{"title":"Sensors","description":null,"products":[{"product_id":"feuchtigkeitssensor-mit-xh2-54-3p-buchse","title":"Humidity sensor - 3-pin XH2.54, 3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMeasures relative humidity and temperature in one module\u003c\/li\u003e \u003cli\u003eMeasurement range: 0 to 100 percent relative humidity, -40 to +80 degrees Celsius\u003c\/li\u003e \u003cli\u003eAnalog outputs or digital interface, depending on the variant\u003c\/li\u003e \u003cli\u003eXH2.54 three-pin connector for easy connection\u003c\/li\u003e \u003cli\u003eFactory calibrated and ready for use\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA humidity sensor with an XH2.54 connector simultaneously measures humidity and temperature. The module outputs the measured values via analog outputs or a digital interface, making it easy to connect to microcontroller boards or data acquisition systems. The three-pin socket is mounted on the circuit board, allowing easy connection without additional wiring.\u003c\/p\u003e \u003cp\u003eThe sensor requires no calibration because it is adjusted at the factory. A power supply between 3 and 5 volts is sufficient for operation, depending on the version. Accuracy is in the low single-digit percentage range for humidity and approximately one degree for temperature, making the sensor suitable for reliable measurements in indoor environments.\u003c\/p\u003e \u003cp\u003eExample applications include climate monitoring in server rooms or storage facilities, indoor climate control in offices and homes, humidity management in stored goods, and monitoring incubators or terrariums. The module is also used in portable environmental measurement kits.\u003c\/p\u003e \u003cp\u003eThe analog or digital output is selected according to the connected devices; boards with a different operating voltage may require a level shifter between the sensor and the control board. Monitoring large areas over many meters requires sensors with wireless communication, which this module does not provide.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes. It is not intended for use in or immediately adjacent to household mains installations. When connecting it to other devices or power sources, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Humidity sensor with XH2.54 3P socket\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997798736221,"sku":"F23109068","price":3.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/feuchtigkeitssensor-mit-xh254-3p-buchse-funduino-8676303.jpg?v=1791494496"},{"product_id":"ekg-herzfrequenz-messgerat-set-mit-ad8232","title":"AD8232 ECG sensor set - 3 electrodes with cable, 3.3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eElectrocardiography module for recording heart rate and ECG signals\u003c\/li\u003e \u003cli\u003eAnalog output for direct measurement data processing\u003c\/li\u003e \u003cli\u003eThree electrodes for surface measurements\u003c\/li\u003e \u003cli\u003eOperating voltage of 3.3 V or 5 V\u003c\/li\u003e \u003cli\u003eWith integrated electrode attachment and connection cables\u003c\/li\u003e \u003cli\u003eNo calibration required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe ECG measurement module records heart rate and the electrical activity of the heart using surface electrodes. The specialized sensor IC amplifies the weak signals from cardiac muscle activity and outputs them in analog form. The measurement data is sent directly to microcontroller boards such as Arduino or Raspberry Pi for further processing.\u003c\/p\u003e \u003cp\u003eThe module operates with a 3.3 V or 5 V supply voltage, making it compatible with most common development boards without additional voltage converters. A single lead is measured using three electrodes; the measurement electrodes adhere to the skin and measure electrocardiographic activity between two points. The electrode attachment is integrated, and connection cables are included.\u003c\/p\u003e \u003cp\u003eApplications include heart rate measurement in fitness projects, medical teaching and training setups, and biofeedback applications focused on pulse monitoring. A common use case is monitoring heart rate during physical exertion in sports projects, where the module sends raw data to a display or storage device.\u003c\/p\u003e \u003cp\u003eIn addition to the module, operation requires a microcontroller board, an analog-to-digital converter to digitize the signal, and connection cables. The measurement electrodes must be replaced regularly as they lose their adhesive properties. Correct electrode placement and skin contact free of hair are prerequisites for meaningful measurements.\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 intended for medical diagnosis. Continuous measurement or therapeutic monitoring is not possible with this equipment. Not intended for installation in the household electrical circuit; if you have questions about safe commissioning, consulting a qualified electrician is recommended.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x AD8232 heart rate monitor\u003c\/li\u003e \u003cli\u003e1x connection cable with sensors\u003c\/li\u003e \u003cli\u003e3x stickers for attaching the sensors to the body\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997800046941,"sku":"F23106834","price":9.07,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ekg-herzfrequenz-messgeraet-set-mit-ad8232-funduino-2184389.png?v=1791493888"},{"product_id":"lichtsensor-mit-led-technik-fur-arduino-digital-und-analog","title":"Light sensor module - digital output, 5 V, LED indicator","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital light sensor for Arduino-compatible boards\u003c\/li\u003e \u003cli\u003eMeasures brightness and outputs the measured value via a digital output\u003c\/li\u003e \u003cli\u003e5 V operating voltage, compatible with standard logic levels\u003c\/li\u003e \u003cli\u003eEasy connection via a three-wire ribbon cable with connector\u003c\/li\u003e \u003cli\u003eLED indicates sensor activity\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis light sensor detects ambient brightness and provides the result as a digital signal. The sensor is suitable for projects where a simple on-off signal is sufficient, for example to distinguish between day and night or to trigger a warning when it becomes critically dark.\u003c\/p\u003e \u003cp\u003eThe sensor uses a photodiode whose resistance changes with light intensity. The integrated comparator module compares this change with a set threshold and outputs a clear digital signal. The 5 V operating voltage enables direct connection to Arduino boards and similar microcontrollers without additional electronics.\u003c\/p\u003e \u003cp\u003eThe light sensor can be used in automatic lighting controls, for example to switch on a light at dusk. It also reliably supports safety applications, such as turning on an LED as soon as it becomes too dark. The onboard LED indicates that the sensor is responding, making troubleshooting easier during development.\u003c\/p\u003e \u003cp\u003eThe sensor requires an available digital input pin and is connected via the included ribbon cable. The threshold can be adjusted to suit the installation location using a potentiometer on the module. An external power supply is not necessary because the sensor receives its operating voltage directly from the Arduino board.\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 is not suitable for connection to household electrical systems. When connecting it, make sure the ribbon cable is correctly polarized. If you are unsure how to integrate it into a project, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Light sensor with LED technology for Arduino - Digital and Analog\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997806174557,"sku":"F23107040","price":2.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/lichtsensor-mit-led-technik-fuer-arduino-digital-und-analog-funduino-4546724.png?v=1791493894"},{"product_id":"hx711-24-bit-a-d-wagezellenverstarker","title":"HX711 load cell amplifier - 24-bit A\/D converter, 2.6-5.5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e24-bit analog-to-digital converter for load cells and force sensors\u003c\/li\u003e \u003cli\u003eTwo input channels with switchable gain (channel A, 64x or 128x, channel B, 32x)\u003c\/li\u003e \u003cli\u003eChannel A input range up to ±40 mV or ±20 mV depending on the gain\u003c\/li\u003e \u003cli\u003eSerial two-wire interface for microcontrollers\u003c\/li\u003e \u003cli\u003eConfigurable output data rate between 10 Hz and 80 Hz\u003c\/li\u003e \u003cli\u003eSeparate pin headers for sensors and control electronics\u003c\/li\u003e \u003cli\u003eInternal voltage regulation and decoupling capacitors already included\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe 24-bit HX711 analog-to-digital converter digitizes the tiny differential signals from Wheatstone bridge sensors. The module receives the voltage signal from a load cell, amplifies it internally, and provides the measurement result as a digital value that can be read by a microcontroller.\u003c\/p\u003e \u003cp\u003eTwo independently configurable input channels enable flexible measurement setups. Channel A allows a choice between 64x and 128x gain, corresponding to input ranges of ±40 mV or ±20 mV. Channel B operates with a fixed gain of 32x and can be used for a second sensor. The output data rate can be switched between 10 Hz and 80 Hz to adapt the measurement speed to the application.\u003c\/p\u003e \u003cp\u003eCommunication with the microcontroller requires only two wires. The controller sends clock signals, and the module then returns the 24-bit measurement values serially. The data rate can also be adjusted via the same clock line. Capacitors already soldered onto the board and an internal regulator eliminate the need for external circuitry.\u003c\/p\u003e \u003cp\u003eThe module can be used wherever small loads or forces need to be measured, for example in electronic scales for weighing food or people, or in industrial load cells. The setup is minimal: connect the load cell, connect four wires to the microcontroller, and you are ready to go.\u003c\/p\u003e \u003cp\u003eOperation requires a power supply between 2.6 V and 5.5 V, as well as compatible interface software for the development board being used. Compatibility with Arduino and Raspberry Pi is provided when the respective software libraries are included.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe module is not intended for connection to household appliances or industrial power supplies and may be used exclusively for prototyping, testing, and development purposes. Calibration is required before the first measurement operation. If you have questions about commissioning or the correct connection of load cells and the power supply, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eHX711 - 24-bit A\/D load cell amplifier\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997807157597,"sku":"F23106474","price":1.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/hx711-24-bit-ad-waegezellenverstaerker-funduino-7755971.jpg?v=1791473951"},{"product_id":"uv-sensor-budget-fur-arduino","title":"UV sensor - budget, 250-400 nm, 3.3-5 V, I2C","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUV sensor for Arduino and compatible boards\u003c\/li\u003e \u003cli\u003eMeasures UV radiation in the 250 to 400 nm range\u003c\/li\u003e \u003cli\u003eAnalog output; direct level conversion is not required\u003c\/li\u003e \u003cli\u003eOperating voltage: 3.3 V and 5 V\u003c\/li\u003e \u003cli\u003eI2C interface; multiple sensors can be connected to one bus\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe UV sensor measures the intensity of ultraviolet radiation and outputs the readings via the I2C interface. The module operates with a 3.3 V and 5 V supply voltage, so it can be connected directly to standard Arduino boards and similar microcontroller platforms. I2C addressing makes it possible to operate multiple sensors in parallel on the same data and clock lines when the hardware supports multiple I2C addresses.\u003c\/p\u003e \u003cp\u003eThe measurement range of 250 to 400 nm covers the UVA and UVB ranges. Calibration is not required; the readings are available immediately after booting. The module is suitable for monitoring tasks outdoors and in controlled environments, for example to document radiation exposure at workplaces or to control UV warnings in applications.\u003c\/p\u003e \u003cp\u003eOperation requires a microcontroller board with an I2C port. Power can be supplied via the Arduino's 3.3 V or 5 V rail, with minimal power consumption. No additional components are required for basic operation.\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 is not intended for installation in household electrical circuits or devices with mains voltage. When working near electrical installations, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003ePackage contents\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x UV sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997807190365,"sku":"F23106492","price":6.21,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/uv-sensor-budget-fuer-arduino-funduino-8952556.png?v=1791494566"},{"product_id":"cjmcu-sht10-temperatur-feuchtigkeitssensor","title":"SHT10 temperature and humidity sensor - I2C, 2.4-5.5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCombined temperature and humidity sensor with digital output\u003c\/li\u003e \u003cli\u003eTemperature measuring range -40 to +123.8 °C, humidity 0 to 100% relative humidity\u003c\/li\u003e \u003cli\u003eAccuracy ±0.5 °C and ±3% relative humidity\u003c\/li\u003e \u003cli\u003eI2C interface for connection to microcontroller boards\u003c\/li\u003e \u003cli\u003eFactory-calibrated, no adjustment required\u003c\/li\u003e \u003cli\u003eOperating voltage 2.4 to 5.5 V\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe sensor measures temperature and relative humidity in a single component and outputs the measured values digitally. The interface is I2C, a serial protocol that allows multiple sensors to share a common bus and requires only two lines for communication and clock signals. This helps save pins on the microcontroller.\u003c\/p\u003e \u003cp\u003eThe measurement principle is based on capacitive and resistive elements that respond to changes in temperature and humidity. The integrated ADC digitizes the measured values directly in the sensor. The accuracy is sufficient for applications involving general monitoring, but not for laboratory-grade measurements. The factory calibration is stable, so recalibration is not necessary.\u003c\/p\u003e \u003cp\u003eApplications include climate control in rooms or enclosures, storage monitoring for moisture-sensitive goods, outdoor weather stations within the limits of the temperature range, and environmental sensors in data loggers. The sensor also automatically monitors parameters in plant cultivation systems and incubators.\u003c\/p\u003e \u003cp\u003eThe sensor operates at voltages from 2.4 to 5.5 V, making it compatible with common boards using 3.3 or 5 V logic without additional level shifters. The I2C address is fixed at the factory, so using multiple sensors requires changing the address or using a multiplexer. The operating current is below 1 mA during measurement. Operation requires only a power supply and an I2C master interface; no additional accessories are needed.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes. It must not be integrated into the household electrical circuit. Work on or near household electrical installations requires a qualified electrician; consult one before commissioning if in doubt.