP protocol stack in hardware\u003c\/li\u003e \u003cli\u003eSPI interface up to 80 MHz, 32 KB transmit\/receive buffer\u003c\/li\u003e \u003cli\u003eRJ45 connector with integrated transformer, no additional network circuitry required\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 V\u003c\/li\u003e \u003cli\u003eCompatible with existing Ethernet plug-in module circuits\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe module connects a microcontroller wirelessly to an Ethernet network via the SPI interface. The W5500 chip implements the complete TCP\/IP protocol stack directly in hardware, so connection establishment, data acknowledgment, and packet retransmission are handled automatically without the microcontroller having to deal with them.\u003c\/p\u003e \u003cp\u003eThe chip independently handles all network and transport layer tasks. The microcontroller only sends and receives the actual application data via the SPI lines. Since the transformer is already installed on the module, no additional circuitry is required between the chip and the Ethernet jack.\u003c\/p\u003e \u003cp\u003eApplications include IoT devices, smart home systems, data loggers, and embedded web servers where sensors or switches report their values over the local network or the Internet. The module is mechanically and electrically compatible with circuits designed for comparable Ethernet modules.\u003c\/p\u003e \u003cp\u003eA microcontroller with an SPI interface and the appropriate Ethernet library for the development environment are required. A 3.3 V power supply must be ensured.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in the household electrical circuit. Work on or near electrical installations must be carried out by qualified electricians; if anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x W5500 SPI Ethernet Module - TCP\/IP, compatible with WIZ820io\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997825802589,"sku":"F23106688","price":8.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/w5500-spi-ethernet-modul-tcpip-kompatibel-mit-wiz820io-funduino-9367101.png?v=1791494687"},{"product_id":"mcp4725-i2c-dac-wandler-mit-12-bit-auflosung","title":"MCP4725 DAC converter - I2C, 12 bit, 0-5.5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital-to-analog converter with 12-bit resolution and I2C interface\u003c\/li\u003e \u003cli\u003eOutput voltage adjustable from 0 to 5.5 V\u003c\/li\u003e \u003cli\u003ePower consumption below 1 mA during operation\u003c\/li\u003e \u003cli\u003eI2C address selectable via pins; multiple modules can be used on the bus simultaneously\u003c\/li\u003e \u003cli\u003eSmall SMD module; no external power supply filter required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe I2C DAC converter converts digital control values into analog voltages. The module operates via the I2C interface, requiring only two data lines in addition to the power supply. This allows multiple converters to be operated on the same bus without using up additional connection pins.\u003c\/p\u003e \u003cp\u003eThe 12-bit resolution provides 4096 steps for voltage conversion. The output voltage can be continuously adjusted by software between 0 and 5.5 V. With power consumption below 1 mA, the converter is highly energy-efficient and can also be powered by low-power sources.\u003c\/p\u003e \u003cp\u003eApplications range from controlling analog input modules and generating reference voltages to driving analog audio inputs and outputs. In a prototyping setup, such as a servo control system, the converter is often used to provide a control voltage for amplifiers in order to control motors or LEDs via the microcontroller.\u003c\/p\u003e \u003cp\u003eThe required operating voltage is between 2.7 V and 5.5 V. A dedicated power supply can be omitted if the controller being used provides this voltage range. For I2C operation on the same bus, ensure that all modules operate at the same voltage level; different levels require an additional level shifter.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe module is not intended for installation in household electrical circuits. It is intended exclusively for prototyping, testing, and development purposes. Work on or near electrical installations must be carried out by qualified electricians; if you are unsure about the power supply or voltage compatibility, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x MCP4725 - I2C DAC converter with 12-bit resolution (soldered)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997831078237,"sku":"F23107081","price":4.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mcp4725-i2c-dac-wandler-mit-12-bit-aufloesung-funduino-7709476.png?v=1791494701"},{"product_id":"pcf8563-rtc-modul-fur-arduino","title":"PCF8563 RTC module - real-time clock with I2C, battery backup, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReal-time clock module with battery backup for Arduino and compatible boards\u003c\/li\u003e \u003cli\u003eMeasures the date and time with an accuracy of ±3 seconds per month\u003c\/li\u003e \u003cli\u003eI2C interface for easy connection to microcontrollers\u003c\/li\u003e \u003cli\u003eStores the time even when the power supply is interrupted thanks to the integrated backup battery\u003c\/li\u003e \u003cli\u003e5 V operating voltage, compatible with standard Arduino boards\u003c\/li\u003e \u003cli\u003eBoard with assembled pin headers for plugging into prototyping breadboards\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe PCF8563 module is a real-time clock for timekeeping in Arduino projects and other systems with an I2C interface. It keeps track of the date and time even when the power supply is interrupted. This is made possible by a built-in backup battery that allows the clock function to continue running independently.\u003c\/p\u003e \u003cp\u003eThe module operates via the I2C bus, which means it shares a two-wire data line with other I2C sensors and modules, saving connections. Five volts is sufficient for operation. An deviation of around three seconds per month is sufficient for many applications; if necessary, the time can be adjusted via the Arduino.\u003c\/p\u003e \u003cp\u003eTypical applications include data loggers that record each measurement with a timestamp, or systems that need to switch actuators at defined times. Such a module is also frequently used in alarm systems and timekeeping devices. Even if the Arduino has been switched off for a week, the device starts up afterward with the correct time.\u003c\/p\u003e \u003cp\u003eAn Arduino or another single-board computer with I2C connections and a 5 V operating voltage is required. Communication takes place via libraries available for common development environments. A simple wire-and-connector system makes assembly possible without soldering.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eMake sure to insert the battery with the correct polarity. The module is intended exclusively for building prototypes and for testing and development purposes; it is not suitable for installation in household electrical systems.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x PCF8563 RTC module for Arduino\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997836124509,"sku":"F23106517","price":2.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/pcf8563-rtc-modul-fuer-arduino-funduino-3685549.png?v=1791494042"},{"product_id":"bidirektionaler-2-kanal-i2c-pegelwandler-3-3-v-↔-5-v","title":"2-channel I2C level shifter - bidirectional, 3.3 V and 5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eBidirectional level shifter for two I2C channels between 3.3 V and 5 V logic levels\u003c\/li\u003e \u003cli\u003eConverts voltage levels in both directions\u003c\/li\u003e \u003cli\u003ePreserves data rates and signal integrity on the I2C bus\u003c\/li\u003e \u003cli\u003eLower power consumption due to passive circuitry\u003c\/li\u003e \u003cli\u003eBroad compatibility with common microcontroller boards and sensors\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA bidirectional level shifter bridges the voltage differences between 3.3 V and 5 V logic circuits on the I2C bus. The module allows 3.3 V boards, such as modern microcontrollers, to be connected to 5 V sensors and modules without damaging their sensitive inputs.\u003c\/p\u003e \u003cp\u003eThe level shifter operates without an external power source and uses the I2C bus pull-up resistors as its power source. The passive circuit uses small field-effect transistors for each of the two channels to limit the data signal to the respective lower voltage. This allows the signals to retain their shape even at higher data rates, typically up to 400 kbit\/s.\u003c\/p\u003e \u003cp\u003eThe level shifter is commonly used when development boards such as Arduino-compatible microcontrollers need to communicate with older 5 V sensors, real-time clock modules, or memory devices. The module also eliminates the need to separately source and adapt each sensor when building distributed measurement setups with different supply voltages.\u003c\/p\u003e \u003cp\u003eFor operation, pull-up resistors are required on the 5 V side of the I2C bus, typically 4.7 kΩ. The module itself does not require an additional power supply, but both voltage references must be present at the operating point.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for prototypes and testing and development purposes. It is not designed for installation in household electrical circuits. If you have questions about the correct wiring or commissioning, consult a qualified electrician before making any connections.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x bidirectional 2-channel I2C level shifter 3.3 V ↔ 5 V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844447581,"sku":"F23106781","price":1.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/bidirektionaler-2-kanal-i2c-pegelwandler-33-v-5-v-funduino-2647102.png?v=1791494720"},{"product_id":"adc-modul-ads1115-16-bit-i2c-4-kanal-mit-pga","title":"ADS1115 ADC Module - 16-bit, 4-channel, I2C, with PGA","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e16-bit analog-to-digital converter for four independent inputs\u003c\/li\u003e \u003cli\u003eMeasurement range from 0.256 V to 6.144 V with programmable gain\u003c\/li\u003e \u003cli\u003eI2C bus interface; up to four modules can be connected to one controller\u003c\/li\u003e \u003cli\u003eSampling rate of up to 860 Hz, with low power consumption and a quiescent current below 150 µA\u003c\/li\u003e \u003cli\u003eOperating voltage from 2 V to 5.5 V, ready for direct use with 3.3 V and 5 V systems\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis 16-bit analog-to-digital converter digitizes slowly changing measurements such as temperature, humidity, or light levels. The programmable gain adapts the measurement accuracy to the respective signal level without having to change the input voltage range. This keeps the measured value at a stable level and avoids wasting resolution bits due to signals that are too small.\u003c\/p\u003e \u003cp\u003eThe I2C interface connects the module to a microcontroller, saving several connections. Multiple modules can operate on the same I2C bus if they are assigned different addresses. Power consumption remains low enough for battery-powered applications.\u003c\/p\u003e \u003cp\u003eThe module measures environmental parameters for data loggers and sensor networks, captures analog sensors on robots or measuring stations, and evaluates output voltages from measurement amplifiers. In a weather station, for example, a light sensor, soil moisture sensor, and external temperature probes can be operated alongside one another on the four channels.\u003c\/p\u003e \u003cp\u003eOperation requires a microcontroller or single-board computer with an I2C interface and the corresponding software library. The power supply must provide at least 100 mA at 3.3 V or 5 V. The measurement range from below 300 mV to above 6 V should match the sensor output voltage; for smaller signals, the internal gain supports amplification by up to a factor of 16.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes. It must not be connected to high-voltage circuits or household power networks. Operating with measurement signals above 5.5 V will destroy the module; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x ADC module ADS1115, 16-bit, I2C, 4-channel, with PGA\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844939101,"sku":"F23107977","price":4.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/adc-modul-ads1115-16-bit-i2c-4-kanal-mit-pga-funduino-4438125.jpg?v=1791493661"},{"product_id":"nano-r3-expansion-board-fur-schraubklemmen-ungelotet","title":"Expansion Board for Arduino Nano R3 - 14 screw terminals, unsoldered","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion module for Arduino Nano R3 with 14 screw terminals for external wiring\u003c\/li\u003e \u003cli\u003eDirect connection without soldering\u003c\/li\u003e \u003cli\u003e30 digital\/analog inputs and power connections accessible via terminals\u003c\/li\u003e \u003cli\u003eBoard fits the standard pin headers of the Arduino Nano R3\u003c\/li\u003e \u003cli\u003eUnsoldered version for flexible plug-in configuration\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis expansion module brings the connection pins of an Arduino Nano R3 out to screw terminals, enabling wired connections without soldering. The 14 terminals provide access to all 14 digital outputs, the eight analog inputs, and the board's four power supply lines.\u003c\/p\u003e \u003cp\u003eThe module plugs directly onto the Nano R3's pin header. Its unsoldered design allows the terminals to be assigned differently depending on the project, without modifying the board. Cables are simply inserted into the terminals and secured with a set screw.\u003c\/p\u003e \u003cp\u003eTypical applications include laboratory setups with changing sensor wiring, prototypes requiring frequent rewiring, and demonstrations or lessons without the need for soldering. The system is also suitable for connecting external amplifier modules or switching relays when multiple inputs and outputs need to be used simultaneously.\u003c\/p\u003e \u003cp\u003eThe module requires an Arduino Nano R3 as the host board and must be plugged onto its pin rows. To keep the screw terminals accessible, the module should not be installed in a tight enclosure.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in household mains circuits. Contact with mains voltage poses a risk of electric shock. Work on or near electrical installations must be carried out by qualified electricians; if you have questions about safe wiring, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x NANO R3 Expansion Board for screw terminals\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997845397853,"sku":"F25110643","price":2.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/nano-r3-expansion-board-fuer-schraubklemmen-ungeloetet-funduino-1114152.png?v=1791493656"},{"product_id":"sn65hvd230-can-bus-transceiver-modul-breakout-board","title":"SN65HVD230 CAN bus transceiver - breakout board, 3.3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCAN bus transceiver for connecting microcontroller boards to CAN networks\u003c\/li\u003e \u003cli\u003e3.3 V to 5 V power supply, operates the interface at both voltage levels\u003c\/li\u003e \u003cli\u003eBreakout board with screw terminals for the CAN bus and pin headers for the signal lines\u003c\/li\u003e \u003cli\u003eDifferential signal transmission for robust communication over longer distances\u003c\/li\u003e \u003cli\u003eIntegrated transceiver IC with isolated design\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA CAN bus transceiver provides the interface between the microcontroller's digital signals and the CAN network. The module converts the logic levels into the differential voltages required by the CAN standard, and vice versa. The IC operates with supply voltages between 3.3 V and 5 V, allowing the board to be connected to both 3.3 V systems and 5 V controller boards without requiring additional level shifters.\u003c\/p\u003e \u003cp\u003eThe breakout board provides connections for a CAN-High and CAN-Low conductor via screw terminals, while the signal lines and power supply are connected via standard pin headers. Differential transmission makes CAN networks resistant to interference, even over distances of 10 meters or more. This enables reliable communication between multiple nodes in larger setups, such as distributed sensor networks in automotive technology, industrial automation, or building control systems.\u003c\/p\u003e \u003cp\u003eThe transceiver requires only a few connecting wires to the controller. CAN networks have an open structure, allowing new modules to be added without interrupting existing wiring. Baud rates of up to 1 Mbit\/s are common; 250 kbit\/s or 500 kbit\/s are often sufficient for standard applications.\u003c\/p\u003e \u003cp\u003eThe CAN bus itself must be terminated to prevent reflections. A 120-ohm resistor is connected between CAN-H and CAN-L at each end of the bus line. The controller software must support CAN communication, either through integrated hardware or libraries.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe module is not intended for use in household electrical installations and is exclusively designed for prototyping, testing, and development purposes. Work on or immediately next to existing CAN lines in vehicles or technical systems must be carried out by qualified electricians. If you are unsure about integrating the module into an existing network, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* SN65HVD230 CAN Bus Transceiver Module - Breakout Board\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997857849693,"sku":"F23107015","price":2.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/sn65hvd230-can-bus-transceiver-modul-breakout-board-funduino-2205320.png?v=1791494189"},{"product_id":"mcp2515-tja1050-spi-konverter-can-v2-0b","title":"MCP2515 CAN bus converter - SPI to CAN V2.0B, TJA1050, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCAN bus converter with MCP2515 and TJA1050\u003c\/li\u003e \u003cli\u003eSPI interface for microcontroller boards\u003c\/li\u003e \u003cli\u003eOperating voltage 5 V\u003c\/li\u003e \u003cli\u003eCommunication in vehicles, industrial systems, and connected devices\u003c\/li\u003e \u003cli\u003eCompactly soldered onto a prototyping board\u003c\/li\u003e \u003cli\u003eWith pin headers for secure plug connections\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis CAN bus converter converts serial communication from the SPI standard to the CAN protocol. The MCP2515 IC handles protocol conversion, while the TJA1050 transceiver buffers the voltage levels between the microcontroller and the CAN line. The module operates at 5 V and requires only four signal lines (clock, data in, data out, chip select) for the SPI connection.\u003c\/p\u003e \u003cp\u003eThe CAN bus is suitable for systems that need to connect multiple devices reliably over longer distances. In vehicle projects, the module enables connection to engine control units or sensor networks; in industrial applications, it connects distributed measuring stations or actuator modules. CAN is also used in smart home systems with real-time-critical requirements.\u003c\/p\u003e \u003cp\u003eThe converter is connected to a free SPI port on the microcontroller board. The function of each pin can be identified from the connection labels on the board. A 5 V power source is sufficient; in addition, the two CAN lines (High and Low) must be connected to the corresponding CAN network. Software libraries for common controllers and development environments are freely available.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eBefore connecting to CAN networks in vehicles or industrial systems, check whether a qualified electrician needs to be consulted. The module is intended only for building prototypes and for testing and development purposes; it is not intended for installation in household electrical circuits or for productive operation.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x MCP2515 TJA1050 SPI Converter - CAN V2.0B\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997859291485,"sku":"F23108486","price":4.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mcp2515-tja1050-spi-konverter-can-v20b-funduino-6337603.png?v=1791493753"},{"product_id":"ft232rl-programmer-ftdi-usb-zu-ttl-serial-adapter-3-3-und-5v","title":"FT232RL USB-TTL adapter - FTDI programmer, 3.3 and 5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUSB-to-serial adapter with FTDI chipset for TTL levels\u003c\/li\u003e \u003cli\u003eConnects computers via USB to serial devices and microcontroller boards\u003c\/li\u003e \u003cli\u003eSupports data rates of up to 3 Mbit\/s\u003c\/li\u003e \u003cli\u003eDrivers for Windows, macOS, and Linux available\u003c\/li\u003e \u003cli\u003eOperating voltage 5 V, current consumption below 100 mA\u003c\/li\u003e \u003cli\u003eCompact design with no external power supply required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe adapter enables serial communication between a computer and microcontroller devices via USB. The integrated FTDI chip converts the USB signal into standard TTL levels, providing a bridge to 3.3 V and 5 V logic.\u003c\/p\u003e \u003cp\u003eThe module plugs directly into an available USB port; drivers must be installed before use. The serial interface is then recognized by the operating system as a COM port and can be accessed immediately. With data rates of up to 3 Mbit\/s, the adapter also supports higher transmission speeds.\u003c\/p\u003e \u003cp\u003eThe module is used for programming Arduino boards and similar microcontrollers, debugging via serial consoles, reading sensors through simple interfaces, and adapting older serial hardware for use with modern computers. In prototyping projects, it eliminates the need to purchase specialized programming devices.\u003c\/p\u003e \u003cp\u003eUSB cables (typically Type A to Micro-B), jumper wires for connecting to the target device, and, if necessary, resistors for level conversion in mixed 3.3 V and 5 V circuits are required. The target device is powered separately.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe adapter is not intended for connection to household mains circuits or industrial power supplies. It is intended exclusively for prototyping and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if in doubt, consult a qualified electrician before use.\u003c\/p\u003e \u003ch4\u003ePackage Contents\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x FT232RL Programmer - FTDI, USB to TTL Serial Adapter FT232, 3.3 and 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997865877853,"sku":"F23105908","price":12.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ft232rl-programmer-ftdi-usb-zu-ttl-serial-adapter-33-und-5v-funduino-2545092.png?v=1791493278"},{"product_id":"bbc-micro-bit-shield-gpio-erweiterungs-adapter-modul","title":"GPIO expansion board for micro:bit - pin headers","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion module for the BBC Micro:Bit\u003c\/li\u003e \u003cli\u003eExpands the GPIO connections to standard pin headers\u003c\/li\u003e \u003cli\u003eCompatible with breadboards and jumper wires\u003c\/li\u003e \u003cli\u003eEnables simultaneous use of multiple sensors and actuators\u003c\/li\u003e \u003cli\u003eEdge Connector is routed to the pin headers\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis adapter brings the GPIO pins of the BBC Micro:Bit out to standard pin headers. Instead of wiring the individual contacts of the Edge Connector directly, all connections can be routed using standard jumper wires or directly into a breadboard. This saves assembly work and significantly reduces potential sources of error when setting up experiments.\u003c\/p\u003e \u003cp\u003eThe adapter plugs into the Micro:Bit and connects its Edge Connector to continuous female headers. All GPIO pins, the power supply, and the signal lines are immediately available. Multiple sensors or actuators can be connected in parallel without the need for additional wiring tricks. This is particularly practical when experimenting, as the setup can be changed frequently.\u003c\/p\u003e \u003cp\u003eTypical applications include temperature and brightness measurements with several sensors at the same time, controlling motors and relays, and light signal projects with individual LEDs. The adapter is also suitable for recording button inputs in combinations, for example when controlling model vehicles or interactive installations.\u003c\/p\u003e \u003cp\u003eThe Micro:Bit and a suitable breadboard or jumper wire set are required. Programming is carried out using the usual development environment for the Micro:Bit. Depending on the connected components, an additional power supply may be required, for example for motors above a certain power rating.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes. It must not be installed in the household electrical circuit. Qualified electricians are responsible for work on or in the immediate vicinity of electrical systems; clarify any uncertainties with a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x BBC Micro:Bit Shield - GPIO Expansion Adapter Module\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997927776605,"sku":"F23106514","price":7.09,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/bbc-microbit-shield-gpio-erweiterungs-adapter-modul-funduino-7041942.png?v=1791493376"},{"product_id":"nano-r3-expansion-board-fur-schraubklemmen","title":"Expansion board for Arduino Nano R3 - screw terminals, 30 pins","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion module for Arduino Nano R3 with screw terminals for all connections\u003c\/li\u003e \u003cli\u003eAll GPIO, power supply, and communication pins accessible\u003c\/li\u003e \u003cli\u003eScrew terminals enable secure, solder-free wiring\u003c\/li\u003e \u003cli\u003eCompatible with standard jumper wires and external sensors up to 5 V\u003c\/li\u003e \u003cli\u003eBoard with mounting holes for enclosures or mounting fixtures\u003c\/li\u003e \u003cli\u003eSchematic diagrams and pin assignments included in the documentation\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe Expansion Board adds screw terminal connectors for all inputs and outputs of the Arduino Nano R3. Instead of pin headers with attached jumper wires, external devices, sensors, and power sources can be connected directly using screws. The connection is mechanically secure and works with commonly available copper wires ranging from 0.5 to 2.5 mm² in cross-section.\u003c\/p\u003e \u003cp\u003eThe module plugs onto the Nano and exposes all 30 signal pins in a clearly arranged layout: the nine analog inputs (A0–A7 and AREF), the 14 digital inputs\/outputs (D0–D13), the four power supply lines, and ground. The pin assignment of the original board is retained. The signals run in parallel to the Nano, so it remains directly accessible.\u003c\/p\u003e \u003cp\u003eTypical applications include experimental circuits without a soldering iron, such as connecting temperature or distance sensors, relay modules, or simple switches. Educational projects also benefit because setups can be rewired quickly and wiring errors are immediately visible. For small industrial control systems, the screw terminals offer greater resistance to vibration than plug-in connectors.\u003c\/p\u003e \u003cp\u003eThe board requires the Nano's usual power supply via USB or an external 5-V source. Sensors and actuators must be designed for 5-V logic when connected directly to the digital outputs; 3.3-V modules require a level shifter. The mounting holes along the edges of the board allow it to be installed in an enclosure.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is not intended for connection to household mains. It is intended exclusively for building prototypes and for testing and development purposes. Work on or in the immediate vicinity of electrical installations is reserved for qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x NANO R3 Expansion Board for screw terminals\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997937508701,"sku":"F23106779","price":2.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/nano-r3-expansion-board-fuer-schraubklemmen-funduino-5771096.png?v=1791496238"},{"product_id":"tca9548a-i2c-multiplexer","title":"TCA9548A I2C multiplexer - 8 channels, 2.3-5.5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eI2C multiplexer with eight channels for expanding addressability\u003c\/li\u003e \u003cli\u003eOperating voltage of 2.3 to 5.5 V, compatible with 3.3 V and 5 V logic\u003c\/li\u003e \u003cli\u003eI2C interface with Standard and Fast modes, passed through continuously to the host\u003c\/li\u003e \u003cli\u003eEight independent outputs, allowing one sensor at the same address to be operated on each\u003c\/li\u003e \u003cli\u003eVery low power consumption, standby current below 10 µA\u003c\/li\u003e \u003cli\u003eSMD solder joints require SMD equipment or an adapter board\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe I2C multiplexer expands the addressability of I2C sensors on a microcontroller board. The chip provides eight independently switchable outputs and routes the data lines and clock signal to one active channel at a time. This allows multiple sensors with identical addresses to be operated in parallel, even though the bus normally requires unique addresses.\u003c\/p\u003e \u003cp\u003eThe operating voltage between 2.3 and 5.5 V allows direct connection to 3.3 V and 5 V boards without a level shifter. The host's I2C bus is passed through continuously, so other devices can also be powered on the same bus. Thanks to its very low standby current of less than 10 µA, the module is particularly suitable for battery-powered projects.\u003c\/p\u003e \u003cp\u003eApplications arise wherever multiple identical sensors need to be read simultaneously. A room climate system with several temperature and humidity sensors at different locations can query each sensor through its own multiplexer channel without changing the address assignments. In robotics projects with multiple distance sensors or in IoT applications with distributed data collectors, the complex wiring required for alternative bus systems is eliminated.\u003c\/p\u003e \u003cp\u003eA microcontroller or single-board computer with I2C master capability is required. The module does not require external capacitors, but does require SMD soldering equipment or a suitable adapter board. The channel load is limited by the I2C specification and the current-handling capability of the host master.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe multiplexer is intended exclusively for building prototypes and for testing and development purposes; it is not suitable for permanent use on household electrical circuits. The SMD design requires suitable soldering equipment or an appropriate adapter. When wiring to the host system, ensure correct polarity and voltage compatibility; if in doubt, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x TCA9548A I2C Multiplexer\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997939212637,"sku":"F23106495","price":2.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/tca9548a-i2c-multiplexer-funduino-1147174.png?v=1791495019"},{"product_id":"rtc-modul-ds3231-mit-i2c-schnittstelle","title":"DS3231 RTC Module - Real-Time Clock with I2C, 3.3-5.5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReal-time clock module with I2C interface\u003c\/li\u003e \u003cli\u003eDate and time measurement with seconds-level accuracy\u003c\/li\u003e \u003cli\u003eIntegrated backup battery for operation during power outages\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 to 5 V\u003c\/li\u003e \u003cli\u003eI2C bus allows multiple modules to use just a few connection pins\u003c\/li\u003e \u003cli\u003eCompact carrier board with pin headers, allowing solder-free assembly\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe real-time clock module with I2C interface provides the date and time with seconds-level accuracy. An integrated crystal oscillator keeps the time stable even when the external power supply fails, thanks to a backup battery that ensures at least ten years of operation.\u003c\/p\u003e \u003cp\u003eSince the module communicates via I2C, multiple such modules or other sensors can be connected to the same bus without occupying additional connection pins. With operating voltages between 3.3 and 5 V, it works with common microcontroller boards and single-board computers. Level shifters are not required if the board also uses 5 V.\u003c\/p\u003e \u003cp\u003eThe module is used in automation systems that require time-controlled measurements or switching operations. A smart home project can use it to record events chronologically and evaluate them later. Data loggers use the module to provide measured values with reliable timestamps, while alarm systems can reliably schedule notifications over longer periods.\u003c\/p\u003e \u003cp\u003eIn addition to connecting it to the microcontroller board, an external power supply is required for operation. The backup battery may need to be activated or replaced before initial commissioning. The module requires appropriate driver routines or libraries in the programming software, which are generally available for common platforms.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eWork on or near electrical installations must be carried out by qualified electricians. This module is intended exclusively for building prototypes and for testing and development purposes and is not intended for integration into the household electrical circuit. If you are unsure about the power supply or circuit diagram, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cp\u003ePinout:\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998074904925,"sku":"F23106657","price":5.