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x CJMCU SHT10 temperature and humidity sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997807681885,"sku":"F23107783","price":16.07,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/cjmcu-sht10-temperatur-feuchtigkeitssensor-funduino-7441696.jpg?v=1791473952"},{"product_id":"halterung-und-montage-kit-fur-hc-sr04-ultraschallsensor-sg90-servo","title":"Mount for HC-SR04 ultrasonic sensor - mounting kit for SG90 servo","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMounting and installation kit for ultrasonic sensors, suitable for HC-SR04 modules\u003c\/li\u003e \u003cli\u003eMount with adjustable tilt and mounting holes for flexible positioning\u003c\/li\u003e \u003cli\u003ePlastic material, dimensions designed to accommodate the sensor\u003c\/li\u003e \u003cli\u003eMounting on robot frames, vehicles, or measurement stations\u003c\/li\u003e \u003cli\u003eFasteners included, ready for use without additional accessories\u003c\/li\u003e \u003cli\u003eScrew fastening instead of adhesive, allowing the sensor to be replaced without damage\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe kit mounts ultrasonic sensors securely and adjustably on support structures. The HC-SR04 sits in a plastic holder with angled mounts that allow measurements in different directions without rotating the sensor itself. This is important because ultrasonic measurement is highly dependent on the angle.\u003c\/p\u003e \u003cp\u003eThe holder is attached with screws, not adhesive. The sensor can be removed at any time, for example for replacement or maintenance. All necessary fasteners are included, so only the ultrasonic sensor itself needs to be purchased separately.\u003c\/p\u003e \u003cp\u003eTypical applications include autonomous systems that use the sensor to detect obstacles, or stationary measurement setups for shelving or warehouse management. The kit is also suitable for research prototypes where multiple sensors need to be mounted and realigned simultaneously.\u003c\/p\u003e \u003cp\u003eInstallation requires minimal effort, as no drilling or modifications to the support are necessary as long as it has standard edges or surfaces for the included fasteners.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe kit is intended exclusively for prototype development and testing and development purposes. Do not use it for installation in household electrical circuits or in applications involving mains voltage. When installing it in safety-critical systems, ensure that the sensor itself remains securely fastened and cannot fall out.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Holder and mounting kit - for HC-SR04 ultrasonic sensor \u0026amp; SG90 servo\u003c\/li\u003e \u003cli\u003eincl. screws\u003c\/li\u003e \u003cli\u003eNo sensor or motor included!\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997807845725,"sku":"F23110111","price":2.98,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/halterung-und-montage-kit-fuer-hc-sr04-ultraschallsensor-sg90-servo-funduino-1503704.png?v=1791493917"},{"product_id":"digitaler-temperatur-luftfeuchte-sensor-shtc3-i2c-alternative-zu-dht22-am2302","title":"SHTC3 temperature sensor - humidity, I2C, 3.3-5.5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital temperature and humidity sensor with I2C interface\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 to 5.5 V, direct connection to 3.3 V and 5 V systems without a level shifter\u003c\/li\u003e \u003cli\u003e4 connection pins, fixed I2C address 0*70\u003c\/li\u003e \u003cli\u003eCompatible with Arduino, Raspberry Pi, ESP32\u003c\/li\u003e \u003cli\u003eLow power consumption for battery-powered applications\u003c\/li\u003e \u003cli\u003eForm factor like the DHT22, but with a digital I2C interface instead of a single signal\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis temperature and humidity sensor uses the I2C interface to output both measured values digitally. This eliminates the need to perform complex analysis of a time-critical signal pattern as with the DHT22, significantly simplifying control. The measured values are retrieved via the two SDA and SCL lines.\u003c\/p\u003e \u003cp\u003eThe module operates with voltages between 3.3 and 5.5 V and includes voltage regulation to supply the sensor chip. This allows the module to be connected directly to 3.3 V boards such as the Raspberry Pi as well as to 5 V systems such as standard Arduino boards, without requiring an additional level shifter.\u003c\/p\u003e \u003cp\u003eConnection is made via four pins for power, ground, and the SDA and SCL data lines. With the fixed I2C address 0*70, the software addresses the sensor directly. Multiple identical sensors require an I2C multiplexer to operate on the same bus. Indoor climate monitoring, weather stations, and humidity control systems benefit from reliable dual measurement. The sensor is also suitable for battery-powered devices because its power consumption remains low.\u003c\/p\u003e \u003cp\u003eThe form factor matches familiar humidity sensors, but as a replacement for the DHT22 it enables a switch to I2C communication if the application software is adapted. Operation requires only the four connection pins and a power supply within the specified voltage range.\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 is not suitable for installation in household mains circuits. Work on or near electrical installations must be carried out by a qualified electrician. If you are unsure about commissioning the module, consult a qualified electrician before starting.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1× Digital temperature \u0026amp; humidity sensor SHTC3 (I2C) - Alternative to DHT22\/AM2302, incl. connection cable\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997813809501,"sku":"F23105736","price":4.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/digitaler-temperatur-luftfeuchte-sensor-shtc3-i2c-alternative-zu-dht22am2302-funduino-4448110.png?v=1791474006"},{"product_id":"anschlussterminal-mit-schraubklemmen-fur-temperatursensor-ds18b20","title":"Connection terminal for DS18B20 - screw terminals, 3-pole","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTerminal with screw terminals for temperature sensors\u003c\/li\u003e \u003cli\u003eThree separate pairs of terminals for positive, negative, and signal lines\u003c\/li\u003e \u003cli\u003eCan be mounted on a DIN rail or with screws on an equipment carrier\u003c\/li\u003e \u003cli\u003eSecure clamping contact through spring-loaded tension clamps\u003c\/li\u003e \u003cli\u003eNo latching or lever required, screw-only design\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe terminal with screw terminals connects temperature sensors or similar measuring devices easily and securely to higher-level controllers or evaluation systems. Each terminal package accommodates one line separately, thereby maintaining signal separation over longer cable runs.\u003c\/p\u003e \u003cp\u003eThe separate terminal arrangement for positive, negative, and signal lines prevents wiring errors through clear physical separation. The spring-loaded tension clamps secure the contact without moving levers or locking mechanisms, avoiding wear and ensuring a reliable connection even under vibration.\u003c\/p\u003e \u003cp\u003eThe terminal is used wherever sensors need to be connected to central acquisition devices over greater distances. Laboratory setups with multiple sensors can be wired clearly by assigning each sensor its own pair of terminals. The standardized arrangement also provides quick orientation when installed on control panels or in distribution boxes. At decentralized measuring points, a single terminal can serve as the main connection point into which multiple sensor lines are routed.\u003c\/p\u003e \u003cp\u003eThe terminal is within reach of common DIN rail devices or can be mounted on any flat carrier using the mounting holes. The screw terminals accommodate stranded wire cross-sections of approximately 0.5 to 2.5 square millimeters. If shielded cables are used, the shield should also have a dedicated terminal, which is not necessary when a separate ground line is used instead.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis terminal 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. Check the correct polarity before connecting sensors.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Terminal with screw terminals for DS18B20 temperature sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997813973341,"sku":"F23106304","price":2.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/anschlussterminal-mit-schraubklemmen-fuer-temperatursensor-ds18b20-funduino-6093486.png?v=1791493985"},{"product_id":"mq-5-sensor-fur-lpg-und-andere-naturliche-gase","title":"MQ-5 gas sensor - LPG and natural gas, 200-10,000 ppm, 5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGas sensor for detecting liquefied petroleum gas and other hydrocarbons\u003c\/li\u003e \u003cli\u003eAnalog and digital outputs for direct integration into control systems\u003c\/li\u003e \u003cli\u003eMeasuring range: 200 to 10,000 ppm\u003c\/li\u003e \u003cli\u003eOperating voltage: 5 V\u003c\/li\u003e \u003cli\u003e60-second warm-up phase before reliable readings\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA semiconductor gas sensor that analyzes the concentration of natural gases. The sensor chip changes its resistance depending on the gas concentration. An integrated amplifier converts this into two output signals: an analog voltage value and a digital signal via a comparator with an adjustable threshold. This allows gas measurements to be converted directly into alarms without external evaluation.\u003c\/p\u003e \u003cp\u003eThe measuring resolution in the range of 200 to 10,000 ppm is suitable for leak detection and gas warning devices in smaller areas, but is not sufficient for long-term monitoring of large rooms or for individual board calibration. The sensor requires a five-minute warm-up phase after being switched on; afterward, its sensitivity to humidity and temperature fluctuations decreases noticeably. The threshold can be adjusted using a precision potentiometer without tools.\u003c\/p\u003e \u003cp\u003eTypical applications include portable gas detection in workshops and warehouses, monitoring gas cylinder storage areas, and detecting leaks in pipelines. The sensor is also used for prototyping ventilation systems with automatic shutoff and in hazard detection projects.\u003c\/p\u003e \u003cp\u003eThe analog output voltage varies depending on the gas concentration and enables finer measurement resolution than the digital threshold alone. Connection is made via five pins to common microcontroller boards with 5 V logic. The sensor is supplied without a power supply or voltage regulator; a power supply capable of providing at least 200 mA must be provided separately. Operation in environments containing solvents or silicon dioxide aerosols reduces the service life.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe sensor is not suitable for monitoring indoor air in residential spaces or for inspecting the safety of gas installations in accordance with building regulations; certified measuring instruments are required for these purposes. The product is intended exclusively for prototyping and development purposes. Connections to existing gas supplies or measuring lines may only be carried out by a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x MQ-5 - Sensor for LPG and other natural gases\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997817971037,"sku":"F23106848","price":2.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mq-5-sensor-fuer-lpg-und-andere-natuerliche-gase-funduino-2960061.png?v=1791494008"},{"product_id":"ky-036-beruhrungssensor-metall-touchsensor-modul","title":"KY-036 touch sensor - metal touch sensor, 3.3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTouch sensor for detecting metal contact or skin contact\u003c\/li\u003e \u003cli\u003eAnalog output, digital output, and LED indicator\u003c\/li\u003e \u003cli\u003eSensitivity adjustable via potentiometer\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 to 5 V\u003c\/li\u003e \u003cli\u003eI2C-compatible outputs for operating multiple units on one bus\u003c\/li\u003e \u003cli\u003eCompact design for soldering onto a circuit board or prototyping board\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA capacitive touch sensor detects metal contact or the approach of a hand without requiring a mechanical button to be pressed. The module uses a coplanar plate as the sensor and outputs the measured result both as an analog voltage value and via a digital switching contact.\u003c\/p\u003e \u003cp\u003eThe sensitivity can be adjusted using the built-in potentiometer to minimize false triggers. The integrated LED provides a visual indication of the trigger status. The two independent outputs allow analog and digital processing to operate in parallel.\u003c\/p\u003e \u003cp\u003eTouch switches for lamps or music players are the classic application. The sensor is also suitable for integration into control panel prototypes in home automation, and is often used in educational projects for capacitive detection of metal surfaces. Detecting a hand near a hotplate or monitoring the fill level of a metal container are other specific scenarios.\u003c\/p\u003e \u003cp\u003eThe sensor operates on between 3.3 and 5 V, making it suitable for common microcontroller boards ranging from single-board computers to conventional development boards. The digital and analog outputs can be connected directly. Calibration is not required; the potentiometer is adjusted manually during test operation.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe sensor is not intended for use as a mechanical replacement for safety switches. The module is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations must be performed 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 KY-036 - Touch Sensor, Metal Touch Sensor Module\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997823344989,"sku":"F23106519","price":1.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ky-036-beruehrungssensor-metall-touchsensor-modul-funduino-6387672.png?v=1791493581"},{"product_id":"gy-61-adxl335-3-achsen-beschleunigungssensor","title":"GY-61 accelerometer - ADXL335, 3 axes, ± 3 g","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThree-axis accelerometer that measures movement in all spatial directions\u003c\/li\u003e \u003cli\u003eMeasurement range +\/- 3 g, resolution approximately 3 mV\/g\u003c\/li\u003e \u003cli\u003eAnalog outputs enable direct acquisition via ADC\u003c\/li\u003e \u003cli\u003eOperating voltage 2.4 to 3.6 V\u003c\/li\u003e \u003cli\u003eCompact design, 16-pin IC with carrier\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe accelerometer detects movement in all three spatial directions simultaneously. The module uses the ADXL335 sensor, whose piezoelectric measurement principle converts acceleration along the X, Y, and Z axes into proportional voltages. Three analog outputs provide continuous values that can be read via the ADC inputs of a microcontroller board or single-board computer.\u003c\/p\u003e \u003cp\u003eWith a measurement range of +\/- 3 g, the sensor is suitable for detecting everyday movements, free falls, and light impacts. The resolution of approximately 3 mV per g enables sufficient differentiation at moderate accelerations. The sensor is not suitable for higher G-forces.\u003c\/p\u003e \u003cp\u003eApplications range from motion detection in mobile devices and orientation detection in robots to vibration measurement on machines. A tilt angle can be calculated from the static accelerations along the axes, for example, to monitor the orientation of a model.\u003c\/p\u003e \u003cp\u003eThe operating voltage of 2.4 to 3.6 V requires a stable power supply in the 3.3 V range; direct connection to 5 V logic is not possible and would damage the IC. Evaluation requires a development board with ADC channels and a corresponding control routine. The sensor must be protected against electrostatic discharge and requires calibration to the zero point of each axis before use.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe module is sensitive to electrostatic discharge; anti-static precautions are required before handling. The product is intended exclusively for building prototypes and for testing and development purposes and is not suitable for use in safety-critical applications.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x GY-61, ADXL335 3-axis accelerometer with soldered pin header\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997824196957,"sku":"F23106778","price":7.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gy-61-adxl335-3-achsen-beschleunigungssensor-funduino-9173301.png?v=1791494679"},{"product_id":"mq-9-sensor-fur-kohlenmonoxid-und-brennbare-gase","title":"MQ-9 gas sensor - carbon monoxide and flammable gases, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSensor for carbon monoxide and combustible gases with analog output signal\u003c\/li\u003e \u003cli\u003eMeasuring range: 10 to 1000 ppm for CO, 100 to 10000 ppm for combustible gases\u003c\/li\u003e \u003cli\u003eOperating voltage: 5 V, current consumption approximately 150 mA\u003c\/li\u003e \u003cli\u003eAnalog output: 0 to 5 V via RL resistor (typically 10 kOhm)\u003c\/li\u003e \u003cli\u003eWarm-up time approximately 20 seconds, calibration in fresh air required\u003c\/li\u003e \u003cli\u003eSemiconductor detector with heating element, long service life without wear parts\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe sensor detects carbon monoxide in the air as well as combustible gases and outputs the concentration as a voltage signal. Within approximately 20 seconds after switching on, the sensing element reaches its operating temperature. The output signal is then 0 to 5 volts, with higher voltages indicating higher gas concentrations.\u003c\/p\u003e \u003cp\u003eThe detector uses a semiconductor element whose conductivity changes when it comes into contact with gases. An integrated heating element keeps the sensing point at a constant temperature. Since no chemical reactants are consumed, regular sensor replacement is not required. The output signal is adjusted via an external load resistor (approximately 10 kOhm) and can be connected directly to analog-to-digital converters of microcontrollers or single-board computers.\u003c\/p\u003e \u003cp\u003eThe sensor is suitable for warning devices in garages and workshops, portable CO detectors, monitoring in ventilation systems, or laboratory measurements during the development of fuel-powered prototypes. In environments containing other gases or vapors, the measured values may be affected; therefore, the application must be adapted to the specific use case.\u003c\/p\u003e \u003cp\u003eThe sensor requires a stable 5 V power supply with sufficient current capacity. Before the first measurement, it must be calibrated in fresh air by recording the output voltage value under known air-quality conditions. The measured values are not linear across the entire range but follow a logarithmic characteristic curve, so a characteristic-curve table or calibration procedure is required.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe sensor is intended exclusively for building prototypes and for testing and development purposes and is not suitable as a replacement for approved gas detection systems. For measurement tasks that affect personal safety, the determined values must be checked by a qualified electrician. The sensor is not intended for direct installation in household electrical circuits.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x MQ-9 - sensor for carbon monoxide and combustible gases\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997824917853,"sku":"F23108555","price":3.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mq-9-sensor-fuer-kohlenmonoxid-und-brennbare-gase-funduino-2531664.png?v=1791493594"},{"product_id":"a3144-hall-sensor-modul-mit-jst-xh2-54-3p-buchse","title":"A3144 Hall sensor module - JST-XH 3-pin, 3.3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHall sensor module for measuring magnetic field strength\u003c\/li\u003e \u003cli\u003eDigital output signal triggered by magnetic fields\u003c\/li\u003e \u003cli\u003eJST-XH connector for plug-in connections\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 V to 5 V\u003c\/li\u003e \u003cli\u003eLow current consumption during active operation\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA Hall sensor module detects magnetic fields and outputs a digital switching signal as soon as the field strength exceeds a threshold. The output signal can be connected directly to microcontroller boards that support both 3.3 V and 5 V logic.\u003c\/p\u003e \u003cp\u003eThe module operates with two thresholds: a magnetic field switches the output, and moving away from the field resets the switching state. This type of hysteresis prevents chatter at weak field boundaries. The JST-XH connector enables secure plug-in connections without soldering directly to the sensor.\u003c\/p\u003e \u003cp\u003eThese Hall sensors are suitable for contactless proximity switches, for example to detect magnetic poles on moving parts such as doors, sliders, or rotating shafts. They can also be used to build tachometers for motor-driven systems when a magnet marks the shaft.\u003c\/p\u003e \u003cp\u003eMatching connectors may be required for plug-in connections if they are not already available. Operation requires a power supply in the range of 3.3 V to 5 V, which must be provided separately.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis module is not intended for installation in household electrical circuits and is intended exclusively for prototyping, testing, and development purposes. For applications near household electrical installations, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x A3144 - Hall Sensor Module with XH2.54 3P Socket\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997828260189,"sku":"F23108983","price":3.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/a3144-hall-sensor-modul-mit-jst-xh254-3p-buchse-funduino-2750725.jpg?v=1791494025"},{"product_id":"gy-530-vl53l0x-time-of-flight-tof-sensor","title":"GY-530 VL53L0X laser distance sensor - ToF up to 2 m, I2C","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eLaser distance sensor with Time of Flight measurement\u003c\/li\u003e \u003cli\u003eMeasuring range up to 2 m\u003c\/li\u003e \u003cli\u003eTypical accuracy of 3 percent\u003c\/li\u003e \u003cli\u003eConnection via I2C bus\u003c\/li\u003e \u003cli\u003eOperating voltage 2.8 to 3.6 V\u003c\/li\u003e \u003cli\u003eEquipped with breakout board and pin headers\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe sensor measures distances using infrared Time of Flight measurement and is suitable for obstacle detection, distance measurement in robots, and fill-level monitoring. The Time of Flight method emits short light signals and calculates the distance from their travel time, regardless of the surface of the measured object.\u003c\/p\u003e \u003cp\u003eThe sensor operates with voltages between 2.8 and 3.6 V and outputs the measured values via an I2C bus. This enables multiple sensors to be read in parallel on a microcontroller board without requiring additional connection wires. Measurements are performed without external calibration.\u003c\/p\u003e \u003cp\u003eIn the close range up to approximately 2 m, the sensor achieves a typical accuracy of 3 percent, making it suitable for indoor applications such as door activation, proximity detection in automated systems, or distance control in robotics projects. Contactless measurement of fill levels in containers is also possible.\u003c\/p\u003e \u003cp\u003eThe breakout board connects directly to a 3.3 V microcontroller; a level shifter is required when using 5 V logic. Operation requires only a power supply within the specified voltage range and an I2C connection.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe sensor is not intended for installation in household electrical circuits and is intended exclusively for building prototypes and for testing and development purposes. When working on or near electrical installations, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* GY-530 VL53L0X - Time of Flight, ToF sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997830619485,"sku":"F23106981","price":12.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gy-530-vl53l0x-time-of-flight-tof-sensor-funduino-8963454.png?v=1791493152"},{"product_id":"gy-213v-hdc1080-temperatur-und-feuchtigkeitssensor","title":"GY-213 V HDC1080 temperature and humidity sensor - I2C, 3.3 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital temperature and humidity sensor for prototypes and measurement projects\u003c\/li\u003e \u003cli\u003eTemperature measurement range -40 to 85 °C, accuracy ±0.2 °C\u003c\/li\u003e \u003cli\u003eHumidity measurement range 0 to 100% relative humidity, accuracy ±3%\u003c\/li\u003e \u003cli\u003eI2C interface, addressable for multiple modules on one bus\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 V\u003c\/li\u003e \u003cli\u003eCompact design with a 0.5 * 0.5 cm sensor IC\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA combined temperature and humidity sensor with an I2C interface enables reliable measurements in prototypes and development projects. The sensor measures both values via a single digital output and provides calibrated readings without additional signal conditioning.\u003c\/p\u003e \u003cp\u003eThe high accuracy of ±0.2 °C for temperature measurement and ±3% for humidity measurement makes the module suitable for precise applications. The wide temperature range of −40 to 85 °C also covers extreme conditions. Since the readings are already available digitally, no analog evaluation is required.\u003c\/p\u003e \u003cp\u003eSeveral sensors can be operated in parallel on a microcontroller via the I2C interface without requiring additional connection lines. Typical applications include room climate measurements in automation projects, monitoring storage conditions for temperature-sensitive materials, and humidity control in enclosures and boxes. The sensor is also used in mobile data loggers.\u003c\/p\u003e \u003cp\u003eThe module requires an operating voltage of 3.3 V. When connecting it to 5 V systems, a level shifter for the I2C signals is required. Control is carried out using the standard I2C libraries of common microcontroller platforms. Calibration before commissioning is not required.\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 integration into household electrical circuits. A qualified electrician is required when working on or near electrical installations. If in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x GY 213V HDC1080 temperature and humidity sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997830652253,"sku":"F23106532","price":5.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gy-213v-hdc1080-temperatur-und-feuchtigkeitssensor-funduino-9151308.png?v=1791493149"},{"product_id":"funduino-sensor-kit-35-teilig","title":"Funduino sensor kit - 35 pieces with German instructions","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eComprehensive sensor set with 35 components for microcontroller projects\u003c\/li\u003e \u003cli\u003eTemperature sensor, light sensor, vibration sensor, humidity sensor, and other sensors\u003c\/li\u003e \u003cli\u003eCompatible with common single-board computers and microcontroller boards\u003c\/li\u003e \u003cli\u003eDesigned for connections via jumper wires and breadboards\u003c\/li\u003e \u003cli\u003eGerman documentation and example sketches included\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA sensor set with 35 components enables a quick introduction to sensor-based control with microcontrollers. The set contains temperature sensors for detecting changes in heat, light sensors for detecting brightness, humidity sensors, and various other measuring devices. All sensors operate according to simple physical principles and output their measured values as electrical signals that the microcontroller can evaluate.\u003c\/p\u003e \u003cp\u003eThe individual sensors connect to the controlled board via jumper wires and sockets. Since the sensors have different voltage-range and interface requirements, check which levels your own board provides before connecting them. A breadboard is included; an external power supply is not required as long as the controlled board has its operating voltage.\u003c\/p\u003e \u003cp\u003eTypical applications include environmental monitoring, in which temperature and humidity in stored goods or test setups are continuously recorded, as well as simple threshold alarms for activating relays or buzzers. The sensors can also be used to create night lights or trigger cameras when motion is detected. In prototyping, they are used for quickly validating concepts before specialized custom-made sensors are integrated.\u003c\/p\u003e \u003cp\u003eThe included documentation explains the electrical values and interfaces of the individual components. Level shifters are required for boards with different voltage levels. A power supply is not required if the main board is powered by an existing power source.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eWhen handling sensors, ensure correct polarity and interface compatibility. The set is intended exclusively for building prototypes, test setups, and development purposes and is not designed for integration into household electrical circuits or permanent installations. If you have questions about safely connecting it to existing systems, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Plastic storage case\u003c\/li\u003e \u003cli\u003e1* Joystick\u003c\/li\u003e \u003cli\u003e1* Flame sensor\u003c\/li\u003e \u003cli\u003e1* RGB LED\u003c\/li\u003e \u003cli\u003e1* Heart rate sensor\u003c\/li\u003e \u003cli\u003e1* Hall sensor\u003c\/li\u003e \u003cli\u003e1* Relay\u003c\/li\u003e \u003cli\u003e1* Linear Hall sensor\u003c\/li\u003e \u003cli\u003e1* SMD RGB LED\u003c\/li\u003e \u003cli\u003e1* 7-color flashing LED\u003c\/li\u003e \u003cli\u003e1* DS18B20 temperature sensor\u003c\/li\u003e \u003cli\u003e1* Microphone sensor (high sensitivity)\u003c\/li\u003e \u003cli\u003e1* Touch sensor\u003c\/li\u003e \u003cli\u003e1* Bi-color LED\u003c\/li\u003e \u003cli\u003e1* Laser\u003c\/li\u003e \u003cli\u003e1* Tilt sensor\u003c\/li\u003e \u003cli\u003e1* Analog temperature sensor\u003c\/li\u003e \u003cli\u003e1* Microphone sensor (low sensitivity)\u003c\/li\u003e \u003cli\u003e1* Digital temperature sensor\u003c\/li\u003e \u003cli\u003e1* Bi-color LED\u003c\/li\u003e \u003cli\u003e1* Push button\u003c\/li\u003e \u003cli\u003e1* Photoresistor\u003c\/li\u003e \u003cli\u003e1* IR transmitter\u003c\/li\u003e \u003cli\u003e1* IR receiver\u003c\/li\u003e \u003cli\u003e1* Line follower\u003c\/li\u003e \u003cli\u003e1* Active speaker (piezo)\u003c\/li\u003e \u003cli\u003e1* Reed sensor\u003c\/li\u003e \u003cli\u003e1* Vibration sensor\u003c\/li\u003e \u003cli\u003e1* DHT11 temperature and humidity sensor\u003c\/li\u003e \u003cli\u003e1* Proximity sensor\u003c\/li\u003e \u003cli\u003e1* Passive speaker\u003c\/li\u003e \u003cli\u003e1* Mini reed sensor\u003c\/li\u003e \u003cli\u003e1* Rotary encoder\u003c\/li\u003e \u003cli\u003e1* Analog Hall sensor\u003c\/li\u003e \u003cli\u003e1* Vibration sensor\u003c\/li\u003e \u003cli\u003e1* Light barrier\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997831111005,"sku":"F23110066","price":19.