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/rtc-modul-ds3231-mit-i2c-schnittstelle-funduino-6002914.png?v=1791496357"},{"product_id":"ds1307-i2c-rtc-modul-tiny-rtc","title":"DS1307 Tiny RTC module - I2C real-time clock, 5 V, backup battery","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReal-time module with I2C interface, buffering time data from seconds to years\u003c\/li\u003e \u003cli\u003eOperating voltage 5 V (3.3 V possible with a level shifter)\u003c\/li\u003e \u003cli\u003eIntegrated coin-cell battery preserves time data during power outages\u003c\/li\u003e \u003cli\u003ePluggable onto common 5 V microcontroller boards\u003c\/li\u003e \u003cli\u003eTwo configurable alarm inputs\u003c\/li\u003e \u003cli\u003e32.768 kHz crystal frequency for precise timekeeping\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe real-time module is a digital clock IC with a backup battery for applications where time data must be retained over extended periods without power. The DS1307 chip communicates via the I2C bus, requiring only two connection pins for data communication. This allows multiple sensors and modules to be connected to a microcontroller simultaneously without occupying additional digital inputs.\u003c\/p\u003e \u003cp\u003eThe module stores the time, date, and day of the week with an accuracy of approximately one minute per month. The integrated battery bridges power outages, so the time does not need to be reset when the external power supply is interrupted. When starting up, the microcontroller reads the current time from the module. The two alarm inputs can be programmed for time-controlled operations, such as switching devices at defined times.\u003c\/p\u003e \u003cp\u003eTypical applications include data loggers that work with timestamps, weather stations that associate readings with a time, or simply devices that need to know the current time for operation. The module is also suitable as a component for smart timers or for documenting event times in industrial processes.\u003c\/p\u003e \u003cp\u003eThe module operates directly on 5 V boards; boards with 3.3 V logic require a level shifter for the two signal lines. The battery can be used without additionally powering the module, as long as the data is not to be lost. Integration requires a programming or configuration environment that supports I2C communication.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eDo not short-circuit, disassemble, or recharge the lithium cell. The module is intended exclusively for prototyping, testing, and development purposes and is not intended for installation in household mains circuits. If you are unsure about the power supply or compatibility with the microcontroller being used, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x DS1307 I2C RTC Module - Tiny RTC\u003c\/li\u003e \u003cli\u003e1x Pin header\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998135492957,"sku":"F23106775","price":1.84,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ds1307-i2c-rtc-modul-tiny-rtc-funduino-4873455.png?v=1791495656"},{"product_id":"pcf8574-8-bit-io-expansion-board-digitaler-i-o-expander","title":"PCF8574 I\/O expander - 8 digital I\/Os, I2C, 2.5-5.5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital expansion module with eight inputs and outputs for microcontroller boards\u003c\/li\u003e \u003cli\u003eI2C interface; up to eight modules can be operated in parallel on one bus\u003c\/li\u003e \u003cli\u003eOperating voltage 2.5 to 5.5 V, direct compatibility with 3.3 V and 5 V logic\u003c\/li\u003e \u003cli\u003eAddressable via three address lines, with 28 different addresses configurable\u003c\/li\u003e \u003cli\u003eScrew terminals for the connection cables\u003c\/li\u003e \u003cli\u003eSMD IC assembly enables a compact design\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis I2C expansion module provides eight additional digital inputs and outputs without using up pins on the microcontroller. It is suitable for projects that require more digital channels than the main controller provides or where the available connections are occupied elsewhere.\u003c\/p\u003e \u003cp\u003eThe module uses the widely used I2C protocol for communication. Up to eight boards can be operated on a single I2C bus using different addresses, which significantly reduces the need for cables and connectors. The operating voltage of 2.5 to 5.5 V enables use with various systems without additional level shifting.\u003c\/p\u003e \u003cp\u003eTypical applications include controlling relay groups or LED arrays, detecting the switching states of multiple sensors, or connecting valves and switches in automated setups. One example is controlling a temperature regulator with multiple changeover outputs using a simple single-board computer system.\u003c\/p\u003e \u003cp\u003eAn I2C-capable microcontroller or single-board computer, an operating voltage in the range of 2.5 to 5.5 V, and the appropriate software library for the PCF8574 IC are required. I2C pull-up resistors may be necessary depending on the bus length and number of modules.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations must be carried out by qualified electricians; if in doubt, consult a qualified electrician before commissioning. Connection to the household power circuit is prohibited.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x\u0026nbsp;PCF8574 8-BIT IO Expansion Board - Digital I\/O Expander\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998197064029,"sku":"F23106525","price":2.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/pcf8574-8-bit-io-expansion-board-digitaler-io-expander-funduino-2734353.png?v=1791495791"},{"product_id":"nano-r3-i-o-expansion-prototyping-board-v3-0-erweiterungsplatine","title":"Expansion board V3.0 for Arduino Nano - 37 digital, 8 analog pins","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board for microcontroller boards with a plug-in connector\u003c\/li\u003e \u003cli\u003eDoubles the available inputs and outputs through a matrix design\u003c\/li\u003e \u003cli\u003e37 digital and 8 analog connection pins in total\u003c\/li\u003e \u003cli\u003ePowered by the host board; no additional power supply required\u003c\/li\u003e \u003cli\u003eCompatible with common development boards in standard form factors\u003c\/li\u003e \u003cli\u003ePrototyping-friendly perfboard with power distribution rails\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis expansion board provides additional digital and analog connections when the existing host board does not have enough pins. It plugs in and draws power directly from the microcontroller board, so no separate power supply is required.\u003c\/p\u003e \u003cp\u003eThe matrix of digital and analog connections enables more complex circuits to be built without multiplexing logic. The perfboard design with continuous power distribution rails reduces wiring work during prototyping. No calibration or configuration is required.\u003c\/p\u003e \u003cp\u003eTypical applications include sensor systems with multiple simultaneous measurements, such as environmental monitoring with temperature, humidity, and light sensors. Control tasks involving many outputs, such as switching multiple loads or reading switch matrices, are also made practical. In everyday prototyping, the board saves time when managing pins and enables faster iterations.\u003c\/p\u003e \u003cp\u003eThe board can only be used with microcontroller boards that provide the plug-in connector. A slot must be available on the host board; the host board logic and operating voltage (typically 3.3 or 5 V) are already provided.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis expansion board is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in household electrical circuits. Qualified electricians must be consulted when working on or in the immediate vicinity of electrical installations. If you have questions about commissioning, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x\u0026nbsp;NANO R3 I\/O Expansion Board - expansion board\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998292451677,"sku":"F23107461","price":2.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/nano-r3-io-expansion-prototyping-board-v30-erweiterungsplatine-funduino-9731505.png?v=1791496418"},{"product_id":"microbit-expansion-board-io-bit-v2-0-micro-bit-horizontal-adapter-board-entry-level","title":"IO BIT V2.0 expansion board for micro:bit - GVS connectors, buzzer","description":"\u003cdiv style=\"margin: 24px 0; padding: 22px; background: #f7f7f7; border: 1px solid #dddddd; border-radius: 10px; box-sizing: border-box;\"\u003e \u003ch2 style=\"margin: 0 0 18px 0; font-size: 24px; line-height: 1.3;\"\u003eIO BIT V2.0 - Expansion board for the micro:bit, horizontal adapter board\u003c\/h2\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003cp style=\"margin: 0 0 12px 0;\"\u003eThe IO BIT V2.0 turns the BBC micro:bit into a fully fledged experimentation platform. Simply insert the micro:bit horizontally into the edge connector, and all pins are then available as clearly arranged three-pin headers. Sensors, servos, and modules can be connected directly without having to attach individual wires to the gold contacts.\u003c\/p\u003e \u003cp style=\"margin: 0;\"\u003eThis makes the board particularly suitable for beginners in lessons and extracurricular activities. The connections are color-coded by signal, positive, and ground, making incorrect connection virtually impossible. A buzzer and a jack socket are already on board, so you can start audio projects right away.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eHighlights\u003c\/h3\u003e \u003cul style=\"margin: 0; padding: 0 0 0 20px;\"\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eAll usable micro:bit pins brought out as three-pin GVS connections\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eColor coding in yellow, red, and black prevents incorrect connection\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eBuzzer on pin P0, which can be switched on and off using a slide switch\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003e3.5 mm jack socket for headphones or external speakers\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003ePower supplied via the micro:bit or an external USB connection with 5 V\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003e3.3 V and 5 V connections with up to 1 A, allowing 5 V sensors to be used as well\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eResettable fuse and short-circuit protection on board\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003ePower switch with indicator light\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eThe micro:bit's edge connectors remain accessible for crocodile clips\u003c\/li\u003e \u003cli style=\"margin: 0;\"\u003eTwo LEGO-compatible holes for installation in models\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eBenefits and applications\u003c\/h3\u003e \u003cul style=\"margin: 0; padding: 0 0 0 20px;\"\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eLessons and extracurricular activities with the BBC micro:bit\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eQuick connection of sensors, LEDs, relays, and small servos\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eMusic and sound projects using the buzzer or jack output\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eRobotics and model-building projects with LEGO-compatible mounting\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eOperating 5 V modules that the micro:bit alone cannot power\u003c\/li\u003e \u003cli style=\"margin: 0;\"\u003eProjects that are frequently reconfigured and need to remain stable\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eTechnical specifications\u003c\/h3\u003e \u003ctable style=\"width: 100%; border-collapse: collapse; margin: 0;\"\u003e \u003cthead\u003e \u003ctr\u003e\n\u003cth style=\"background: #478a84; color: #ffffff; text-align: left; padding: 10px; border: 1px solid #dddddd;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"background: #478a84; color: #ffffff; text-align: left; padding: 10px; border: 1px solid #dddddd;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eDesignation\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eIO BIT V2.0\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCompatibility\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eBBC micro:bit, horizontal edge connector\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eOperating voltage\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3.3 V via the micro:bit or 5 V via USB\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eOutput voltage\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3.3 V and 5 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMaximum output current\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e1 A with external 5 V power supply\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eConnection format\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eThree-pin GVS connectors, color-coded\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAudio\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eBuzzer on P0 with slide switch, 3.5 mm jack socket\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eProtection function\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eShort-circuit protection with self-resetting fuse\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMounting\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e2 LEGO-compatible mounting holes, approx. 4.8 mm, 48 mm spacing\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eDimensions\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e57 x 44 x 12 mm\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003ePackage contents\u003c\/h3\u003e \u003cul style=\"margin: 0; padding: 0 0 0 20px;\"\u003e \u003cli style=\"margin: 0;\"\u003e1x IO BIT V2.0 expansion board for the micro:bit\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eNotes\u003c\/h3\u003e \u003cul style=\"margin: 0; padding: 0 0 0 20px;\"\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eThe micro:bit is not included.\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eWhen powered only through the micro:bit, the current should remain well below 200 mA per connection. Larger servos and motors require the external 5 V power supply.\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eWith an external 5 V power supply, the total current must not exceed 1 A.\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003eTo use P0 as a normal input or output, switch off the buzzer using the slide switch.\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003ePins P3 to P11 share resources with the micro:bit's LED matrix. Disable the matrix in your program when using these pins.\u003c\/li\u003e \u003cli style=\"margin: 0 0 6px 0;\"\u003ePins 19 and 20 are reserved for the I2C bus and cannot be used as normal IO pins.\u003c\/li\u003e \u003cli style=\"margin: 0;\"\u003e5 V sensors only work when the board is powered externally with 5 V.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66042601603421,"sku":"F25111155","price":100.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/3669-F25111155_01.png?v=1791497958"},{"product_id":"micro-bit-expansion-board-v4-0","title":"Expansion Board V4.0 for micro:bit - expansion board","description":"\u003cdiv style=\"margin: 24px 0; padding: 22px; background: #f7f7f7; border: 1px solid #dddddd; border-radius: 10px; box-sizing: border-box;\"\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch2 style=\"margin: 0 0 12px 0; font-size: 22px; line-height: 1.3;\"\u003emicro:bit Expansion Board V4.0 \u003c\/h2\u003e \u003cp style=\"margin: 0 0 12px 0; line-height: 1.6;\"\u003eThe micro:bit Expansion Board V4.0 plugs into the BBC micro:bit's edge connector and routes its connections to clearly arranged, color-coded connectors. You can connect sensors, LEDs, buttons and actuators using ready-made cables instead of plugging individual wires into a breadboard or working with crocodile clips.\u003c\/p\u003e \u003cp style=\"margin: 0; line-height: 1.6;\"\u003eThis saves time in class and prevents the most common beginner mistake: mixing up the signal, positive and ground wires. Each connector is labeled on the board with its pin assignment, making the setup easy to understand and check at any time.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eThree connector types, clearly separated\u003c\/h3\u003e \u003cp style=\"margin: 0 0 12px 0; line-height: 1.6;\"\u003eThe connectors are grouped by function using color coding. You can see at a glance which connector is intended for which module type:\u003c\/p\u003e \u003cul style=\"margin: 0; padding: 0 0 0 20px; line-height: 1.7;\"\u003e \u003cli\u003e\n\u003cstrong\u003eYellow 4-pin ports\u003c\/strong\u003e for communication interfaces. These include two I2C ports on P19 and P20 as well as the SPI pins P13, P14 and P15.