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/funduino-sensor-kit-35-teilig-funduino-2991050.jpg?v=1791493640"},{"product_id":"gy-906-mlx90614-infrarot-thermometer","title":"GY-906 MLX90614 infrared thermometer - non-contact, -40 to 125 °C","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eContactless infrared thermometer for measuring surface temperatures\u003c\/li\u003e \u003cli\u003eMeasuring range: minus 40 to plus 125 degrees Celsius\u003c\/li\u003e \u003cli\u003eAccuracy: plus\/minus 0.5 degrees Celsius\u003c\/li\u003e \u003cli\u003eOutput via I2C interface\u003c\/li\u003e \u003cli\u003eOperating voltage: 3.3 V to 5 V\u003c\/li\u003e \u003cli\u003eCompact design for integration into projects\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis infrared thermometer measures surface temperatures without contact and is suitable for measurement tasks where the sensor cannot or should not come into direct contact with the object. The sensor detects the infrared radiation emitted by objects and calculates the temperature from it. Since the measurement result is not affected by surface roughness and the thermometer itself emits no heat, it also works reliably with objects whose temperature would be difficult to measure using other methods.\u003c\/p\u003e \u003cp\u003eThe sensor communicates with microcontroller boards via the I2C bus, allowing multiple sensors to be operated on the same bus line without exhausting the board's available connections. The 3.3 V or 5 V supply voltage is provided directly by the microcontroller, so no separate power supply is required.\u003c\/p\u003e \u003cp\u003eTypical applications include monitoring the temperature of machines and assemblies, measuring surface temperatures in laboratory setups and heating or cooling processes, where contactless measurement prevents contamination or damage to the object being measured. The module is also suitable for detecting excessive heat accumulation, for example in electronics housings, or for monitoring temperature gradients.\u003c\/p\u003e \u003cp\u003eThe thermometer operates in a range from minus 40 to plus 125 degrees Celsius with an accuracy of plus\/minus 0.5 degrees Celsius. Measurement accuracy decreases at very low or extremely high temperatures, so the application should remain within the specified range. The sensor requires a microcontroller board with I2C support and a suitable software library for reading the measured values.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe sensor is not suitable for operation in household electrical circuits and is intended exclusively for building prototypes and for testing and development purposes. The infrared thermometer operates at voltages below mains voltage; work on or in the immediate vicinity of electrical installations must be carried out by qualified electricians.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* GY-906 MLX90614 - Infrared thermometer\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997831274845,"sku":"F23108552","price":16.93,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gy-906-mlx90614-infrarot-thermometer-funduino-3086385.png?v=1791493159"},{"product_id":"lm35-temperatursensor-mit-xh2-54-3p-buchse","title":"LM35 temperature sensor - analog, -55 to +150 °C, XH2.54 3P","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAnalog temperature sensor with calibrated output voltage\u003c\/li\u003e \u003cli\u003eMeasuring range −55 °C to +150 °C\u003c\/li\u003e \u003cli\u003eAccuracy ±0.5 °C\u003c\/li\u003e \u003cli\u003ePower consumption maximum 60 mA\u003c\/li\u003e \u003cli\u003eXH2.54 3P socket for a secure plug connection\u003c\/li\u003e \u003cli\u003eLinear voltage-temperature relationship with no calibration required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis temperature sensor converts heat directly into proportional voltage values. The sensor requires a power supply between 4 V and 30 V and outputs a voltage at its output pin that corresponds to the measured temperature, with each Kelvin corresponding to a voltage change of 10 mV. This allows microcontroller boards with an analog input to read temperatures directly without complicated conversions.\u003c\/p\u003e \u003cp\u003eThe measurement remains reliable across the temperature range of −55 °C to +150 °C with an accuracy of ±0.5 °C. The voltage output allows direct connection to most common development boards, provided their supply voltage is within the operating range. Power consumption remains low at a maximum of 60 mA.\u003c\/p\u003e \u003cp\u003eThe XH2.54 3P socket enables quick plug connections without soldering. This is particularly useful in prototypes and test setups where sensors are frequently replaced or repositioned. Typical applications include temperature monitoring in electronics projects, measurement data acquisition for ambient climate control, laboratory setups for investigating heat conduction, or temperature control in homemade incubators.\u003c\/p\u003e \u003cp\u003eThe sensor's power supply must be provided separately and is outside the typical 5 V or 3.3 V logic voltages of microcontroller boards. When used with 3.3 V logic inputs, the voltage output signal must be routed through a level shifter to prevent damage.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis sensor is intended exclusively for building prototypes and for testing and development purposes. It is not suitable for installation in household electrical circuits or in devices designed for mains voltage operation. If you are unsure about the operating voltage or wiring, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x LM35 - temperature sensor with XH2.54 3P socket\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997837828445,"sku":"F23109051","price":5.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/lm35-temperatursensor-mit-xh254-3p-buchse-funduino-1289913.png?v=1791493634"},{"product_id":"infrarot-sensor-modul-ky-032-abstandssensor-lichtschranke","title":"KY-032 infrared sensor - distance sensor 2-30 cm, 3.3-5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eInfrared distance sensor with digital output for obstacle detection\u003c\/li\u003e \u003cli\u003eMeasuring range of approximately 2 to 30 cm\u003c\/li\u003e \u003cli\u003eOperating voltage of 3.3 to 5 V, directly compatible with microcontroller boards\u003c\/li\u003e \u003cli\u003eDigital output signal with adjustable threshold\u003c\/li\u003e \u003cli\u003eNarrow sensor module for confined installation spaces\u003c\/li\u003e \u003cli\u003eSurface mounting possible without soldering\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eAn infrared distance sensor detects obstacles using reflected light beams in the near-infrared range. The module provides a digital output that switches between Low and High when an object is detected. The threshold can be adjusted using a trim potentiometer to adapt the sensitivity and detection distance to specific requirements.\u003c\/p\u003e \u003cp\u003eThe sensor requires only three connections: power supply, ground, and a digital input pin on the microcontroller. With a measured distance range of approximately 2 to 30 centimetres, it is suitable for nearby objects; measurements beyond this range are not intended. Sensitivity depends on the reflective properties of the material; dark, non-reflective surfaces are detected later than light ones.\u003c\/p\u003e \u003cp\u003eTypical applications include obstacle detection in robotics, object positioning in automated shelves, or fill-level monitoring in containers. Another example is door monitoring in model projects, where the sensor indicates when someone passes through an entrance. The module is also suitable for line following with mobile robots, as multiple sensors can be connected in parallel.\u003c\/p\u003e \u003cp\u003ePowering the module through the microcontroller is sufficient for operation, so no additional power supply is required. The module is usually supplied with pin headers and is designed for a 0.1-inch pitch, making it compatible with standard breadboards. For voltage-sensitive designs, note that the sensor draws approximately 20 to 30 milliamperes during active operation.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe sensor contains an infrared LED that should not be viewed directly. The module is intended exclusively for building prototypes and for testing and development purposes, and is not intended for installation in production devices or household electrical circuits.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Infrared sensor module  KY-032\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997838975325,"sku":"F23107609","price":2.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/infrarot-sensor-modul-ky-032-abstandssensor-lichtschranke-funduino-9015648.png?v=1791493629"},{"product_id":"gy-33-tcs34725-farbsensor-modul-ersetzt-tcs230-tcs3200","title":"GY-33 color sensor - TCS34725, RGB via I2C, 3.3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eColor sensor for detecting red, green, and blue components (RGB) in reflection\u003c\/li\u003e \u003cli\u003eVisible-spectrum measurement range, color resolution with 16 color channels\u003c\/li\u003e \u003cli\u003eI2C interface, addressable even when multiple modules are connected to the same bus\u003c\/li\u003e \u003cli\u003eOperating voltage of 3.3 V or 5 V, with level tolerance for both logic families\u003c\/li\u003e \u003cli\u003eIntegrated IR filter reduces infrared interference\u003c\/li\u003e \u003cli\u003eDigital output, no calibration required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA color sensor based on the TCS principle detects the intensity of the red, green, and blue components of an illuminated surface and outputs the measured values digitally. The GY-33 module uses the I2C interface, allowing multiple modules to be connected in parallel without requiring additional connection lines. The voltage can be either 3.3 V or 5 V, and the module works reliably with both logic levels.\u003c\/p\u003e \u003cp\u003eThe sensor measures reflection, meaning it only responds to the light that is reflected back from a surface. An integrated IR filter suppresses infrared radiation that could distort the measured values. The 16 color channels enable fine-grained detection of color gradations. Digital measured values are available directly from the module, and calibration is not required.\u003c\/p\u003e \u003cp\u003eApplications range from material sorting, such as separating different plastic colors, to lighting control and color value detection in laboratories and prototypes. RGB detection is also used in autonomous vehicles to identify road markings or traffic lights. The sensor only measures reliably at short distances; it is not designed for large-area color control over several meters.\u003c\/p\u003e \u003cp\u003eConnection requires only four wires (power, ground, SDA, SCL). A microcontroller with an I2C port and a control library are required. For operation with 3.3 V boards, the 5 V power supply can be provided separately; with 5 V boards, both power supplies can be combined. The respective microcontroller datasheets specify the requirements.\u003c\/p\u003e \u003ch3\u003eSafety Notice\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 electrical circuits. If you have questions about integration into power supplies or about supplying the correct voltage, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x GY-33 TCS34725 color sensor module (replaces TCS230 TCS3200)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997840187741,"sku":"F23106473","price":11.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gy-33-tcs34725-farbsensor-modul-ersetzt-tcs230-tcs3200-funduino-1945216.png?v=1791494067"},{"product_id":"uv-sensor-uvm30a","title":"UVM30 A UV sensor - up to 20 mW\/cm², analog 0-2 V, 3-5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUV-A and UV-B sensor for measuring ultraviolet radiation\u003c\/li\u003e \u003cli\u003eMeasuring range up to 20 mW\/cm²\u003c\/li\u003e \u003cli\u003eAnalog output 0 to 2 V\u003c\/li\u003e \u003cli\u003eOperating voltage 3 to 5 V\u003c\/li\u003e \u003cli\u003eConnection to microcontroller boards via an analog-to-digital converter\u003c\/li\u003e \u003cli\u003eSmall sensor area mounted on a stable circuit board\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA UV sensor measures ultraviolet radiation and outputs the measured values as an analog voltage signal. The module detects both UV-A and UV-B radiation up to 20 mW\/cm², responding to radiation intensities in the practically relevant range. The analog output of 0 to 2 V is connected directly to the analog-to-digital converter of a microcontroller board.\u003c\/p\u003e \u003cp\u003eThe operating voltage between 3 and 5 V enables operation with various electronics platforms without requiring voltage converters. The module continuously provides current measured values; calibration at startup is not necessary.\u003c\/p\u003e \u003cp\u003eThe sensor is suitable for outdoor UV monitoring, for example for warnings in the event of high radiation exposure, as well as for laboratory setups involving photochemical processes and sensor-controlled systems for UV curing applications. The module can also be used as a component in portable UV index displays.\u003c\/p\u003e \u003cp\u003ePower consumption remains low, making battery-powered projects possible as well. A separate power supply is not required; the microcontroller board itself supplies the operating voltage. The datasheet provides all the necessary information on the output characteristics at different wavelengths.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is not intended for installation in household electrical circuits and is intended solely for creating prototypes and for testing and development purposes. Work on or immediately next to household electrical installations must be carried out by a qualified electrician; if you are unsure about integrating the module into existing systems, consult a qualified electrician before commissioning it. Ultraviolet radiation can damage the skin and eyes in the event of direct exposure.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x UV sensor - UVM30A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844119901,"sku":"F23106967","price":7.2,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/uv-sensor-uvm30a-funduino-5861829.png?v=1791493190"},{"product_id":"hx711ad-wagedrucksensor-mit-wagezelle-3kg-gewichtsmessung","title":"HX711AD Load Sensor - 3 kg load cell, 24-bit ADC, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital pressure sensor with integrated 3-kg load cell\u003c\/li\u003e \u003cli\u003e24-bit ADC converter for high-resolution measurements\u003c\/li\u003e \u003cli\u003eSerial interface (UART) for data transmission\u003c\/li\u003e \u003cli\u003eOperating voltage 5 V, external power supply required\u003c\/li\u003e \u003cli\u003eCalibration required; reference weight needed\u003c\/li\u003e \u003cli\u003eCompact module design for prototype development\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe HX711AD is a weighing sensor with an attached load cell that detects weights of up to 3 kg and outputs them digitally. The 24-bit analog-to-digital converter generates high-resolution measurements and transmits them serially to connected devices. This allows you to build scales, portioning devices, and load monitoring systems that require accurate weight displays.