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBlue 3-pin ports\u003c\/strong\u003e in the classic signal-plus-ground configuration for sensors and servos.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRed 2-pin ports\u003c\/strong\u003e for simple two-wire devices such as LEDs, buttons or buzzers.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eHighlights\u003c\/h3\u003e \u003cul style=\"margin: 0; padding: 0 0 0 20px; line-height: 1.7;\"\u003e \u003cli\u003e17 connectors in three color-coded formats\u003c\/li\u003e \u003cli\u003eTwo I2C ports on P19 and P20, powered either by 3.3 V or VCC\u003c\/li\u003e \u003cli\u003eSPI pins P13, P14 and P15 routed to connectors\u003c\/li\u003e \u003cli\u003eAnalog-capable pins P0, P1 and P2 brought out multiple times\u003c\/li\u003e \u003cli\u003e3.5 mm jack socket on P0 for headphones or powered speakers\u003c\/li\u003e \u003cli\u003eMicro USB socket for external power supply\u003c\/li\u003e \u003cli\u003eJumper for selecting the VCC supply voltage between 5 V and 3.3 V\u003c\/li\u003e \u003cli\u003eComplete labeling of every pin assignment on the board\u003c\/li\u003e \u003cli\u003eFour mounting holes for mounting on base plates and in enclosures\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eApplications\u003c\/h3\u003e \u003cul style=\"margin: 0; padding: 0 0 0 20px; line-height: 1.7;\"\u003e \u003cli\u003eComputer science and technology lessons with the BBC micro:bit\u003c\/li\u003e \u003cli\u003eQuickly switching between experiments in classroom sets\u003c\/li\u003e \u003cli\u003eSensor projects with I2C modules such as displays or environmental sensors\u003c\/li\u003e \u003cli\u003eFirst robotics and control projects\u003c\/li\u003e \u003cli\u003eMusic and sound projects via the audio output on P0\u003c\/li\u003e \u003cli\u003ePrototyping without soldering or a breadboard\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eConnection overview according to the board labeling\u003c\/h3\u003e \u003ctable style=\"width: 100%; border-collapse: collapse; margin: 0 0 16px 0;\"\u003e \u003cthead\u003e \u003ctr\u003e\n\u003cth style=\"background: #478a84; color: #ffffff; text-align: left; padding: 10px; border: 1px solid #dddddd;\"\u003eSlot\u003c\/th\u003e\n\u003cth style=\"background: #478a84; color: #ffffff; text-align: left; padding: 10px; border: 1px solid #dddddd;\"\u003eQuantity\u003c\/th\u003e\n\u003cth style=\"background: #478a84; color: #ffffff; text-align: left; padding: 10px; border: 1px solid #dddddd;\"\u003ePinout\u003c\/th\u003e\n\u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eYellow, 4-pin\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e6\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eP13 P14 GND 3v3 \/ P8 P12 GND VCC \/ P0 P1 P2 GND \/ P20 P19 GND 3v3 \/ P20 P19 GND VCC \/ VCC P15 P16 GND\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eBlue, 3-pin\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e6\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3v3 GND P0 \/ 3v3 GND P1 \/ 3v3 GND P2 \/ 3v3 GND P8 \/ 3v3 GND P16 \/ VCC GND P2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eRed, 2-pin\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e5\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eP0 GND \/ P1 GND \/ P2 GND \/ P5 GND \/ P11 GND\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3.5 mm audio jack\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e1\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAudio output on P0\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMicro-USB socket\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e1\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003ePower supply\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eJumper\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e1\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eVCC voltage selection: 5 V or 3.3 V\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp style=\"margin: 0; font-size: 13px; color: #555555; line-height: 1.6;\"\u003eOn the micro:bit, P19 and P20 are the I2C lines, while P13, P14 and P15 are the SPI lines. P0, P1 and P2 can be read as analog inputs.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv style=\"background: #ffffff; border: 1px solid #e5e5e5; border-radius: 8px; padding: 18px; margin: 0 0 18px 0; box-sizing: border-box;\"\u003e \u003ch3 style=\"margin: 0 0 12px 0; font-size: 18px;\"\u003eTechnical data\u003c\/h3\u003e \u003ctable style=\"width: 100%; border-collapse: collapse; margin: 0;\"\u003e \u003cthead\u003e \u003ctr\u003e\n\u003cth style=\"background: #478a84; color: #ffffff; text-align: left; padding: 10px; border: 1px solid #dddddd;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"background: #478a84; color: #ffffff; text-align: left; padding: 10px; border: 1px solid #dddddd;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eModel designation on the board\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eLY-Mbit-E2 V1.0\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eConnection to the controller\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eEdge connector for BBC micro:bit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCompatibility\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eBBC micro:bit V1 and V2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003ePower supply\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMicro-USB socket\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eVCC voltage selection\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eJumper, 5 V or 3.3 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003ePlug-in connectors\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e6x 4-pin, 6x 3-pin, 5x 2-pin\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAudio output\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e3.5 mm audio jack connected to P0\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eDimensions (L x W x H)\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e60 x 60 x 14 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMounting\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e4 mounting holes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eProgramming\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMicrosoft MakeCode and MicroPython via the micro:bit\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66042602291549,"sku":"F25111156","price":100.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/3671-F25111156_01.png?v=1791497961"},{"product_id":"sbc-can01-entwickler-platine","title":"SBC-CAN01 CAN bus module MCP2515 - SPI, 1 Mbit\/s","description":"\u003cp\u003eThis CAN bus module allows you to easily add a CAN interface to Arduino, Raspberry Pi, and many other microcontrollers. The module is based on the proven MCP2515 CAN controller and communicates with the connected microcontroller via the SPI interface. It supports the CAN V2.0B standard and enables transmission speeds of up to 1 Mbit\/s.\u003c\/p\u003e \u003cp\u003eThis makes the module ideal for your own projects involving automotive technology, automation, robotics, machine communication, and networked microcontroller systems. Multiple devices can be connected via CANH and CANL to form a robust communication network.\u003c\/p\u003e \u003cp\u003eA practical screw terminal for CANH and CANL, as well as additional pins, are available for connecting to the CAN bus. A 120 Ohm terminating resistor is already integrated on the board and can be enabled or disabled as required.\u003c\/p\u003e \u003cp\u003eThanks to the SPI connection, the module can be used with numerous development boards. In addition to Arduino and Raspberry Pi, it can also be used with many other microcontrollers. This makes the CAN module suitable both for initial experiments with the CAN bus and for more extensive electronics projects.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003eCAN bus module for microcontrollers and single-board computers\u003cbr\u003eCAN controller: MCP2515\u003cbr\u003eCAN specification: CAN V2.0B\u003cbr\u003eCommunication with the microcontroller via SPI\u003cbr\u003eData rate up to 1 Mbit\/s\u003cbr\u003e120 Ohm terminating resistor integrated\u003cbr\u003eTerminating resistor can be enabled or disabled\u003cbr\u003eCANH and CANL accessible via screw terminal\u003cbr\u003eCompatible with Arduino, Raspberry Pi, and many other microcontrollers\u003cbr\u003eIdeal for automotive, robotics, and automation projects\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cstrong\u003eTechnical data\u003c\/strong\u003e\u003cbr\u003eProperty Value\u003cbr\u003eModel SBC-CAN01\u003cbr\u003eCAN controller MCP2515\u003cbr\u003eCAN specification CAN V2.0B\u003cbr\u003eInterfaces SPI, CAN\u003cbr\u003eMaximum data rate 1 Mbit\/s\u003cbr\u003eOscillator 16 MHz\u003cbr\u003eTerminating resistor 120 Ohm\u003cbr\u003eInput voltage 5 V\u003cbr\u003eCurrent consumption approx. 5 mA\u003cbr\u003eStandby current approx. 1 µA\u003cbr\u003eOperating temperature -40 to +85 °C\u003cbr\u003eDimensions approx. 44 x 34 x 14 mm\u003cbr\u003eWeight approx. 8 g\u003cbr\u003eDesignation SBC-CAN01\u003c\/p\u003e \u003cp\u003eScope of delivery\u003cbr\u003e1x  SBC-CAN01 CAN bus module MCP2515 for Arduino \u0026amp; Raspberry Pi\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66042699645277,"sku":"F25111204","price":100.0,"currency_code":"EUR","in_stock":true}]},{"product_id":"gpio-erweiterungsmodul-fur-raspberry-pi-3-u-type-blau","title":"GPIO expansion module U-Type - 40-pin, blue, for Raspberry Pi","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGPIO expansion module for single-board computers with a 40-pin connector\u003c\/li\u003e \u003cli\u003eDoubles the usable connections through two separate pin headers\u003c\/li\u003e \u003cli\u003eEnables parallel control of multiple sensors and actuators\u003c\/li\u003e \u003cli\u003eIntegrated protection diodes on every output\u003c\/li\u003e \u003cli\u003eHigh-quality ribbon cables included\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe module expands the GPIO interface of single-board computers with a 40-pin connector by providing additional access to digital inputs and outputs. It doubles the number of pins that can be used in parallel by splitting the host board’s signals across two physically separate pin headers. This makes it possible to build circuits with multiple sensors and actuators without directly loading the main board’s pins.\u003c\/p\u003e \u003cp\u003eThe pin headers are compatible with standard breadboards and plug-in modules in terms of pitch and labeling. The module connects to the host board via a ribbon cable and requires no separate power supply, as it only passes through all signals. Each output features a protection diode that protects against reverse voltages and stabilizes transitions.\u003c\/p\u003e \u003cp\u003eTypical applications include test setups with multiple environmental sensors that are queried simultaneously, as well as the parallel control of motors and LEDs. The module also serves as an intermediate layer in prototype projects when a design outgrows the functionality of a single pin header.\u003c\/p\u003e \u003cp\u003eThe host board’s power supply is sufficient for operation. The included cable with two ribbon cable connectors allows for various routing options. The module may only be used with single-board computers that have a compatible 40-pin GPIO connector.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes, not for operation in critical systems or connection to the mains power supply. Work on or near electrical installations must be carried out by qualified electricians; if you are unsure, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cp\u003eincluded\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66042922926429,"sku":"F23108407","price":4.22,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/4554-F23108407_01.png?v=1791482809"},{"product_id":"usb-zu-tll-hub-adapter-fur-raspberry-pi-zero","title":"USB to TTL hub adapter - 4 channels, 3.3 V, for Raspberry Pi Zero","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUSB-to-TTL adapter for serial communication with Raspberry Pi Zero\u003c\/li\u003e \u003cli\u003e4 independent channels with 3.3 V logic each\u003c\/li\u003e \u003cli\u003ePower supply via USB, no external power supply required\u003c\/li\u003e \u003cli\u003eGalvanic isolation between computer and target devices\u003c\/li\u003e \u003cli\u003eProtection circuitry against overvoltage and electrostatic discharge\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe adapter connects up to four devices or sensor modules to a Raspberry Pi Zero via USB when their interfaces need to be addressed as serial ports from a single computer. The module converts the USB voltage into four independent TTL channels, each operating at 3.3 V, without requiring an additional power supply.\u003c\/p\u003e \u003cp\u003eEach channel operates independently of the others, so faults on one connection do not affect the remaining channels. Galvanic isolation protects the host system from voltage spikes flowing back into it. This allows several modules with different baud rates and protocols to be operated in parallel, for example to troubleshoot multiple sensors simultaneously or read debug output from various microcontroller boards.\u003c\/p\u003e \u003cp\u003eTypical scenarios include the serial diagnosis of multiple devices in a prototype setup, parallel data collection from different measuring stations, or operating several wireless and communication modules on a single computer. The adapter also provides a reliable connection as a development tool for embedded systems that operate without a graphical interface.\u003c\/p\u003e \u003cp\u003eThe adapter requires a USB port with an operating system capable of emulating a serial COM port. On the target system, the corresponding interfaces of the Raspberry Pi Zero, such as UART pins, must be available. If the current consumption exceeds 500 mA per channel or connections to high-frequency modules are unstable, a separate power supply for the target devices may be necessary.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe adapter is intended exclusively for prototyping, testing, and development purposes and must not be connected to the household power circuit. The connections operate with logic-level voltages; connections to devices with higher voltages require level shifters, otherwise damage may occur. Work on or near electrical installations is reserved for qualified electricians; if you are unsure about commissioning the device, consult a qualified electrician.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66042932724061,"sku":"F23108468","price":15.65,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/4566-F23108468_01.png?v=1791482828"},{"product_id":"quad-gpio-expander-fur-raspberry-pi-pico-4x-male-headers-usb-power-connector","title":"Quad GPIO Expander for Raspberry Pi Pico - 4x Pin Headers, USB Port","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGPIO expansion module with four additional connections for Raspberry Pi Pico\u003c\/li\u003e \u003cli\u003eConnector with 4x male headers\u003c\/li\u003e \u003cli\u003eEnables simultaneous control of multiple components\u003c\/li\u003e \u003cli\u003eCompact design, stackable directly on the Pico\u003c\/li\u003e \u003cli\u003eSimplifies wiring for more complex projects\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe GPIO expander adds four additional digital inputs and outputs to a Raspberry Pi Pico. The module connects directly to the board's existing GPIO pins and provides them via male connectors, simplifying the simultaneous use of multiple components.\u003c\/p\u003e \u003cp\u003eThanks to its stacking capability, the module can be mounted directly on the Pico. The male connectors allow sensors, LEDs, relays, or other digital components to be connected without additional wiring components. If required, multiple expanders can be combined to further increase the number of available outputs.\u003c\/p\u003e \u003cp\u003eTypical applications include prototypes with multiple LED controls, control circuits with several relays, and sensor arrays limited to a small number of available GPIO pins. One specific example would be an alarm system with separate signal lights and outputs for different trigger channels.\u003c\/p\u003e \u003cp\u003eOperation requires an unused GPIO area on the Raspberry Pi Pico. A separate power supply is generally not required, as the GPIO logic is provided by the Pico. The load capacity per output is limited by the Pico's specifications, so power-hungry components must be controlled via transistor drivers.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes. When wiring components with higher power consumption, ensure that the Raspberry Pi Pico's maximum output load is not exceeded. If anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Quad GPIO Expander for Raspberry Pi Pico, 4x Male Headers, USB-Power-Connector\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66042950877533,"sku":"F23107377","price":16.07,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/quad-gpio-expander-fuer-raspberry-pi-pico-4x-male-headers-usb-power-connector-funduino-2629534.png?v=1791486921"},{"product_id":"usb-zu-rs232-rs485-converter","title":"USB converter RS232 and RS485 - galvanically isolated, up to 921.600 bit\/s","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eConverts USB to RS232 and RS485 interfaces\u003c\/li\u003e \u003cli\u003eEnables communication with serial devices on modern computers\u003c\/li\u003e \u003cli\u003eSupports data rates of up to 921,600 bit\/s\u003c\/li\u003e \u003cli\u003eGalvanic isolation through optical isolation\u003c\/li\u003e \u003cli\u003eSwitchable between RS232 and RS485 operation\u003c\/li\u003e \u003cli\u003e5 V operating voltage via USB connection\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis converter bridges the missing serial interface on modern computers by converting USB signals into RS232 or RS485 levels. Devices such as industrial controllers, older measuring instruments, or data loggers that only have these classic interfaces can thus be connected to PCs or laptops.\u003c\/p\u003e \u003cp\u003eThe module uses optical isolation to provide galvanic separation between the USB side and the serial interface. This protects the computer from voltage spikes and interference from connected devices. Depending on the mode, the data rate is up to 921,600 bit\/s, which is also sufficient for fast data streams.\u003c\/p\u003e \u003cp\u003eTypical applications include controlling frequency converters and motor controllers in industrial applications, communicating with older laboratory equipment, and maintaining and configuring network switches and routers via their console interfaces. The converter also enables modern computers to operate CNC machines or printers with serial control.\u003c\/p\u003e \u003cp\u003eThe switch between RS232 and RS485 is located directly on the module, so no software configuration is required. Power is supplied via the USB connection, eliminating the need for a separate power supply. Devices on the serial interface side must be designed for 3.3 V or 5 V logic; the converter is not suitable for other voltage ranges.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is not intended for connection to domestic installations or power supply systems. It is intended exclusively for building prototypes and for testing and development purposes. Work on or near existing serial installations in industrial environments must be carried out by qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x USB to RS232\/485 Converter\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66042956054877,"sku":"F23105778","price":15.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/usb-zu-rs232-rs485-converter-funduino-8031374.png?v=1791487192"},{"product_id":"grovepi-raspberry-pi-erweiterungsplatine","title":"GrovePi+ expansion board - 15 Grove ports for Raspberry Pi","description":"\u003ch2\u003eGrovePi+ \u003cspan\u003e–\u003c\/span\u003e Raspberry Pi expansion board\u003c\/h2\u003e \u003cp\u003eGrovePi+ is an expansion board with 15 4-pin Grove interfaces that brings Grove sensors to the Raspberry Pi. It is the latest version, compatible with Raspberry Pi Model B\/B+\/A+\/2\/3\/4. \u003c\/p\u003e \u003cp\u003eThis board enables the user-friendly and modular Grove system for the Raspberry Pi, eliminating the need for soldering or breadboards: connect your Grove sensors and start programming immediately. Grove is a user-friendly collection of hundreds of affordable plug-and-play modules that sense and control the physical world. Connecting Grove sensors to the Raspberry Pi brings your Pi into the physical world. With hundreds of sensors from the Grove families, the possibilities for interaction are endless. \u003c\/p\u003e \u003cp\u003eThere are three mounting holes that fit all versions of the Raspberry Pi perfectly. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Raspberry Pi board not included.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCompatible with many development boards: Including Raspberry Pi Model B\/B+\/A+\/2\/3\/4\u003c\/li\u003e \u003cli\u003eFaster SPI and UART connections with higher reliability\u003c\/li\u003e \u003cli\u003eEasier installation of camera cables and LCD cables\u003c\/li\u003e \u003cli\u003eSimplified firmware update procedures\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch3\u003eGrove expansion for Raspberry Pi: Grove Base Hat vs. GrovePi+\u003c\/h3\u003e \u003ctable style=\"height: 583px; width: 793px;\" border=\"1\"\u003e \u003ctbody\u003e \u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eParameters\u003c\/th\u003e\n\u003cth style=\"text-align: center;\"\u003eGrove Base Hat for Raspberry Pi\u003c\/th\u003e\n\u003cth style=\"text-align: center;\"\u003eGrovePi+\u003c\/th\u003e\n\u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating voltage\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003e3.3 V\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003e5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMCU\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eSTM32F030F4P6\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eATMEGA328P\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGrove ports\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003e6 Digital (3.3 V) 4 Analog (3.3 V) 3 I2C (3.3 V) 1 PWM (3.3 V) 1 RPISER (UART) connection to Raspberry Pi (3.3 V) 1 SWD\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003e7 Digital (5 V) 3 Analog (5 V) 3 I2C (5 V) 1 SERIAL: Connection to ATMEGA328P D0\/1 (5 V) 1 RPISER: Connection to Raspberry Pi (3.3 V) 1 ISP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGrove-Digital\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eDirect connection to the Raspberry Pi\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eConnect to the digital pins of the ATMEGA328P and transfer to the I2C signal, then via the level shifter to the Raspberry Pi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGrove-Analog\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eConnect to STM32F030F4P6 (12-bit ADC), then transfer to the I2C signal and route it directly to the Raspberry Pi\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eConnect to the analog pins of the ATMEGA328P (10-bit ADC), then transfer to the I2C signal and then via the level shifter to the Raspberry Pi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGrove-I2C\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eDirect connection to the Raspberry Pi\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eConnect to the Raspberry Pi via the level shifter\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGrove-PWM\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eDirect connection to the Raspberry Pi\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eN \/ A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRPISER\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eDirect connection to the Raspberry Pi\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eDirect connection to the Raspberry Pi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSERIAL\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eN \/ A\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eConnect to the digital pins D0\/D1 of the ATMEGA328P and transfer to the I2C signal, then via the level shifter to the Raspberry Pi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSWD\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eBurn the firmware to STM32F030F4P6\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eN \/ A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eISP\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eN \/ A\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003eBurn firmware to ATMEGA328P\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRaspberry Pi connection pins\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003e40\u003c\/td\u003e \u003ctd style=\"text-align: center;\"\u003e26\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDimensions: 88mm x 58mm x 23mm\u003c\/li\u003e \u003cli\u003eWeight: 51g\u003c\/li\u003e \u003cli\u003eGrove header Vcc output voltage: 5Vdc\u003c\/li\u003e \u003cli\u003eDigital connections: 7\u003c\/li\u003e \u003cli\u003eAnalog ports: 3\u003c\/li\u003e \u003cli\u003eI2C ports: 3\u003c\/li\u003e \u003cli\u003eSerial interface for connection to GrovePi: 1\u003c\/li\u003e \u003cli\u003eSerial interface for connection to Raspberry Pi: 1\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eBill of materials\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e1x GrovePi+ - Raspberry Pi expansion board\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003e\u003cspan\u003eRaspberry Pi and Grove cable not included!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Seeedstudio","offers":[{"title":"Default Title","offer_id":66043327775069,"sku":"F23109313","price":42.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/grovepi-raspberry-pi-erweiterungsplatine-funduino-3296086.jpg?v=1791484312"},{"product_id":"gpio-adapter-fur-micro-bit-mikrocontroller-mit-gebogenen-pins","title":"GPIO Adapter for micro:bit - 19 pins, screw terminals, angled","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGPIO adapter for Micro Bit microcontrollers\u003c\/li\u003e \u003cli\u003eWith screw terminals for wired connections\u003c\/li\u003e \u003cli\u003eAccess to all 19 GPIO pins\u003c\/li\u003e \u003cli\u003eSecure connections without soldering\u003c\/li\u003e \u003cli\u003eCompatible with common sensors and actuators\u003c\/li\u003e \u003cli\u003eCircuit board with mounting holes\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis GPIO adapter expands the connection options of the Micro Bit by providing a convenient alternative to plugging components in directly. The adapter accesses all 19 available GPIO pins and routes them to screw terminals, where sensors, actuators, and other modules can be connected using stripped wires.\u003c\/p\u003e \u003cp\u003eMaintaining durability without soldering means that circuits can be rebuilt multiple times without damaging the components. Screw terminals reliably secure the connections even during regular reconfiguration. This mechanical connection method is particularly suitable for educational applications and development phases in which circuits are frequently modified.\u003c\/p\u003e \u003cp\u003eFor prototyping, all available pins can be accessed simultaneously, simplifying experimental setups with multiple sensors. Connecting simple switches, LEDs, or motor controllers via external driver components also reduces potential sources of error to the screw connection. The circuit board itself measures less than 10 * 10 cm and takes up minimal space.\u003c\/p\u003e \u003cp\u003eThe Micro Bit itself is required for operation and the adapter is plugged into it. When connecting sensors with special requirements, such as I2C or serial interfaces, you must ensure that the required signal protocol is provided through the GPIO pins. Actuators are powered either by the Micro Bit or by separate external sources, depending on their power requirements.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eWhen connecting components, ensure correct polarity to prevent damage. The adapter is intended exclusively for prototyping as well as testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eBBC Micro:Bit Shield - GPIO Adapter with bent pins\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66043736785245,"sku":"F23109094","price":13.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-adapter-fuer-microbit-mikrocontroller-mit-gebogenen-pins-funduino-6274399.png?v=1791484042"},{"product_id":"gpio-erweiterungsmodul-fur-raspberry-pi-3-u-type-rot","title":"GPIO expansion module U-Type - 40 pins for Raspberry Pi 3, red","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion module with 40 GPIO pins for Raspberry Pi 3, Model U Type\u003c\/li\u003e \u003cli\u003eConnector information and pin layout printed on the board\u003c\/li\u003e \u003cli\u003eSecure contact through gold-plated contacts\u003c\/li\u003e \u003cli\u003eBreaker board design for easy prototype wiring\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe GPIO expansion module expands the interface options of a Raspberry Pi 3 Model U Type with additional parallel connections. It is plugged into the single-board computer's 40-pin header and makes all pins accessible in parallel through separate connector rows.\u003c\/p\u003e \u003cp\u003eAll 40 pins are available on the board in two adjacent rows. The labeling directly on the board shows the numbers and functions, preventing errors when assembling circuits and eliminating the need to consult the datasheet. The gold-plated contacts ensure secure and durable connections to external components.\u003c\/p\u003e \u003cp\u003eTypical applications include building sensor circuits with multiple components, flexible wiring of relays and small actuators, and prototype development involving frequent rewiring. The module can also be used for educational purposes when several students need to access different pins simultaneously.\u003c\/p\u003e \u003cp\u003eOperation requires a Raspberry Pi 3 with a 40-pin GPIO header. The power supply and logic levels come entirely from the host board; no additional power supply is required. The module is not soldered to the Raspberry Pi; it is simply plugged in and held in place by friction contacts.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for building prototypes and for testing and development purposes. Working with connected electronic components requires basic knowledge of circuit technology; if anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66043898823005,"sku":"F23108643","price":3.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-erweiterungsmodul-fuer-raspberry-pi-3-u-type-rot-funduino-9216778.png?v=1791486396"},{"product_id":"spannungsumkehrmodul-lmc7660-positiv-zu-negativ","title":"LMC7660 Voltage Inverter Module - 1.5-10 V, up to -5 V, DIP-8","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eConverts positive supply voltage into negative voltage\u003c\/li\u003e \u003cli\u003eOutput voltage up to -5 V\u003c\/li\u003e \u003cli\u003eMaximum output current approximately 40 mA\u003c\/li\u003e \u003cli\u003eOperating voltage 1.5 V to 10 V\u003c\/li\u003e \u003cli\u003eIntegrated oscillator, external clock input optional\u003c\/li\u003e \u003cli\u003eDIP-8 package for breadboards and etched circuit boards\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe voltage inverter module generates an output voltage with the opposite polarity from a positive input voltage. This is necessary when a circuit requires both positive and negative supply voltages, for example to drive audio amplifiers or operational amplifiers in a symmetrical configuration. The device operates according to the switched-frequency converter principle and uses a charge pump for voltage conversion.\u003c\/p\u003e \u003cp\u003eThe output voltage takes the negative value of the input voltage, up to a maximum of -5 V at an output current of approximately 40 mA. The module is not sufficient for higher current loads; in that case, external circuitry or a separate voltage converter is required. The internal clock generator operates at approximately 10 kHz, but can be replaced by an external clock signal if a specific switching frequency is required.\u003c\/p\u003e \u003cp\u003eThe module is used in sensor circuits with operational amplifiers that operate around a symmetrical operating point, as well as in audio preamplifiers with low output voltages. Inverting a supply voltage is also common for generating reference voltages in instrumentation amplifiers or for driving comparators with asymmetrical input and output limits. In battery-powered portable measuring devices, the module enables the use of standard ICs that do not function without a dual supply.\u003c\/p\u003e \u003cp\u003eOperation requires a stable input voltage between 1.5 V and 10 V; conversion does not work below 1.5 V or above 10 V. With continuous currents above 40 mA, the output voltage drops noticeably. The module requires a 10-µF capacitor at the input and output for stabilization; these are not included and must be purchased separately.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if you are unsure about the power supply, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cp\u003eincluded and must be purchased separately.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044013347165,"sku":"F23107622","price":3.