\u003c\/p\u003e \u003cp\u003eThe device operates with a 5 V supply voltage and must be calibrated before it can provide measurements. A known reference weight is required for this purpose to calibrate the sensor to the physical weighing platform. The serial interface connects the sensor to microcontroller boards; a standard UART connection enables communication without additional special adapters.\u003c\/p\u003e \u003cp\u003eThe sensor is suitable for laboratory scales in student experiments, feeding machines that dispense precise portions, and container fill-level monitoring in prototypes. It can also be used in robotics when robot arms need to be load-sensitive. Measurements below 100 grams are reliably detected.\u003c\/p\u003e \u003cp\u003eA separate 5 V power supply is required for operation. The load cell must be protected from moisture and mechanical shock, as it consists of delicate components. Measurements above 3 kg are not possible; overloading will damage the cell.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe load cell must not get wet and must be protected from weights exceeding 3 kg. The module is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in the household power supply. If you have questions about integrating it into existing systems, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x HX711AD pressure sensor with load cell - 3kg - weight measurement\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844971869,"sku":"F23106478","price":5.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/hx711ad-waegedrucksensor-mit-waegezelle-3kg-gewichtsmessung-funduino-7140820.jpg?v=1791494735"},{"product_id":"membran-drucksensor-0-0-5kg-gewichtsmessung","title":"Membrane pressure sensor - weight measurement 0-0.5 kg, analog","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePressure sensor for weight measurement with a measuring range of up to 5 kg\u003c\/li\u003e \u003cli\u003eAnalog voltage output, scalable to the measuring range and evaluation electronics\u003c\/li\u003e \u003cli\u003eDiaphragm design with comparatively high accuracy and a long service life\u003c\/li\u003e \u003cli\u003eFor prototypes and measurement systems with moderate temperature stability requirements\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA pressure sensor with a diaphragm design detects weights of up to 5 kg and outputs the measured values as an analog voltage. The sensing element responds to mechanical pressure and converts it proportionally into an electrical signal. The analog output requires an analog-to-digital converter or a microcontroller with an ADC input for further processing.\u003c\/p\u003e \u003cp\u003eThe diaphragm design enables repeated measurement cycles without wear and offers a favorable balance between measurement accuracy and cost. Calibration is necessary to adjust the sensor to the specific evaluation range, such as a standard voltage interval between 0 and 5 V. The output voltage can then be converted into kilograms or other weight units in software.\u003c\/p\u003e \u003cp\u003eThe sensor is suitable for laboratory and field scales, inventory control with weight thresholds, and robotics and automation projects that need to detect local weights. It can also be used in simple test rigs where the same weight is checked repeatedly.\u003c\/p\u003e \u003cp\u003eOperation requires a stable power supply for the sensor itself and suitable evaluation electronics. Digital or high-resolution measurement values are only obtained by connecting the sensor to an ADC channel of a microcontroller. Temperature changes can affect the measured values, so temperature compensation is recommended for critical applications. Mechanical overloading above 5 kg must be avoided to preserve sensor functionality and service life.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe sensor is not intended for installation in household electrical circuits and is exclusively intended 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 or signal evaluation, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Diaphragm pressure sensor - 0 - 0.5KG - weight measurement\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997849952605,"sku":"F23106985","price":6.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/membran-drucksensor-0-05kg-gewichtsmessung-funduino-5510303.png?v=1791493718"},{"product_id":"feuchtigkeitssensor-analog-und-digital","title":"Capacitive moisture sensor - analog and I2C, 3.3-5.5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCapacitive humidity sensor with analog and digital output interfaces\u003c\/li\u003e \u003cli\u003eMeasuring range from 0 to 100 percent relative humidity\u003c\/li\u003e \u003cli\u003eAnalog output from 0 to 3.3 volts for direct level readings\u003c\/li\u003e \u003cli\u003eI2C interface for serial data transmission with multiple sensors on one bus\u003c\/li\u003e \u003cli\u003eOperating voltage from 3.3 to 5.5 volts, with voltage regulator for a wide input voltage range\u003c\/li\u003e \u003cli\u003eCalibration-free operation with factory-calibrated readings\u003c\/li\u003e \u003cli\u003eSmall SMD design for space-saving integration into circuits\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA capacitive humidity sensor with dual interfaces measures relative humidity and provides the readings in two ways. The analog output supplies voltages between zero and 3.3 volts and is suitable for direct readout by analog-to-digital converters; the I2C bus, on the other hand, enables multiple sensors to operate on one line, significantly reducing the number of required connection pins.\u003c\/p\u003e \u003cp\u003eThe sensing element uses the change in capacitance as humidity increases. Factory calibration eliminates the need for adjustment, allowing the module to operate immediately after connection without calibration. Operating voltages between 3.3 and 5.5 volts are handled by the integrated regulator, enabling use with various power supply configurations.\u003c\/p\u003e \u003cp\u003eTypical applications include climate monitoring in storage or living areas, with measurement resolution across the full range from zero to 100 percent relative humidity, as well as soil moisture measurements in horticulture or agriculture. Where a fast response to humidity changes is required, such as in drying processes or material moisture monitoring, the two outputs prevent delays caused by protocol overhead.\u003c\/p\u003e \u003cp\u003eFor operation via the analog output, a microcontroller with an A\/D converter and three connections is sufficient; for I2C use, only a two-wire data connection is required in addition to the power supply. Level shifting for 5-volt logic on the data line is required only when operating with a sensor supply voltage of 3.3 volts; it is not needed when the sensor is supplied with 5 volts.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe sensor is not intended for installation in household mains circuits and is exclusively designed for building prototypes and for testing and development purposes. Work on or near electrical installations must be carried out by qualified electricians; if you are unsure about the correct level shifting or operating voltage, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eHumidity sensor\u003c\/li\u003e \u003cli\u003eBreakout board\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997854277981,"sku":"F23106523","price":5.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/feuchtigkeitssensor-analog-und-digital-funduino-8741897.png?v=1791494087"},{"product_id":"stromstarkesensor-allegro-50a-acs758-acs758-lcb-050b-pff-t-bidirektional","title":"ACS758 current sensor - bidirectional, 50 A, 100 mV\/A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHall-based current sensor for measuring direct current up to 50 amperes\u003c\/li\u003e \u003cli\u003eAnalog voltage output calibrated to 100 mV per ampere\u003c\/li\u003e \u003cli\u003eOperating voltage of 3.3 to 5.5 volts\u003c\/li\u003e \u003cli\u003eCommon plug connection for 1.4 mm conductor cross-sections in the current path\u003c\/li\u003e \u003cli\u003eBuilt-in low-pass filtering to reduce noise\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA Hall-based current sensor enables precise measurement of direct currents up to 50 amperes without an ohmic shunt resistor in the current path. The module measures the magnetic field strength around a current-carrying conductor and outputs the current as a proportional voltage.\u003c\/p\u003e \u003cp\u003eThe output voltage is 100 millivolts per ampere and can be connected directly to the analog input of a microcontroller. The wide operating voltage range of 3.3 to 5.5 volts eliminates the need to adapt to different logic levels. The component already includes a filter circuit that suppresses high-frequency interference and provides stable measurement values.\u003c\/p\u003e \u003cp\u003eThe current sensor is suitable for applications such as monitoring batteries and power supplies in robotics projects, controlling motor currents in high-performance drives, or measuring load profiles in decentralized power grids. A particular advantage is the ability to detect overcurrents and then trigger switching actions without interrupting the measurement path.\u003c\/p\u003e \u003cp\u003eOperation requires only the sensor's power supply and a connection to the controller's analog input. The current path is established via the soldered connections for wires with cross-sections of up to 1.4 millimeters; adapters must be obtained for thicker cables.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe current sensor is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in household electrical circuits. Work on or near electrical installations must be carried out by qualified electricians. For current loads exceeding the specified range or if there is any uncertainty about the current path, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997856473437,"sku":"F23108572","price":8.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/stromstaerkesensor-allegro-50a-acs758-acs758-lcb-050b-pff-t-bidirektional-funduino-5306246.jpg?v=1791493204"},{"product_id":"ky-031-klopfsensor-stosssensor","title":"KY-031 knock sensor - analog output 0-5 V, adjustable","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMechanical switch for detecting knocks, impacts, and vibrations\u003c\/li\u003e \u003cli\u003eAnalog output of 0 to 5 V on one pin\u003c\/li\u003e \u003cli\u003eTrigger threshold adjustable via potentiometer\u003c\/li\u003e \u003cli\u003eReady to use, no calibration required\u003c\/li\u003e \u003cli\u003eDimensions 32 * 24 mm, three connections for VCC, GND, and signal\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe knock sensor detects mechanical shocks and vibrations using a spring-loaded contact. The analog voltage at the signal output ranges from 0 to 5 V and changes with the intensity of the impact. The threshold at which the module responds can be adjusted using a potentiometer, allowing the sensor to be adapted to different sensitivity requirements.\u003c\/p\u003e \u003cp\u003eThe module operates at a supply voltage of 5 V and therefore requires direct compatibility with 5-V logic systems such as standard Arduino boards or similar platforms. Since the output voltage is analog, multiple impact intensities per second can be detected and evaluated without measurements overwriting one another. Adjusting the potentiometer makes it possible to filter out interference from slight vibrations and register only actual impacts.\u003c\/p\u003e \u003cp\u003eApplications include detecting knocks on doors, monitoring vibrations in machinery, or detecting unwanted movement in installed devices. A portable project could combine this sensor with a portable microcontroller board to build an impact detector that triggers an acoustic signal when a fall is detected.\u003c\/p\u003e \u003cp\u003eOperation requires only a 5-V power source, such as the board itself or a separate power supply. The sensor is suitable for prototypes and testing purposes; permanent installation on doors or other components requires mechanical fastening, which is not specified in the supplied documentation.\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 use in critical or safety-relevant systems without further evaluation. Although it operates at a safe voltage, a qualified electrician should be consulted if there are questions about integrating it into larger systems or if it is to be used near existing electrical installations.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x KY-031 - Knock sensor, impact sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997856604509,"sku":"F23106477","price":1.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ky-031-klopfsensor-stosssensor-funduino-6019997.png?v=1791494755"},{"product_id":"stabthermometer-lebensmittelthermometer-mit-lcd","title":"Probe thermometer - backlit LCD, -50 to +200 °C","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital probe thermometer for measuring the temperature of food\u003c\/li\u003e \u003cli\u003eMeasurement range -50 °C to +200 °C\u003c\/li\u003e \u003cli\u003eAccuracy ±1 °C\u003c\/li\u003e \u003cli\u003eLCD display with backlight\u003c\/li\u003e \u003cli\u003eFood-safe stainless steel probe\u003c\/li\u003e \u003cli\u003eFast measurement within 3–5 seconds\u003c\/li\u003e \u003cli\u003eOperates with two AA batteries\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA digital probe thermometer enables fast and reliable temperature measurements in meat, fish, poultry, and other foods. The robust stainless steel probe easily penetrates the food and measures the core temperature without damaging it. The backlit LCD display shows the result after just a few seconds, eliminating long waits during cooking.\u003c\/p\u003e \u003cp\u003eThe measurement range of –50 °C to +200 °C covers all preparation temperatures, from frozen food to hot oil or boiling broth. The accuracy of ±1 °C is sufficient for safe cooking levels and food hygiene, without the need for recalibration. In the kitchen, the thermometer can be quickly inserted into the food and read immediately.\u003c\/p\u003e \u003cp\u003eWhen grilling, the thermometer indicates whether the steak is still rare inside or already well done. During sous vide cooking, it checks the constant water-bath temperature. It is also useful when baking, for example, to check the temperature of egg custards. It is even suitable for quick measurements in liquids such as tea or soup.\u003c\/p\u003e \u003cp\u003eTwo AA batteries are required for operation. The probe should be rinsed and carefully dried after use. The device is intended exclusively for measuring food temperatures and is not suitable for medical measurements or industrial processes.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis thermometer must not be used to measure body temperature or in medical applications. It is intended for private households and food preparation. Do not hold the probe in flames and protect it from impacts; despite being made of stainless steel, the tip can be damaged.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x TP101 probe thermometer, food thermometer with LCD\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997856637277,"sku":"F23107195","price":2.