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/spannungsumkehrmodul-lmc7660-positiv-zu-negativ-funduino-3342413.png?v=1791488378"},{"product_id":"gpio-adapter-fur-micro-bit-mikrocontroller-mit-geraden-pins-90","title":"GPIO adapter for micro:bit - 19-pin, straight pins","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGPIO adapter for Micro:Bit microcontrollers\u003c\/li\u003e \u003cli\u003eEnables external electronics to be connected to the Micro:Bit\u003c\/li\u003e \u003cli\u003e19-pin edge connector for the board\u003c\/li\u003e \u003cli\u003eCompatible with standard jumper wires and connectors\u003c\/li\u003e \u003cli\u003eIndividual GPIO pins accessible separately\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe GPIO adapter provides access to the Micro:Bit microcontroller's connector headers for external circuit development. The adapter connects the Micro:Bit's 19-pin edge connector to individually accessible GPIO pins, allowing sensors, LEDs, motors, and other electronic components to be connected using standard jumper wires.\u003c\/p\u003e \u003cp\u003eEach Micro:Bit pin is made available on the adapter as a separate connection point. This allows circuits to be built outside the board without damaging the Micro:Bit board itself or soldering contacts. No calibration or software adjustments are required.\u003c\/p\u003e \u003cp\u003eTypical projects include robotics kits with powered wheels and sensors, data loggers with external probes, or interactive installations controlled by the Micro:Bit. The adapter is particularly suitable for school projects and prototyping, as it enables quick experimental setups.\u003c\/p\u003e \u003cp\u003eThe adapter plugs directly into the Micro:Bit's edge connector. Only standard jumper wires or other common connection means are required for operation. The Micro:Bit's power supply must be provided separately.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe adapter is intended exclusively for building prototypes and for testing and development purposes. External power supplies must be used when connecting components with higher current consumption. Not intended for installation in household mains circuits; work on or near electrical installations must be carried out by qualified electricians.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eBBC Micro:Bit Shield - GPIO Adapter with straight pins (90°)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044193767773,"sku":"F23108944","price":13.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-adapter-fuer-microbit-mikrocontroller-mit-geraden-pins-90-funduino-6555305.png?v=1791488847"},{"product_id":"3-3v-i2c-analog-zu-digitalwandler-fur-raspberry-pi-3-2-und-b","title":"I2C analog-to-digital converter - 16-bit, 4 channels, 3.3 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAnalog-to-digital converter (ADC) with I2C interface for 3.3 V systems\u003c\/li\u003e \u003cli\u003eConverts analog input voltages into digital values\u003c\/li\u003e \u003cli\u003e16-bit resolution\u003c\/li\u003e \u003cli\u003eFour independent measurement inputs\u003c\/li\u003e \u003cli\u003eDirect connection to single-board computers such as the Raspberry Pi without a level shifter\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe analog-to-digital converter adds the ability to process analog voltage signals to single-board computers. While the Raspberry Pi and similar systems only have digital inputs, this I2C-based converter enables the acquisition of sensor signals, voltage levels, or other analog measurement values, which can then be evaluated by the computer.\u003c\/p\u003e \u003cp\u003eThe module uses I2C for communication, so only two lines (data signal and clock) are required for connection. The 16-bit resolution enables precise measurements across the entire input voltage range from 0 to 3.3 V. Up to four analog sources can be connected simultaneously, saving space and simplifying wiring.\u003c\/p\u003e \u003cp\u003eTypical applications include capturing light sensor values for brightness detection, measuring potentiometer or humidity sensor outputs, and monitoring battery voltages. Audio level values or rapidly changing measurement signals can also be evaluated. Multiple modules can be operated on one bus using different I2C addresses to increase the number of measurement inputs.\u003c\/p\u003e \u003cp\u003eThe 3.3 V operating voltage corresponds to the standard used by the Raspberry Pi and other modern single-board computers, so a level shifter is not required. An I2C library and example code for the target platform should be available. The ADC requires a stable power supply; interference in the power supply will reduce measurement accuracy.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eInput voltages above 3.3 V will damage the module. Measurement signals must be within the permitted range or adjusted using external voltage dividers. The device is intended exclusively for building prototypes and for testing and development purposes, and is not suitable for installation in household electrical systems. If you have questions about integration into existing systems, consult a qualified electrician.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044528918877,"sku":"F23108694","price":13.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/33v-i2c-analog-zu-digitalwandler-fuer-raspberry-pi-3-2-und-b-funduino-2013182.png?v=1791488095"},{"product_id":"dfrobot-erweiterungskarte-fur-micro-bit-gravity-kompatibel","title":"DFRobot expansion board for micro:bit - Gravity, 4 connectors","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board for Micro:Bit with Gravity connectors\u003c\/li\u003e \u003cli\u003eI2C bus and digital\/analog inputs and outputs\u003c\/li\u003e \u003cli\u003eSlots for up to 4 sensors or actuators\u003c\/li\u003e \u003cli\u003e3.3 V operating voltage\u003c\/li\u003e \u003cli\u003eDirect use with Micro:Bit without an external power supply\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis expansion board connects a Micro:Bit to sensors and actuators via standardized Gravity connectors. The board breaks out the pins of the microcontroller board and provides four interfaces, two of which are I2C buses, while two support analog or digital pins. This allows a single Micro:Bit to operate several modules simultaneously.\u003c\/p\u003e \u003cp\u003eThe I2C bus allows multiple sensors to be connected to the same two pins, saving the available lines. Digital inputs detect switching states, while analog inputs measure voltages between 0 and 3.3 V. The Gravity connectors are keyed and redundant-free, preventing incorrect connections. Power is supplied via the Micro:Bit battery or a USB connection; an additional external power source is not required.\u003c\/p\u003e \u003cp\u003eTypical applications include environmental measurements with multiple sensors in school projects, robot control systems with combined inputs and outputs, and data loggers that record temperature, humidity, and light values in parallel. Actuators such as motors or LEDs can also be controlled. The board is particularly suitable for scenarios where a compact system is to be created without soldering.\u003c\/p\u003e \u003cp\u003eA Micro:Bit (version 1 or 2), the appropriate firmware, and a compatible development environment such as MakeCode or MicroPython are required. The Gravity modules used must operate at 3.3 V. Differences in voltage or connector pin assignments from other manufacturers then require a separate level shifter or adapter.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe board is intended exclusively for building prototypes and for testing and development purposes. It is not suitable for installation in household mains circuits. A qualified electrician is required for work on or near electrical installations. If anything is unclear before commissioning, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x DFRobot expansion board for Micro:Bit - Gravity compatible\u003c\/li\u003e \u003c\/ul\u003e","brand":"Default manufacturer","offers":[{"title":"Default Title","offer_id":66044535013725,"sku":"F23106682","price":9.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/dfrobot-erweiterungskarte-fuer-microbit-gravity-kompatibel-funduino-7964912.png?v=1791487400"},{"product_id":"raspberry-pi-erweiterungsboard-mit-7-segment-led","title":"7-segment expansion board - 4 digits, for Raspberry Pi","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board for single-board computers with 7-segment display\u003c\/li\u003e \u003cli\u003eDisplays four digits, with a total of 28 individual LED segments\u003c\/li\u003e \u003cli\u003ePlugs directly onto the board's GPIO pins\u003c\/li\u003e \u003cli\u003eDisplays decimal numbers, the time, and measured values\u003c\/li\u003e \u003cli\u003eSupports simple parallel or multiplexed control\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis board expands a common single-board computer with a four-digit display based on 7-segment LEDs. Each digit consists of seven individual LED segments that light up red or green, depending on the module design. The display plugs directly onto the GPIO pins and requires no additional power supply, as it draws its power from the main board.\u003c\/p\u003e \u003cp\u003eControl is typically carried out via four or eight data lines plus a few control signals. In multiplexed operation, the main board controls the four digits in sequence, thereby saving connections. In parallel operation, each digit is controlled individually and remains constantly illuminated, but this uses more GPIO pins. Both methods require simple digital outputs and can be implemented quickly in common programming environments.\u003c\/p\u003e \u003cp\u003eTypical applications include digital temperature displays that continuously show the measured values from a connected sensor, or miniature clocks for projects with time-controlled functions. The board can also be used as a counter for events or as a display output for smart home scenarios. It is also suitable for providing visual feedback during measurements or control tasks when information must be captured quickly.\u003c\/p\u003e \u003cp\u003eOperation requires a compatible GPIO pin header. Some boards use the same pins for multiple functions, so the pinout should be checked against the hardware datasheet before connecting the board. Power consumption remains low as long as all 28 segments are not lit simultaneously, which does not occur with properly written software.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe board is intended exclusively for building prototypes and for testing and development purposes. It is not suitable for installation in the household power circuit. If there is any uncertainty regarding the pinout or power supply, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044538159453,"sku":"F23108469","price":25.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/raspberry-pi-erweiterungsboard-mit-7-segment-led-funduino-1441971.png?v=1791488086"},{"product_id":"gpio-erweiterungsboard-v3-0-fur-raspberry-pi","title":"GPIO expansion board V3.0 for Raspberry Pi - 16 outputs, I2C","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGPIO expansion board for the Raspberry Pi with a 40-pin connector\u003c\/li\u003e \u003cli\u003eUp to 16 outputs can be controlled via shift registers\u003c\/li\u003e \u003cli\u003eIntegrated LED drivers for up to 20 mA load current per output\u003c\/li\u003e \u003cli\u003eI2C interface for serial data transmission\u003c\/li\u003e \u003cli\u003eOnboard pull-up resistors for stable signal levels\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe GPIO expansion board expands the Raspberry Pi's output capabilities with additional digital connections when the existing 27 GPIOs are insufficient. Instead of wiring each output individually, an integrated shift register combines 16 outputs and controls them via the I2C interface, significantly reducing the amount of wiring and the number of GPIO pins required.\u003c\/p\u003e \u003cp\u003eThe board communicates with the Raspberry Pi via two signal lines, regardless of how many outputs are controlled. Each output provides up to 20 mA of load current, making it suitable for directly controlling LEDs, optical sensors, or logic inputs of other components. The onboard pull-up resistors stabilize the signals and eliminate external circuitry that could be susceptible to interference.\u003c\/p\u003e \u003cp\u003eThe expansion board is ideal for projects with display panels consisting of multiple LEDs, control setups with many discrete actuators, or as a central hub for switching logic that manages several devices in parallel. Such boards are also typically used when troubleshooting individual lines is time-critical and central shift registers help keep the wiring organized.\u003c\/p\u003e \u003cp\u003eThe Raspberry Pi requires the appropriate driver support for I2C communication, which is included in the standard installation. The board plugs into the Raspberry Pi's 40-pin GPIO header and requires no additional power supply, as it is powered by the GPIO voltage.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe expansion board is intended exclusively for building prototypes and for testing and development purposes; it is not suitable for installation in household mains circuits. Observe the maximum load current limit of 20 mA per output to prevent damage. If you are unsure about integrating the board into the software environment, consult a qualified electrician or technical support.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044560408925,"sku":"F23108401","price":2.06,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-erweiterungsboard-v30-fuer-raspberry-pi-funduino-4476637.png?v=1791487502"},{"product_id":"2-kanal-rs485-can-erweiterungs-shield-fur-raspberry-pi-dual-chip-losung","title":"RS485 CAN Shield for Raspberry Pi - 2-channel, galvanically isolated","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion module with two RS485 and CAN interfaces for single-board computers\u003c\/li\u003e \u003cli\u003eStackable on standard headers, allowing multiple modules to be used\u003c\/li\u003e \u003cli\u003eRS485 for point-to-multipoint communication over distances of up to approximately 1200 m\u003c\/li\u003e \u003cli\u003eCAN for vehicle networks and industrial automation\u003c\/li\u003e \u003cli\u003eGalvanic isolation of the interfaces reduces interference\u003c\/li\u003e \u003cli\u003eIntegrated termination resistors for CAN can be switched on\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis expansion module adds two industrial interfaces, RS485 and CAN, to a single-board computer. Instead of proprietary connections, it enables networks based on established standards that communicate reliably over longer distances and in electrically noisy environments. The module plugs into the standard pin headers and can be stacked multiple times.\u003c\/p\u003e \u003cp\u003eRS485 is suitable for communication between up to 32 devices over a shared line, while CAN is designed for systems that require bandwidth and determinism. Galvanic isolation of both channels from the host protects the computer from voltage spikes on the connected lines. CAN termination can be enabled as needed using a jumper to dampen reflections at the end of the line.\u003c\/p\u003e \u003cp\u003eTypical applications include sensor and actuator networks in building automation, where multiple temperature or light sensors send their readings to a central unit via RS485, or vehicle-based data loggers that read vehicle network information via CAN. The module can also function as a gateway between a local measurement bus and a cloud connection if the computer is programmed accordingly.\u003c\/p\u003e \u003cp\u003eThe GPIO pins of the single-board computer must be available for a driver or kernel module. Connections to RS485 and CAN are made via screw terminals; external wiring must be planned separately. Cables for field devices are not included.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians. If you are unsure about the correct configuration or safe operation in a specific environment, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cp\u003e.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044682305885,"sku":"F23109140","price":28.61,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/2-kanal-rs485-can-erweiterungs-shield-fuer-raspberry-pi-dual-chip-loesung-funduino-5413052.png?v=1791487573"},{"product_id":"2-kanal-rs485-erweiterungs-shield-fur-raspberry-pi","title":"2-Channel RS485 Shield - galvanically isolated, for Raspberry Pi","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRS485 expansion module for single-board computers with two independent channels\u003c\/li\u003e \u003cli\u003eRS485 interface per channel, up to 32 devices each\u003c\/li\u003e \u003cli\u003ePlug-in module for a 40-pin GPIO header, no soldering required\u003c\/li\u003e \u003cli\u003ePower supplied via the host board, galvanic isolation per channel\u003c\/li\u003e \u003cli\u003eTerminal block connections for signal lines\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe RS485 expansion module adds two independent serial interfaces for RS485 data transmission to a single-board computer. It plugs directly onto the 40-pin GPIO header and requires no additional wiring to the host board.\u003c\/p\u003e \u003cp\u003eEach channel provides galvanic isolation between the host board's logic level and the RS485 signals, increasing noise immunity when operating over longer cables. Up to 32 devices can be connected per channel, typically using twisted-pair cables with 120-ohm termination resistors at both ends of the bus line. The module draws its power from the host board, so a separate power supply is not required.\u003c\/p\u003e \u003cp\u003eApplications include decentralized sensor networks in industrial systems, building management systems with multiple measurement points at different locations, and remotely controlled or monitored systems with low real-time requirements. In laboratory setups, this can be used to create a temperature sensor network in which each sensor is connected to a dedicated RS485 channel and measurement values are read synchronously.\u003c\/p\u003e \u003cp\u003eOperation requires a software library that initializes RS485 communication on the assigned GPIO pins. Galvanic isolation protects the host board from voltage transients on the RS485 line, but does not eliminate the need for proper network topology. For bus segments longer than 10 meters, the need for termination resistors and careful wiring increases significantly.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for building prototypes and for testing and development purposes; it is not suitable for installation in household mains circuits. Consult a qualified electrician when connecting RS485 lines to external devices or sensors operating at mains voltage. All work on or near electrical installations must be carried out by qualified electricians.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 2-Channel Isolated RS485 Expansion HAT for Raspberry Pi\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044694495581,"sku":"F23109138","price":27.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/2-kanal-rs485-erweiterungs-shield-fuer-raspberry-pi-funduino-6566543.png?v=1791487582"},{"product_id":"gpio-erweiterungsboard-fur-raspberry-pi-2-pi-3-model-b","title":"GPIO expansion board for Raspberry Pi - 16 pins, I2C","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board with 16 additional digital GPIO pins for Raspberry Pi 2 and 3\u003c\/li\u003e \u003cli\u003eConnects via a 40-pin header to the GPIO connector of the single-board computer\u003c\/li\u003e \u003cli\u003eI2C-based interface; multiple modules can be connected in parallel to one bus\u003c\/li\u003e \u003cli\u003ePowered by the Raspberry Pi; no separate power supply required\u003c\/li\u003e \u003cli\u003eAddressable via I2C addresses; up to four modules can be combined without soldering\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eAn expansion board for Raspberry Pi series single-board computers provides 16 additional GPIO pins when the integrated ports of the main board are fully occupied. The module uses the Raspberry Pi's I2C interface and requires only two signal lines, leaving the remaining GPIO pins available. This creates room for additional expansions on the same bus.\u003c\/p\u003e \u003cp\u003eThe 16 digital outputs and inputs are connected to the Raspberry Pi via the 40-pin header and draw their power directly from the main board. Each module receives its own I2C address and can therefore be controlled individually. Up to four of these boards can be operated in parallel without requiring resistors, jumpers, or soldering.\u003c\/p\u003e \u003cp\u003eThe board is suitable for applications with multiple sensors and relays, such as controlling pumps, fans, and switching actuators in greenhouses or monitoring multiple pressure switches in machine prototypes. It can also be used for lighting control systems with many inputs and outputs when the Raspberry Pi's native GPIO pins are insufficient.\u003c\/p\u003e \u003cp\u003eOperation requires a Raspberry Pi 2, 3, or newer single-board computer. I2C addressing must be configured in the control software. A maximum of 25 milliamps can be switched at each output; external drivers or relays must be connected upstream for higher loads.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe module is not intended for installation in household electrical circuits and is exclusively intended for building prototypes and for testing and development purposes. Observe the maximum current draw per output. When working on or near electrical installations, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x GPIO expansion board for Raspberry Pi 2, Pi 3, Model B\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044737782109,"sku":"F23108695","price":8.91,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-erweiterungsboard-fuer-raspberry-pi-2-pi-3-model-b-funduino-3103667.png?v=1791488633"},{"product_id":"waveshare-st-link-v2-mini-stm8-stm32-programmer-debugger","title":"Waveshare ST-Link\/V2 mini programmer - STM8 and STM32, USB","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProgrammer and debugger for STM8 and STM32 microcontrollers\u003c\/li\u003e \u003cli\u003eUSB connection for connecting to the computer\u003c\/li\u003e \u003cli\u003eSWIM and SWD interfaces for the target board\u003c\/li\u003e \u003cli\u003eCompact design for mobile use\u003c\/li\u003e \u003cli\u003eLoads firmware directly into flash memory\u003c\/li\u003e \u003cli\u003eWorks with common development environments\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis programmer and debugger transfers firmware to STM8 and STM32 microcontrollers and enables code to be tested directly on the hardware. The connection to the computer is via USB, while the connection to the target device uses SWIM interfaces (STM8) or SWD interfaces (STM32). This means that the appropriate interface must be available on the target board and can be configured in the development environment.\u003c\/p\u003e \u003cp\u003eThe programmer saves the compiled code directly to the microcontroller's flash memory. This eliminates the need to rewrite it to external storage media and shortens development cycles when adapting firmware. Debugging during program execution is possible to identify errors in the execution.\u003c\/p\u003e \u003cp\u003eTypical applications include control technology, for example when sensors and actuators are to be controlled via STM8 or STM32 boards. The programmer is also used when building custom control circuits or commissioning circuits with predefined hardware. Prototypes can be iterated more quickly when code changes are transferred directly to the board.\u003c\/p\u003e \u003cp\u003eOperation requires a computer with a USB connection and an installed development environment that supports STM8 or STM32 (usually available free of charge). The target board must provide the corresponding SWIM or SWD connections; some boards already have these connections wired, while others require them to be soldered on first.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis device is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x\u0026nbsp;Waveshare ST-Link\/V2 (mini) - STM8\/STM32 Programmer\/Debugger\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044823765341,"sku":"F23108824","price":31.67,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/waveshare-st-linkv2-mini-stm8stm32-programmerdebugger-funduino-1990705.png?v=1791488409"},{"product_id":"ds1307-raspberry-pi-rtc-real-time-clock-modul-iic-i2c-s","title":"DS1307 RTC module - real-time clock with I2C and backup battery","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReal-time clock module with I2C interface for single-board computers\u003c\/li\u003e \u003cli\u003eMeasures date, time, temperature, and humidity\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 V to 5 V, single-supply\u003c\/li\u003e \u003cli\u003eIntegrated backup battery maintains the system time without a power supply\u003c\/li\u003e \u003cli\u003eAddress 0*68 on the I2C bus, up to 127 modules can be addressed in parallel\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe real-time clock with I2C connection provides single-board computers such as the Raspberry Pi with precise time and date, even when the system is switched off. The module also measures temperature and humidity. Without such a real-time clock, systems without Internet access have to request the time again every time they start up or lose it completely.\u003c\/p\u003e \u003cp\u003eThe sensor uses the DS1307 IC and features a permanently installed backup battery that maintains the system date while the power supply is interrupted. The I2C protocol connects the module to the host using just two data lines (SDA and SCL). The operating voltage of 3.3 V to 5 V is compatible with common systems without a level shifter; in mixed-voltage setups with multiple voltages, an adjustment may be required depending on the available logic levels.\u003c\/p\u003e \u003cp\u003eThe module is used in data logger projects where measured values are saved with a timestamp. It can also be used to implement timer programs for IoT devices, digital timer functions, or simply an accurate system time for logging without a network connection. In autonomous measuring stations, the real-time clock operates completely independently of the Internet.\u003c\/p\u003e \u003cp\u003eFor operation, the system must support I2C communication and provide the appropriate software libraries. Verifying write operations for the date is recommended, as these values may shift during extended storage without recharging the backup battery.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for prototype construction as well as testing and development purposes and is not designed for installation in household electrical circuits or permanent device integration. The backup battery must not be short-circuited and complies with the requirements for lithium batteries. Work on or near electrical installations is reserved for qualified electricians; if you are unsure about integrating the module into existing electrical circuits, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x DS1307 Raspberry Pi RTC Real Time Clock Module IIC I2C S\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66044918661469,"sku":"F23108075","price":5.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ds1307-raspberry-pi-rtc-real-time-clock-modul-iic-i2c-s-funduino-4209147.png?v=1791488654"},{"product_id":"bst-expansion-adapter-board-v2-0-fur-micro-bit","title":"BST Expansion Adapter Board V2.0 for micro:bit - edge connector, 20 pins","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eConnector expansion for connecting sensors and actuators to the micro:bit board\u003c\/li\u003e \u003cli\u003e20-pin Edge Connector according to the micro:bit standard\u003c\/li\u003e \u003cli\u003eUp to 20 analog or digital inputs and outputs can be used simultaneously\u003c\/li\u003e \u003cli\u003ePCB with space-saving 0.1-inch pitch\u003c\/li\u003e \u003cli\u003eAll pins of the micro:bit controller are directly accessible, with no restrictions from USB or battery clips\u003c\/li\u003e \u003cli\u003eDetailed labeling of pin functions on the board\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eAn expansion adapter connects the compact micro:bit board to a breadboard or custom circuits. The module uses the micro:bit's Edge Connector and provides access to all 20 controller pins, which would otherwise be concealed by the enclosure edges.\u003c\/p\u003e \u003cp\u003eThe board fits the standard 0.1-inch pitch and can be plugged in or soldered there. This allows analog inputs for sensors and digital outputs for motors or relays to be operated in parallel, without individual pins being blocked by the power connections. The labeling on the board shows the function of each pin, allowing wiring to be identified and checked quickly.\u003c\/p\u003e \u003cp\u003eIt is commonly used to operate several sensors simultaneously, such as motion detectors, light sensors, and temperature sensors in one project. The board is also suitable for controlling LEDs, buzzers, or simple motors via separate output pins. In educational settings, full access to all pins enables experimental circuits without major modifications between tasks.\u003c\/p\u003e \u003cp\u003eA micro:bit board is required, along with external sensors or actuators with 0.1-inch pitch interfaces or hookup wires, depending on the application. The micro:bit is powered via USB or battery; a separate power supply must be provided for high-power actuators.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe expansion board is intended exclusively for building prototypes and for testing and development purposes, and is not intended for installation in household electrical circuits. When controlling loads with higher currents or voltages, qualified electricians must be involved to ensure the safe integration of amplifier modules.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x BST Expansion Adapter Board V2.0 for micro:bit\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045084500317,"sku":"F23108051","price":9.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/bst-expansion-adapter-board-v20-fuer-microbit-funduino-9675685.png?v=1791488274"},{"product_id":"gpio-erweiterungsboard-mit-headerpin-und-buchse-fur-raspberry-pi-pico","title":"GPIO expansion board for Raspberry Pi Pico - header pins and socket","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board for multiplying GPIO connections on microcontroller boards\u003c\/li\u003e \u003cli\u003eAvailable via header pins with female contacts\u003c\/li\u003e \u003cli\u003eEnables parallel control of multiple inputs and outputs\u003c\/li\u003e \u003cli\u003ePlug connections without soldering\u003c\/li\u003e \u003cli\u003eReduces wiring effort in multichannel projects\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis expansion board increases the number of available GPIO connections on common microcontroller boards through plug connections. The board itself does not cause any voltage drop and requires no additional power supply, as it only forwards the signals from the main board.\u003c\/p\u003e \u003cp\u003eThe header pins are plugged into the microcontroller board on one side, while the female contacts on the other side provide multiple parallel connections. This eliminates soldering work, and individual jumper wires can be connected to the female contacts without changing the signal states.\u003c\/p\u003e \u003cp\u003eTypical applications include controlling multiple LEDs or relays from a single board, reading several switches or sensors simultaneously, and building circuits with multiple power consumers on parallel outputs. The plug-in design is particularly useful for prototypes with changing requirements, as individual contacts remain freely assignable.\u003c\/p\u003e \u003cp\u003eExact compatibility depends on the header type and pitch of the board used. Information about the connector row and pitch is required to ensure the correct fit.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe board is intended exclusively for building prototypes and for testing and development purposes. It must not be installed in the household electrical circuit. Ensure that the connections are correctly polarized to prevent damage to the electronics; if you are unsure, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cp\u003eOverview:\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045236347229,"sku":"F23107656","price":9.07,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-erweiterungsboard-mit-headerpin-und-buchse-fuer-raspberry-pi-pico-funduino-2358436.png?v=1791488577"},{"product_id":"attiny13a-entwicklungsboard-avr-programmer","title":"ATtiny13 A Development Board - AVR Programmer, USB, 1,8-5,5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMicrocontroller development board with ATtiny13 A processor for simple control and measurement projects\u003c\/li\u003e \u003cli\u003eIntegrated AVR programmer for loading firmware directly via USB\u003c\/li\u003e \u003cli\u003e8-bit architecture with 1 kB SRAM and 1 kB flash memory\u003c\/li\u003e \u003cli\u003eUp to eight digital inputs\/outputs, two analog inputs for sensors\u003c\/li\u003e \u003cli\u003eOperating voltage from 1.8 to 5.5 volts, ideal for battery operation\u003c\/li\u003e \u003cli\u003eUSB connection for power supply and programming in one\u003c\/li\u003e \u003cli\u003eCompact circuit board with through-hole connection pins for laboratory use\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eAn ATtiny13 A development board enables you to take your first steps with AVR microcontrollers without purchasing separate programming devices. The 8-bit processor and integrated USB programmer make setup and commissioning straightforward.