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/stabthermometer-lebensmittelthermometer-mit-lcd-funduino-1959138.png?v=1791494748"},{"product_id":"spannungsmessgerat-und-stromstarkemessgerat-in-einem-modul-100v-10a","title":"Voltage and current measurement module - 100 V, 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital handheld meter for DC voltage and DC current\u003c\/li\u003e \u003cli\u003eVoltage measurement range: 0 to 20 V\u003c\/li\u003e \u003cli\u003eCurrent measurement range: 0 to 10 A\u003c\/li\u003e \u003cli\u003eAccuracy: ±0.5 percent of the measured value\u003c\/li\u003e \u003cli\u003eLCD display with a resolution of 0.01 V or 0.01 A\u003c\/li\u003e \u003cli\u003eBattery-powered with a low-battery warning indicator\u003c\/li\u003e \u003cli\u003eAutomatic and manual range selection\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis digital multimeter measures DC voltages up to 20 V and DC currents up to 10 A with an accuracy of ±0.5 percent. The compact handheld device displays measurement values on an LCD and automatically switches to the appropriate measurement range when needed, but it can also be set manually. This makes it suitable for testing laboratory power supplies, USB ports, battery-powered systems, and power consumption in prototypes.\u003c\/p\u003e \u003cp\u003eVoltage is measured in parallel with the load, while current is measured in series with the test object. The input resistance is sufficiently high that the measurement does not significantly distort the circuit. The display shows the values immediately after connection, without the need for calibration.\u003c\/p\u003e \u003cp\u003eIn development, the device is used to check power supply modules, for example when testing LED strips or measuring the power consumption of various sensors and controllers. It also helps quickly identify during prototype debugging whether the current flow is showing unexpected values or is completely absent.\u003c\/p\u003e \u003cp\u003eThe device runs on batteries, and the battery indicator provides timely warning when the battery is low. Maximum measurement accuracy is achieved at values above approximately 10 percent of the selected range.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eFor current measurements, the device must be connected in series with the load; incorrect connection or measurements at excessive current levels may damage the device. This meter is intended exclusively for recording measurements on prototypes, laboratory and test power supplies, and battery sources up to 20 V. Do not use it to take measurements on household electrical circuits or even near them; if in doubt, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x voltage and current meter in one module, 100V \/ 10A\u003c\/li\u003e \u003cli\u003e1x connection cable - set\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997859684701,"sku":"F23108537","price":4.66,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/spannungsmessgeraet-und-stromstaerkemessgeraet-in-einem-modul-100v-10a-funduino-4633750.png?v=1791493756"},{"product_id":"15-in-1-sensor-kit-sensor-starter-set-fur-mikrocontroller","title":"Funduino Sensor Kit 15 in 1 - modules for microcontrollers","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSet containing 15 different sensors for electronics projects\u003c\/li\u003e \u003cli\u003eMeasures temperature, humidity, light intensity, motion, distances, and other parameters\u003c\/li\u003e \u003cli\u003eI2C and analog interfaces for broad compatibility with microcontroller boards\u003c\/li\u003e \u003cli\u003eIncludes digital and analog sensors in connector form for prototyping\u003c\/li\u003e \u003cli\u003eMicrocontroller and connection cables not included\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis sensor set includes 15 different modules for measuring environmental parameters and incorporating them into control processes. The selection ranges from classic measuring devices to specialized modules and covers both digital and analog interfaces.\u003c\/p\u003e \u003cp\u003eThe sensors connect to the microcontroller via the I2C bus or analog inputs. This allows multiple modules to be operated simultaneously using just a few connection wires, which is particularly useful with boards that have a limited number of pins and leaves room for additional functions. Analog sensors, on the other hand, use the available ADC inputs and require individual calibration, as each measured value must be interpreted manually.\u003c\/p\u003e \u003cp\u003eTypical projects use the set for weather stations that monitor temperature and humidity, or for security systems with motion detectors and distance sensors. Automatic plant monitoring that checks soil moisture and light intensity, as well as small robots with obstacle detection, are also realistic applications.\u003c\/p\u003e \u003cp\u003eA compatible development board is required for operation. Depending on the sensor type, the individual modules require a power supply of 3.3 or 5 volts, so the board's power source should have sufficient capacity. Connection cables between the board and sensors must be purchased separately.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe set is not intended for installation in household electrical circuits and is intended exclusively for prototypes as well as testing and development purposes. 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 #1 HC-SR04 ultrasonic sensor\u003c\/li\u003e \u003cli\u003e1x #2 HC-SR501 motion detector\u003c\/li\u003e \u003cli\u003e1x #3 tilt sensor\u003c\/li\u003e \u003cli\u003e1x #4 photoelectric sensor\u003c\/li\u003e \u003cli\u003e1x #5 MQ-2 gas sensor\u003c\/li\u003e \u003cli\u003e1x #6 distance sensor\u003c\/li\u003e \u003cli\u003e1x #7 vibration sensor\u003c\/li\u003e \u003cli\u003e1x #8 sound sensor\u003c\/li\u003e \u003cli\u003e1x #9 IR sensor (line follower)\u003c\/li\u003e \u003cli\u003e1x #10 flame sensor\u003c\/li\u003e \u003cli\u003e1x #12 DS3231 RTC module\u003c\/li\u003e \u003cli\u003e1x #13 433Mhz radio transmitter and receiver\u003c\/li\u003e \u003cli\u003e1x #14 DHT11 temperature and humidity sensor\u003c\/li\u003e \u003cli\u003e1x #15 raindrop sensor\u003c\/li\u003e \u003cli\u003e1x #16 moisture sensor for measuring soil moisture\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997863420253,"sku":"F23107399","price":19.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/15-in-1-sensor-kit-sensor-starter-set-fuer-mikrocontroller-funduino-4488508.jpg?v=1791494216"},{"product_id":"hx711-24-bit-ad-wagedrucksensor","title":"HX711 load cell amplifier - 24-bit AD converter, 2.7-5.5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eWeighing module with a 24-bit analog-to-digital converter for pressure sensors\u003c\/li\u003e \u003cli\u003eMeasuring range up to 40 kg depending on sensor calibration\u003c\/li\u003e \u003cli\u003eDigital output via SPI or bit-banging interface\u003c\/li\u003e \u003cli\u003eOperating voltage 2.7 to 5.5 V, low power consumption\u003c\/li\u003e \u003cli\u003eAmplifier and analog-to-digital conversion integrated on the chip\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis 24-bit weighing sensor IC digitizes the analog signals from pressure sensors and load cells directly on the module. The integrated amplifier receives the sensor's weak raw input signal and converts it into digital values, which are transmitted to a microcontroller board via a serial interface. The 24-bit resolution enables precise measurements even with small weight differences.\u003c\/p\u003e \u003cp\u003eTwo to three GPIO pins of a standard microcontroller board such as Arduino, Raspberry Pi, or ESP32 are sufficient for control. The operating voltage of 2.7 to 5.5 V makes the module flexible for use with various control units. Power consumption is in the low milliampere range, supporting battery-powered systems.\u003c\/p\u003e \u003cp\u003eTypical applications include portable kitchen scales, laboratory scales for chemicals or raw materials, and industrial scales for determining mass on conveyor systems. The IC is also widely used in biomass measuring devices and automated dosing systems, where weights are continuously recorded and transmitted to systems without manual reading.\u003c\/p\u003e \u003cp\u003eAn analog pressure sensor or load cell with the correct measuring range, as well as a suitable microcontroller board for digital processing, is required. Calibration must be performed before operation to map the raw values to actual mass measurements. For applications requiring high accuracy, environmental influences such as temperature changes should be taken into account, as they can slightly affect the sensor signal.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is not intended for installation in household mains circuits and is intended exclusively for prototype development, testing, and experimental purposes. Work on or directly adjacent to 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\u003e1* HX711 24-bit AD weighing pressure sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997867057501,"sku":"F23106969","price":2.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/hx711-24-bit-ad-waegedrucksensor-funduino-4902060.png?v=1791494261"},{"product_id":"waveshare-sound-modul-v2-mit-lm386-schallsensor-lautstarkesensor","title":"Waveshare Sound Sensor V2 with LM386 - up to 130 dB, analog, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSound sensor with LM386 amplifier for sound pressure levels up to 130 dB\u003c\/li\u003e \u003cli\u003eAnalog output, directly connectable to a microcontroller ADC\u003c\/li\u003e \u003cli\u003eFrequency range 20 Hz to 20 kHz\u003c\/li\u003e \u003cli\u003eOperating voltage 4 to 5.5 V\u003c\/li\u003e \u003cli\u003eWith potentiometer for adjusting the output level\u003c\/li\u003e \u003cli\u003eCompact design, standard pin header layout\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis sound sensor detects sound pressure levels up to 130 dB using an electret microphone with a downstream differential amplifier. The LM386 IC amplifies the weak microphone signal to levels that can be read directly by a microcontroller ADC, without requiring additional signal-conditioning circuits.\u003c\/p\u003e \u003cp\u003eThe sensor operates in the audio frequency range from 20 Hz to 20 kHz. The analog output signal can be adjusted from 100 mV to 500 mV using the built-in potentiometer, allowing the measured values to be adapted to the controller's input voltage range. Calibration against known reference values is not possible; the module is used as a relative measuring instrument.\u003c\/p\u003e \u003cp\u003eApplications include noise monitoring in music studios and halls, where levels need to be continuously monitored and triggers activated, as well as environmental noise detection for automatic control or alarm activation. It can also be used as an obstacle detection sensor in mobile robots that respond to airborne sound.\u003c\/p\u003e \u003cp\u003eThe operating voltage is between 4 and 5.5 V. The analog output is connected via standard headers and works with common microcontroller boards and single-board computers. No additional power supply is required for operation.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe module must not be connected to the mains circuit. It is intended exclusively for building prototypes and for testing and development purposes. If you have any doubts about compatibility or connection procedures, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x\u0026nbsp;Waveshare Sound Module V2 with LM386 - sound sensor, sound level sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997879279965,"sku":"F23106515","price":6.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/waveshare-sound-modul-v2-mit-lm386-schallsensor-lautstaerkesensor-funduino-7386829.png?v=1791493305"},{"product_id":"laser-lichtschranke-m12jg-30n1-npn-wasserdicht-20-meter","title":"M12JG-30N1 Laser Photoelectric Sensor - NPN, IP67, 30 cm, 10-30 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePhotoelectric barrier with M12 connector design and NPN switching output\u003c\/li\u003e \u003cli\u003eDetection range of up to 30 cm, triggered when the laser beam is interrupted\u003c\/li\u003e \u003cli\u003eWaterproof according to IP67, suitable for damp environments\u003c\/li\u003e \u003cli\u003eConnection via M12 cable connector (5-pin)\u003c\/li\u003e \u003cli\u003eOperating voltage of 10 to 30 V DC\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA laser photoelectric barrier signals when an object interrupts the beam. The model operates with an NPN output and switches a load current of up to 100 mA. The 30 cm detection range is sufficient for compact installations in enclosures or on machines; it cannot cover greater distances.\u003c\/p\u003e \u003cp\u003eThe M12 connection with a 5-pin connector is standard in automation technology. The power supply requires a DC voltage between 10 and 30 V, which must be provided separately. The IP67 waterproof rating makes the photoelectric barrier robust against splash water, moisture, and light soiling, making it suitable for use in wash bays, damp storage areas, or on conveyor belts.\u003c\/p\u003e \u003cp\u003eThe switching output is suitable for directly controlling relays or for input to programmable logic controllers (PLCs). One specific application is monitoring conveyor lines, where the photoelectric barrier detects passing packages and triggers forwarding or a warning.\u003c\/p\u003e \u003cp\u003eOperation requires a regulated DC power source that supplies both the operating voltage and the load current. The connecting cable must be fitted with an M12 plug or socket; standard cables are available from specialist retailers.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eEnsure that the power supply is connected with the correct polarity; reverse polarity will destroy the electronics. The device is intended exclusively for building prototypes and for testing and development purposes, and is not designed for electrical installations. If you have questions about the power supply or integration into existing systems, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eLaser photoelectric barrier M12JG-30N1 - NPN, waterproof, 20 meters, including wall-mounting bracket\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997880590685,"sku":"F23106524","price":13.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/laser-lichtschranke-m12jg-30n1-npn-wasserdicht-20-meter-funduino-7100489.png?v=1791494327"},{"product_id":"gy-271-qmc5883-magnetometer-digitaler-kompass","title":"GY-271 QMC5883 Magnetometer - Digital Compass, I2C, 3.3 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital magnetometer for detecting orientation in space\u003c\/li\u003e \u003cli\u003eMeasurement range ±8 gauss, resolution 1 milligauss per digit\u003c\/li\u003e \u003cli\u003eI2C interface, 3.3 V operating voltage\u003c\/li\u003e \u003cli\u003eSoftware calibration possible\u003c\/li\u003e \u003cli\u003eMounted on a compact breakout board with connection pins\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis magnetometer measures the strength and direction of the Earth's magnetic field, allowing a project's current orientation in space to be determined. The QMC5883 sensor uses the magnetoresistive measurement principle: changes in the magnetic field alter the sensor's resistance, producing digital coordinates along three axes. Because the measurement signal is transmitted via I2C, the module requires only two communication lines; in addition to the power supply, multiple sensors can be connected to the same bus simultaneously.\u003c\/p\u003e \u003cp\u003eThe measurement range of ±8 gauss is sufficient for navigation and orientation detection. The resolution of 1 milligauss per digit enables precise angular measurements. During installation, note that magnetic fields from live cables, ferromagnetic metals, or other electronic components can affect the measurement. Sufficient distance and software calibration can compensate for such interference. The 3.3 V operating voltage requires a level shifter when connecting to 5 V boards.\u003c\/p\u003e \u003cp\u003eThe module is suitable for robots and other mobile systems that need to determine their orientation, as well as for glove or head tracking in motion projects. A quadcopter can use it to detect its current flight direction and make course corrections. The sensor can also be used to detect the horizon position in inclinometers. Its compact design allows installation in confined spaces.\u003c\/p\u003e \u003cp\u003eCommissioning requires a microcontroller board with an I2C interface and the corresponding control software. The sensor is powered by 3.3 V; 5 V systems require a level shifter on the data lines or a compatible board with integrated level conversion.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is not intended for installation in household electrical circuits and is intended exclusively for building prototypes and for testing and development purposes. The 3.3 V operating voltage must not be exceeded to prevent damage. If anything is unclear before commissioning, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x GY-271 QMC5883 - magnetometer, digital compass\u003c\/li\u003e \u003cli\u003e1x pin header\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997922206045,"sku":"F23106489","price":4.61,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gy-271-qmc5883-magnetometer-digitaler-kompass-funduino-2181132.png?v=1791494897"},{"product_id":"halterung-fur-ultraschallsensor-hc-sr04","title":"Mounting bracket for HC-SR04 ultrasonic sensor - plastic, swiveling","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePlastic mount for HC-SR04 ultrasonic sensors\u003c\/li\u003e \u003cli\u003eAttachment to robots and mobile platforms\u003c\/li\u003e \u003cli\u003eAdjustable angle enables flexible sensor alignment\u003c\/li\u003e \u003cli\u003eMounting with M2 threads or adhesive\u003c\/li\u003e \u003cli\u003eRobust design for laboratory environments\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe mount aligns ultrasonic sensors for distance measurement and attaches them to robotic vehicles and other mobile platforms. Its plastic construction holds the sensor module securely, while the adjustable angle adapts the measurement direction to the application.\u003c\/p\u003e \u003cp\u003eThe sensor is inserted into the mount and attached to the platform using an M2 thread. Alternatively, adhesive enables quick temporary mounting. The adjustable angles allow the sensor to be oriented forward, diagonally, or to the side without repositioning the robotic vehicle itself.\u003c\/p\u003e \u003cp\u003eApplications include obstacle detection in driving assistants, where the sensor continuously clears the path, or spatial orientation in exploration robots that map their surroundings. The variable alignment also eliminates the need for separate holes in stationary measuring stations, for example for monitoring fill levels in containers.\u003c\/p\u003e \u003cp\u003eThe mount is compatible with the standard HC-SR04 ultrasonic sensor. No additional power sources are required for operation, as the sensor itself is connected to a digital controller. The plastic construction withstands temperatures between 0 and 50 degrees Celsius; outside this range, its mechanical properties may be impaired.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe mount is intended exclusively for building prototypes and for testing and development purposes. It is not designed for continuous outdoor operation with direct exposure to the elements. During assembly, workers should protect the sensor electronics from electrostatic discharge.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x mount for HC-SR04 ultrasonic sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997925384541,"sku":"F23107630","price":1.12,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/halterung-fuer-ultraschallsensor-hc-sr04-funduino-2054096.png?v=1791494983"},{"product_id":"sw-420-vibrationssensor-neigungssensor","title":"SW-420 vibration sensor - tilt sensor, digital, 3.3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTwo-pole switch that responds to vibration and tilt\u003c\/li\u003e \u003cli\u003eSwitching threshold calibrated at the factory; no adjustment required\u003c\/li\u003e \u003cli\u003eDigital output for direct connection to microcontroller boards\u003c\/li\u003e \u003cli\u003eOperating voltage of 3.3 V to 5 V, making it suitable for common systems\u003c\/li\u003e \u003cli\u003eCompact design with two connections\u003c\/li\u003e \u003cli\u003eCost-effective sensor without additional electronics\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe vibration sensor functions as a mechanical switch that responds to shocks or changes in tilt. Two internal contacts close when a set threshold is exceeded and open again as soon as the movement subsides. The switching threshold is calibrated at the factory and requires no adjustment before operation.\u003c\/p\u003e \u003cp\u003eThe sensor is connected directly to a digital input of the microcontroller or board, with an operating voltage between 3.3 V and 5 V. This allows it to be used with current circuit boards without level shifting. Power consumption is minimal, as a signal is only present when switching.\u003c\/p\u003e \u003cp\u003eTypical applications include detecting vibrations in running motors, triggering alarms in response to shocks, or detecting changes in position. For example, it can be used to monitor a system that is intended to respond to unexpected movements of an object or machine, or it can be integrated as a simple motion detector in prototypes.\u003c\/p\u003e \u003cp\u003eThe sensor requires only two connections and no additional electronics. Please note that the switching threshold is fixed at the factory and cannot be adjusted via software. This sensor is not suitable for applications that require variable sensitivity.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe sensor is not intended for installation in household electrical circuits and is designed 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 integrating it into existing systems, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x SW-420 vibration sensor, tilt sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997931675997,"sku":"F23106475","price":1.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/sw-420-vibrationssensor-neigungssensor-funduino-5713677.png?v=1791494990"},{"product_id":"wasserstandsensor-schwimmschalter-horizontal","title":"Horizontal float switch - water level sensor, 5 V, normally open","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFloat switch for water level detection, horizontally oriented design\u003c\/li\u003e \u003cli\u003eMagnetic switch operating principle, switches when the float rises\u003c\/li\u003e \u003cli\u003eContact, normally open (NO), active at water level\u003c\/li\u003e \u003cli\u003eMaximum operating voltage 5 V\u003c\/li\u003e \u003cli\u003eMaximum current rating 10 mA\u003c\/li\u003e \u003cli\u003eConnection via two-pin header, 2.54 mm pitch\u003c\/li\u003e \u003cli\u003eStainless steel float for corrosion resistance in fresh and brackish water\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA float switch is used for reliable detection of water levels in containers, tanks and open bodies of water. The device uses the buoyancy principle: as the water rises, the stainless steel float rises and actuates an integrated magnetic switch, which closes a contact.\u003c\/p\u003e \u003cp\u003eThe horizontal design is particularly suitable for applications with limited space or when the sensor surface is to be arranged parallel to the water surface. The normally open contact can be connected directly to 5 V logic of a microcontroller board, provided that the current consumption remains below 10 mA. For higher loads, a relay is used as an intermediate stage.\u003c\/p\u003e \u003cp\u003eTypical applications include aquaponics systems for monitoring the fill level of nutrient tanks, automatic irrigation systems that are intended to switch off when there is insufficient water, and emergency systems in laboratories that need to report a change in water level. In model-making scenarios with water tanks, the sensor also enables simple, electronically controlled level monitoring without an external power supply for the sensor itself.\u003c\/p\u003e \u003cp\u003eOperation requires only a voltage source between 0 and 5 V. The float reacts differently depending on the type of water; fresh water and brackish water are unproblematic, while salt water requires regular inspection and cleaning of the float.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis sensor is not designed for installation in domestic water pipes or operation under pressure. The float switch is intended exclusively for prototype development and for testing and demonstration purposes in laboratories, hobby projects and educational institutions. Work on or immediately next to electrical installations may only be carried out by a qualified electrician; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Water level sensor with horizontal float\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997934723421,"sku":"F23106361","price":3.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/wasserstandsensor-schwimmschalter-horizontal-funduino-6564017.png?v=1791493392"},{"product_id":"temperatursensor-lm35-basierend-wasserdicht","title":"LM35 temperature sensor - waterproof, -40 to +110 °C, analog","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAnalog temperature sensor for a range of -40 °C to +110 °C\u003c\/li\u003e \u003cli\u003eOutput voltage of 10 mV per Kelvin, directly proportional to the measured temperature\u003c\/li\u003e \u003cli\u003eWaterproof design with protective cap\u003c\/li\u003e \u003cli\u003eConnection to ADC inputs of microcontrollers or ADC modules\u003c\/li\u003e \u003cli\u003eNo calibration required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis analog temperature sensor measures temperatures from -40 °C to +110 °C and outputs the measured values as a proportional voltage that can be read easily. The output voltage is 10 mV per Kelvin, so a simple mathematical conversion is sufficient without complex calibration routines.\u003c\/p\u003e \u003cp\u003eThe sensor is connected between the power supply and ground and delivers its readings directly to an ADC input of a microcontroller or a separate analog-to-digital converter. The waterproof design also allows measurement tasks in damp environments or in contact with liquids, such as monitoring coolant temperature, measuring in humid environments, or monitoring storage conditions. The lack of calibration requirements saves time during commissioning.\u003c\/p\u003e \u003cp\u003eThe sensor is suitable for temperature alarm systems in aquariums, incubators, or coolers, as well as for data loggers that record temperature profiles over extended periods. Designed for use with 5 V logic, it requires a level shifter for the signal output when operated with 3.3 V boards. Use requires a microcontroller board with ADC functionality; analog signal processing with a specialized ADC module is also possible.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis sensor is intended exclusively for building prototypes and for testing and development purposes, not for installation in household electrical circuits. Qualified electricians must be consulted when working on or near electrical installations; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997935575389,"sku":"F23107318","price":5.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/temperatursensor-lm35-basierend-wasserdicht-funduino-1739269.png?v=1791496192"},{"product_id":"halterung-fur-ultraschallsensor-hc-sr04-1","title":"Mounting bracket for HC-SR04 ultrasonic sensor - plastic, swiveling","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMechanical mount for HC-SR04 ultrasonic sensor\u003c\/li\u003e \u003cli\u003ePlastic design for secure mounting\u003c\/li\u003e \u003cli\u003eCompatible with standard setups and robot platforms\u003c\/li\u003e \u003cli\u003eAllows the sensor to be freely oriented\u003c\/li\u003e \u003cli\u003eEasy installation without additional tools\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe mount securely holds the widely used ultrasonic sensor in various positions. The plastic housing protects the sensor from dirt and mechanical influences, while the modular design allows it to be adapted to different mounting locations. The sensor remains accessible at all times for connecting the four signal wires.\u003c\/p\u003e \u003cp\u003eThe ultrasonic sensor requires unobstructed sound propagation toward the front; the mount ensures that this area remains clear. The mechanical attachment allows pivoting movements, so the measurement direction can be changed without rewiring. This is practical for moving robots or swiveling sensor mounts.\u003c\/p\u003e \u003cp\u003eThe mount is suitable for obstacle detection in mobile robots, distance measurements on mounting fixtures, and experiments involving distance measurement in laboratory setups. Secure positioning also improves reliability in stationary systems such as automatic door openers.\u003c\/p\u003e \u003cp\u003eOnly the mount is included; the sensor and the required wiring to the microcontroller must be obtained separately. The sensor is powered and programmed via a controller board such as an Arduino-compatible system.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe mount is intended exclusively for building prototypes and for testing and development purposes. It is not part of a household electrical installation and must not be integrated into one. If you have questions about compatibility with existing systems, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x mount for HC-SR04 ultrasonic sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997936755037,"sku":"F23106666","price":1.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/halterung-fuer-ultraschallsensor-hc-sr04-funduino-8055552.png?v=1791496230"},{"product_id":"herzfrequenzsensor-pulsesensor","title":"Pulse sensor heart rate sensor - optical, 0-5 V analog","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eOptical sensor for measuring heart rate from reflected light\u003c\/li\u003e \u003cli\u003eMeasurement range: 40 to 150 beats per minute\u003c\/li\u003e \u003cli\u003eAnalog output with a 0 to 5 V voltage signal\u003c\/li\u003e \u003cli\u003eSimple calibration by positioning on the skin is required\u003c\/li\u003e \u003cli\u003eLow power consumption of approximately 4 mA at a 5 V operating voltage\u003c\/li\u003e \u003cli\u003eCompact design with integrated sensor and LED\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis optical heart rate sensor detects the pulsation of blood through reflected light and converts it into electrical signals. Measurement takes place continuously as soon as the sensor is attached to a well-perfused area of skin, ideally the finger, ear, or wrist.