\u003c\/p\u003e \u003cp\u003eThe board is powered and programmed via USB at the same time. The low operating voltage starting at 1.8 volts opens up scenarios using batteries or small solar cells, while the maximum of 5.5 volts also makes it directly compatible with laboratory power supplies and rechargeable batteries. The limited memory capacity of 1 kB each for RAM and flash requires compact programs, but is ideal for memory-efficient applications such as pulse counters, threshold switches, or sensor loggers.\u003c\/p\u003e \u003cp\u003eThe eight digital connections and two analog-digital inputs are suitable for manageable projects such as reading temperature sensors and controlling LED groups or signal outputs. A simple light sensor can be connected directly to an analog input, and the board can pass measured values to downstream circuits via digital outputs or store them locally.\u003c\/p\u003e \u003cp\u003eProgramming is done in C or Assembly using the widely used avr-libc and the free avr-gcc compiler. USB drivers for Windows, macOS, and Linux are available. Those using the standard development environment will find ready-made examples and bootloader code for other boards as a reference, but must adapt them to the ATtiny13 A's limited memory capacity.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe board is not intended for installation in household electrical circuits. It is exclusively intended for building prototypes and for testing and development purposes. Work on or near electrical installations must be carried out by qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x ATtiny13 AVR development board - programmer\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045450584413,"sku":"F23108363","price":3.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/attiny13a-entwicklungsboard-avr-programmer-funduino-9587287.png?v=1791489035"},{"product_id":"st-link-v2-stm8-stm32-emulator-downloader","title":"ST-LINK\/V2 programmer - debugger for STM8 and STM32, USB","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIn-circuit debugger and programmer for STM8 and STM32 microcontrollers\u003c\/li\u003e \u003cli\u003eUSB connection to the development computer\u003c\/li\u003e \u003cli\u003eEmulator function for real-time analysis during program execution\u003c\/li\u003e \u003cli\u003e20-pin JTAG connector or 6-pin SWD connector\u003c\/li\u003e \u003cli\u003eOperating voltage of 3.3 V to 5 V from the target device, USB bus powered\u003c\/li\u003e \u003cli\u003eProgram and erase flash memory in target systems\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe in-circuit debugger is a universal tool for programming and testing STM8- and STM32-based systems. It connects to the development computer via USB and communicates with the target device via JTAG or SWD. The emulation capability allows you to observe the running program in real time without interrupting its execution.\u003c\/p\u003e \u003cp\u003eThe debugger connects to the target board using standardized connectors, either a 20-pin connector for JTAG or a 6-pin connector for SWD, which requires fewer wires and saves space. The operating voltage is supplied by the target device itself (3.3 V to 5 V). This eliminates the need for a separate power supply. Flash memory is programmed directly without having to desolder the microcontroller.\u003c\/p\u003e \u003cp\u003eIt is used in the development of control units, data loggers, and real-time monitoring systems. During the prototype stage, the emulator connection enables rapid debugging of firmware problems. Flash memory can be erased in just a few seconds, accelerating repetitive test cycles.\u003c\/p\u003e \u003cp\u003eOperation requires a development environment such as STM32CubeIDE or an alternative IDE with debugger support, a USB-A cable, and the appropriate interface cable for the target board (JTAG or SWD). The debugger works with Windows, Linux, and macOS.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis device is intended exclusively for programming and debugging microcontroller systems for prototype, testing, and development purposes. It is not intended for connection to household electrical circuits or industrial-voltage networks. Work on the flash memory of target systems and their power supplies requires thorough knowledge of the circuit. If you are unsure or the target device behaves unusually during debugging, consult a qualified electrician before handing it over.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1 x ST-LINK\/V2\u003c\/li\u003e \u003cli\u003e1 x connection cable (30cm)\u003c\/li\u003e \u003cli\u003e6 x Dupont wires (20cm)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045489348957,"sku":"F23108361","price":9.61,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/st-linkv2-stm8-stm32-emulator-downloader-funduino-4767072.png?v=1791489127"},{"product_id":"gpio-multifunktions-erweiterungsboard-fur-raspberry-pi-2-und-3b","title":"GPIO expansion board - 40-pin, for Raspberry Pi 2 and 3B+","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExpansion board for single-board computers with GPIO headers and additional interfaces\u003c\/li\u003e \u003cli\u003eExpands connectivity with headers for standard sensors and actuators\u003c\/li\u003e \u003cli\u003eCompatible with 40-pin GPIO connectors\u003c\/li\u003e \u003cli\u003ePlugs onto the GPIO header; no soldering required\u003c\/li\u003e \u003cli\u003eMinimal space required thanks to its compact design\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eAn expansion board with GPIO headers allows standard sensors and actuators to be connected without soldering. The board plugs directly onto the GPIO header of the single-board computer and provides several pre-installed connector sockets for connecting modules.\u003c\/p\u003e \u003cp\u003eThe headers make the GPIO pins readily accessible. Every connection remains accessible for modifications, allowing circuits to be redesigned quickly. This eliminates the time-consuming installation of pin headers and contacts.\u003c\/p\u003e \u003cp\u003eApplications range from sensor setups in environmental monitoring projects and simple control systems to robotics prototypes. A common scenario is setting up measurement systems with multiple sensors; the board organizes the connections clearly and reduces wiring errors.\u003c\/p\u003e \u003cp\u003eThe board requires the compatible single-board computer as well as the desired sensors and actuators. The computer should be switched off before connecting the board to prevent damage.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe board is intended exclusively for building prototypes and for testing and development purposes. It is not intended for installation in household mains circuits. When working on or near electrical installations, consult a qualified electrician; if in doubt, consult one before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eGPIO multifunction expansion board for Raspberry Pi 2 and 3B+\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045610131805,"sku":"F23108797","price":5.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-multifunktions-erweiterungsboard-fuer-raspberry-pi-2-und-3b-funduino-8499547.png?v=1791490226"},{"product_id":"usb-zu-uart-rs232-ttl-schnittstellenwandler-mit-integriertem-pl2303","title":"PL2303 interface converter - USB to RS232 and TTL, 921.600 bit\/s","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eInterface converter from USB to RS232 and TTL\u003c\/li\u003e \u003cli\u003eEnables communication between USB devices and serial interfaces\u003c\/li\u003e \u003cli\u003eSupports both interface standards in a single module\u003c\/li\u003e \u003cli\u003eBaud rates up to 921,600 bit\/s\u003c\/li\u003e \u003cli\u003eIntegrated circuit with galvanic isolation\u003c\/li\u003e \u003cli\u003eCompact design with standard DB9 connector\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis interface converter bridges the gap between USB computers and devices with RS232 or TTL connections. The converter converts USB signals into both serial formats, enabling communication with older measuring instruments, industrial controllers, or development boards without a native USB interface.\u003c\/p\u003e \u003cp\u003eThe module uses a standard interface chip and offers selectable baud rates up to 921,600 bit\/s. Galvanic isolation protects the connected systems from voltage spikes and ground loops, which is important when using longer cable runs or multiple networked devices. Level conversion takes place automatically; no manual adjustments are required.\u003c\/p\u003e \u003cp\u003eTypical applications include communication with industrial devices, programming older microcontroller boards, connecting sensors with an RS232 output, and operating laboratory measuring equipment via a computer. The module can also be used for debugging development boards when their TTL interface is required.\u003c\/p\u003e \u003cp\u003eOperation requires a USB port on the computer and suitable driver support for the operating system. The device-side connection is made either via a DB9 connector (RS232) or pin headers (TTL), depending on the module configuration. Cable runs longer than five metres may cause transmission errors at high baud rates.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in household mains circuits. Caution is required when connecting directly to mains-voltage devices or unsafe voltage sources. Work on or near electrical installations must be carried out by qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x USB-to-RS232-TTL auto-converter module PL2303HX\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045610230109,"sku":"F23110202","price":5.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/usb-zu-uart-rs232-ttl-schnittstellenwandler-mit-integriertem-pl2303-funduino-3805210.png?v=1791489981"},{"product_id":"avrisp-stk500-v2-0-kompatibler-programmer-fur-atmel-ic","title":"AVRISP STK500 V2 programmer - USB, ISP for ATmega and ATtiny","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProgrammer for AVR microcontrollers in the ATmega and ATtiny series\u003c\/li\u003e \u003cli\u003eCompatible with Atmel STK500 V2\u003c\/li\u003e \u003cli\u003eProgramming via USB connection\u003c\/li\u003e \u003cli\u003eIn-system programming (ISP) supported\u003c\/li\u003e \u003cli\u003e5 V power supply via USB\u003c\/li\u003e \u003cli\u003eIntegrated target voltage detection\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis programmer is used to upload firmware to AVR microcontrollers from the popular ATmega and ATtiny families. It emulates the proven STK500 V2 protocol and works with established development environments as well as standard flash tools. The USB interface simplifies connection to the computer without requiring an additional power supply.\u003c\/p\u003e \u003cp\u003eThe programmer uses the ISP method (in-system programming), in which the chip remains on the circuit board. The integrated safety functions automatically detect the target voltage and prevent damage caused by a voltage mismatch. This allows both development boards and controllers already soldered into circuits to be programmed without removing them.\u003c\/p\u003e \u003cp\u003eTypical applications include firmware development for sensor and control applications, flashing bootloaders, and programming microcontrollers in automated manufacturing processes. The device is equally suitable for individual projects and repeated programming cycles.\u003c\/p\u003e \u003cp\u003eA computer with a USB port and compatible programming software (AVR Studio, WinAVR, or similar tools) are required. The ISP connection is made via a standard 6-pin or 10-pin connector to the target device. A level shifter is required for microcontrollers with different voltage levels.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis programmer is not intended for installation in the household power circuit. It is intended exclusively for prototyping, testing, and development purposes. Work on or near electrical installations must be carried out by qualified electricians. If you are unsure, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x AVRISP STK500 V2.0-compatible programmer for Atmel ICs\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045611114845,"sku":"F23108352","price":26.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/avrisp-stk500-v20-kompatibler-programmer-fuer-atmel-ic-funduino-8069014.png?v=1791490059"},{"product_id":"gpio-adapter-mit-40-pins-fur-raspberry-pi-t-type","title":"GPIO T-Type adapter - 40 pins for Raspberry Pi","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e40-contact adapter for the expansion system of a single-board computer\u003c\/li\u003e \u003cli\u003eT-shaped pin header, molded in on one side\u003c\/li\u003e \u003cli\u003eGold-plated contacts, black PCB surface\u003c\/li\u003e \u003cli\u003ePinout reference available, for example online\u003c\/li\u003e \u003cli\u003eEnables connections to standard components and modules\u003c\/li\u003e \u003cli\u003eExcellent durability thanks to sturdy contact spring tracks\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe GPIO adapter is a pin header for the 40-pin expansion system of single-board computers. Its T-shaped arrangement allows circuits to be built compactly. The header is inserted sideways into the computer's pin headers, while the connections point upward and are immediately accessible for jumper wires. The gold-plated contacts ensure secure connections without oxidation over extended periods.\u003c\/p\u003e \u003cp\u003eThe adapter serves as an interface between the computer board and commercially available sensors, actuators, or breakout boards designed for standard connectors. Projects with temperature sensors, relays, or LED control can be built without specialized soldering. Compared with flat, directly soldered versions, the T-shape has the advantage that plug connections are easy to access and the PCB does not protrude.\u003c\/p\u003e \u003cp\u003eSince the adapter is factory-assembled, no assembly is required. The pinout follows the standard for the 40-pin system; reference material for the exact assignment of the individual pins is available. Operation does not require a separate power supply. Only jumper wires with suitable connectors are needed to connect modules.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis adapter is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations must be carried out by a qualified electrician. If in doubt, seek professional advice before commissioning.\u003c\/p\u003e \u003ch4\u003ePackage contents\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x GPIO adapter with 40 pins for Raspberry Pi - T-Type\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045615276381,"sku":"F23106530","price":2.39,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-adapter-mit-40-pins-fuer-raspberry-pi-t-type-funduino-8088377.jpg?v=1791490178"},{"product_id":"gpio-erweiterungsboard-fur-raspberry-pi-3-pi-2-pi-model-b","title":"GPIO Expansion Board for Raspberry Pi - 32 Inputs and Outputs, I2C","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGPIO expansion board for the Raspberry Pi\u003c\/li\u003e \u003cli\u003eup to 32 additional inputs and outputs\u003c\/li\u003e \u003cli\u003esimple plug-in connection via I2C bus\u003c\/li\u003e \u003cli\u003ecompact design without additional wiring\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis expansion module adds dozens of additional inputs and outputs to single-board computers without occupying existing interfaces. The I2C bus connects the board to the host system, and multiple modules can be operated in parallel, significantly increasing the available GPIO capacity without using additional slots.\u003c\/p\u003e \u003cp\u003eUsing digital inputs and outputs, the module monitors sensors, switches, and buttons and controls lamps, relays, or other loads. This enables measurement or control tasks without modifying the main board. Particularly in projects with many individual components, such as home automation prototypes, model-building controls, or field measurement systems, the module significantly alleviates the limited GPIO capacity of the base system.\u003c\/p\u003e \u003cp\u003eConnection is made via the standard I2C connector. Software is programmed using the usual development environment. Operation requires a Raspberry Pi 2 or Pi 3; power is supplied by the host. As a pure expansion board, the module contains no standalone drivers or sensors.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for prototyping and testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":66045621371229,"sku":"F23108846","price":5.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gpio-erweiterungsboard-fuer-raspberry-pi-3-pi-2-pi-model-b-funduino-6251876.jpg?v=1791489716"}],"url":"https:\/\/funduino.com\/en\/collections\/interfaces-and-converters.oembed","provider":"Funduino","version":"1.0","type":"link"}