\u003c\/p\u003e \u003cp\u003eThe system uses an integrated LED and light sensor. The sensor signal is output as an analog voltage signal between 0 and 5 V, which can be connected directly to a microcontroller's analog-to-digital converter. The resolution depends on the ADC used; 10-bit resolution provides sufficient steps for reliable pulse detection.\u003c\/p\u003e \u003cp\u003eThe measurement range of 40 to 150 beats per minute covers resting, everyday, and moderate activity levels. The sensor is not suitable for maximum athletic exertion with higher pulse rates or high-performance medical applications. Typical applications include fitness trackers, real-time pulse measurement in educational and prototype projects, health monitoring systems, and biofeedback-based applications.\u003c\/p\u003e \u003cp\u003eThe sensor requires a stable 5 V power supply. When connected to 3.3 V systems, a level shifter is required for the digital output signal, or the analog output must be adjusted using a voltage divider. For reliable measurements, the sensor must be pressed firmly against the skin; loose contact leads to signal noise or measurement failures.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes and is not suitable for integration into medical devices. The sensor must not be sterilized, decontaminated, or used for long-term implantation. When handling electronic components, observe antistatic protection measures to prevent damage from electrostatic discharge.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x heart rate sensor \"Pulsesensor\"\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997939933533,"sku":"F23106819","price":3.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/herzfrequenzsensor-pulsesensor-funduino-7495400.png?v=1791496249"},{"product_id":"temperatursensor-ds18b20-inkl-anschlussterminal","title":"DS18B20 temperature sensor - waterproof, -55 to +125 °C, with terminal","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital temperature sensor for the 1-Wire bus\u003c\/li\u003e \u003cli\u003eMeasuring range −55 to +125 °C\u003c\/li\u003e \u003cli\u003eResolution down to 0.0625 °C, calibrated and linearized\u003c\/li\u003e \u003cli\u003eWith connection terminal for secure connections\u003c\/li\u003e \u003cli\u003eWaterproof stainless steel housing for outdoor use\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis temperature sensor uses the 1-Wire standard and requires only one data line for reading. The stainless steel housing makes it robust and suitable for outdoor use or humid environments. The included terminal enables secure, detachable connections without soldering.\u003c\/p\u003e \u003cp\u003eThe measured values are available digitally and do not need to be processed through amplifiers or analog-to-digital converters as with analog sensors. This reduces the complexity of the circuit. The sensor stores upper and lower temperature limits that can be used to trigger alarms. Up to 127 sensors can be connected to a single 1-Wire bus, reducing the number of connections required on the controller.\u003c\/p\u003e \u003cp\u003eThe sensor is used in temperature loggers for storage rooms and cold chains, in temperature control systems for aquariums and terrariums, or for monitoring machines for overheating. Thanks to its accuracy, the sensor is also suitable for weather stations and smart heating controls. Its wide measuring range covers both freezing temperatures and summer heat.\u003c\/p\u003e \u003cp\u003eThe sensor is powered by microcontroller boards or single-board computers with 1-Wire support. For practical use, the programming libraries for the respective system must be installed. For longer cables spanning several meters, a terminating resistor at the end of the bus is recommended.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe product is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in household electrical circuits. The stainless steel housing is waterproof, but the connector and cable are not; observe the moisture resistance of all connection components. If in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x DS18B20 temperature sensor incl. connection terminal and 4.7K ohm resistor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997940523357,"sku":"F23106670","price":3.49,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/temperatursensor-ds18b20-inkl-anschlussterminal-funduino-8741338.png?v=1791496261"},{"product_id":"luftdrucksensor-temperatursensor-hohensensor-bmp180-5v","title":"BMP180 barometric pressure sensor - temperature and altitude, I2C, 300-1100 hPa","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital sensor for air pressure, temperature, and altitude in one module\u003c\/li\u003e \u003cli\u003eAir pressure measurement range of 300 to 1100 hPa, temperature range of −40 to +85 °C\u003c\/li\u003e \u003cli\u003eAltitude resolution of up to 1 m, air pressure accuracy of ±1 hPa\u003c\/li\u003e \u003cli\u003eI2C interface, operating voltage of 1.8 to 3.6 V\u003c\/li\u003e \u003cli\u003eAltitude is calculated from air pressure; on-site calibration is possible\u003c\/li\u003e \u003cli\u003eSmall 8-pin DIP package or already mounted on a breakout board\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA combined air pressure, temperature, and altitude sensor simultaneously measures several environmental parameters via the I2C bus. The module communicates with 1.8 to 3.6 V signal levels; connection to 5 V systems requires a level shifter between the power supply and data lines.\u003c\/p\u003e \u003cp\u003eThe sensor operates according to the principle of barometric altimetry, calculating the current altitude above sea level from the measured air pressure. Calibration is possible by entering a known reference altitude. Air pressure accuracy is approximately ±1 hPa, while the temperature measurement operates from −40 to +85 °C with sufficient resolution for weather stations and environmental data loggers.\u003c\/p\u003e \u003cp\u003eTypical applications include weather stations that continuously record pressure and temperature, as well as portable altimeters for hiking and drone flights. The module is also frequently used in data loggers that store measurement data for later retrieval. If several of these sensors need to be queried simultaneously, the I2C bus is advantageous because they all connect to the same two lines and only one address per sensor needs to be configured.\u003c\/p\u003e \u003cp\u003eAn operating voltage of just 1.8 V is sufficient, enabling operation from low-voltage batteries or supercapacitors. Local calibration is required for altitude measurement if larger differences in altitude are to be resolved accurately. The module is supplied either as a bare sensor in an 8-pin package or already mounted on a breakout board with connectors, simplifying wiring.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe module is not intended for installation in household electrical circuits and is intended exclusively for building prototypes and for testing and development purposes. Work on electrical installations is reserved for qualified electricians; if you have questions about the power supply or safe operation, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Air pressure \/ temperature \/ altitude sensor BMP180 GY-68 - 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997944783197,"sku":"F23107901","price":1.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/luftdrucksensor-temperatursensor-hoehensensor-bmp180-5v-funduino-9627471.png?v=1791495561"},{"product_id":"dht22-temperatur-und-feuchtigkeitssensor-ohne-breakoutboard","title":"DHT22 temperature and humidity sensor - without PCB, 3.3-5.5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital combination sensor for temperature and relative humidity\u003c\/li\u003e \u003cli\u003eBare sensor without carrier board, four connection pins in a row\u003c\/li\u003e \u003cli\u003eProprietary digital single-wire interface, not compatible with the Dallas bus or I²C\u003c\/li\u003e \u003cli\u003eExternal pull-up resistor required\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 to 5.5 V\u003c\/li\u003e \u003cli\u003eTemperature measurement range −40 to 80 °C, humidity 0 to 99.9% RH\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis combination sensor measures temperature and relative humidity simultaneously using a capacitive humidity-sensing element and a thermistor. The measured values are processed digitally and output via a single-wire interface, so no analog-to-digital converter is required.\u003c\/p\u003e \u003cp\u003eCommunication follows a proprietary protocol that is not compatible with the Dallas standard. The microcontroller briefly pulls the data line low, after which the sensor sends back a data packet containing humidity and temperature values along with a checksum.\u003c\/p\u003e \u003cp\u003eSince the sensor is supplied without a carrier board, it lacks the pull-up resistor typically found on breakout modules. An external pull-up resistor must be added between the data line and the supply voltage. Only three of the four connection pins are used: supply voltage, ground, and data line.\u003c\/p\u003e \u003cp\u003eThe sensor is used in weather stations, indoor climate monitoring systems, and data loggers where temperature and humidity need to be recorded simultaneously. Its operating voltage of 3.3 to 5.5 V makes it compatible with various microcontroller platforms. Libraries for common development environments support the single-wire protocol; depending on the board used, minor adjustments to the control code may be necessary.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eAn external pull-up resistor on the data line is required for reliable operation. The sensor is intended exclusively for building prototypes and for testing and development purposes, and is not suitable for installation in household electrical circuits.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x DHT22 temperature and humidity sensor (without breakout board)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997946257757,"sku":"F23106799","price":7.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/dht22-temperatur-und-feuchtigkeitssensor-ohne-breakoutboard-funduino-7530010.png?v=1791495069"},{"product_id":"photoelektrischer-schalter-lichtschranke-itr20403","title":"ITR20403 photoelectric sensor - reflective optical coupler, up to 4 mm, 5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePhotoelectric switch with integrated transmitter and receiver (reflective optical sensor)\u003c\/li\u003e \u003cli\u003eDetects objects at distances of up to 4 mm\u003c\/li\u003e \u003cli\u003eOperates at supply voltages from 4.5 to 5.5 V\u003c\/li\u003e \u003cli\u003eDigital output signal, can be connected directly to microcontrollers\u003c\/li\u003e \u003cli\u003eCan be mounted on circuit boards or breadboards\u003c\/li\u003e \u003cli\u003eSmall SMD design with four terminals\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe photoelectric reflective sensor detects objects in the immediate vicinity. An integrated transmitter and receiver are housed together, so the light is reflected by the surface of the object and detected again, rather than being registered by a sensor positioned opposite it.\u003c\/p\u003e \u003cp\u003eThe output signal is provided as a digital switching signal and can be connected directly to microcontroller boards such as Arduino or Raspberry Pi. The supply voltage must be between 4.5 and 5.5 V for reliable operation. Since the sensor only responds at distances of up to approximately 4 mm, it is intended for short-range applications.\u003c\/p\u003e \u003cp\u003eTypical applications include proximity switches in counting circuits, such as detecting objects moving along conveyor belts, as well as obstacle detection in robotic systems. The sensor can also be used as a contactless button for project boards or to monitor fill levels.\u003c\/p\u003e \u003cp\u003eNo additional electronics are required apart from the power supply. The sensor can be used on breadboards or mounted directly on circuit boards. Note that the module only responds reliably to reflective or light-colored surfaces; very dark or black objects may not be detected.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe sensor is intended exclusively for building prototypes and for testing and development purposes, and is not suitable for installation in household electrical circuits. Mains voltages pose a risk of electric shock; work on electrical installations must be carried out by a qualified electrician. If in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Photoelectric switch, optical barrier - ITR20403\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997947011421,"sku":"F23109086","price":1.42,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/photoelektrischer-schalter-lichtschranke-itr20403-funduino-2990916.png?v=1791495050"},{"product_id":"hx711ad-wagedrucksensor-mit-wagezelle-5kg-gewichtsmessung","title":"HX711AD load cell sensor - 5 kg load cell, 24-bit ADC, 5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eLoad pressure sensor with integrated load cell for weights of up to 5 kg\u003c\/li\u003e \u003cli\u003e24-bit analog-to-digital converter with amplification\u003c\/li\u003e \u003cli\u003eDigital output via serial interface\u003c\/li\u003e \u003cli\u003eMeasurement accuracy in the per-mille range\u003c\/li\u003e \u003cli\u003eCurrent consumption below 1.5 mA at a 5 V operating voltage\u003c\/li\u003e \u003cli\u003eCan be calibrated without additional hardware\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis load pressure sensor measures weights of up to 5 kg using an integrated load cell and outputs the measured values digitally. The 24-bit analog-to-digital converter detects even the slightest pressure fluctuations, enabling measurements in the per-mille range. The serial interface allows the sensor to be connected directly to microcontroller boards.\u003c\/p\u003e \u003cp\u003eThe sensor operates according to the piezoelectric principle: pressure on the load cell generates electrical voltage changes, which the integrated converter digitizes. The sensor module requires only a small amount of current, below 1.5 mA, and operates reliably at a 5 V operating voltage. Software calibration is required, but it can be performed easily.\u003c\/p\u003e \u003cp\u003eApplications include scales for small loads, dosing in laboratories or workshops, and weight monitoring in mobile or portable systems. This sensor is also suitable for project setups with automatic weight control.\u003c\/p\u003e \u003cp\u003eA microcontroller board with at least one digital input and output for data transmission is required. The load cell is already connected at the factory and does not need to be purchased separately. A protective circuit against electrostatic discharge protects the module in case of improper handling. The sensor is intended for prototype setups and is not designed for continuous operation under extreme environmental conditions.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module must be protected against electrostatic discharge; wear an antistatic wrist strap when handling it. The device is intended exclusively for prototype construction and testing and development purposes, and is not suitable for installation in household electrical circuits.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x HX711AD load pressure sensor with load cell - 5KG - weight measurement\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997950517597,"sku":"F23106504","price":3.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/hx711ad-waegedrucksensor-mit-waegezelle-5kg-gewichtsmessung-funduino-2412767.png?v=1791495565"},{"product_id":"regentropfen-sensor","title":"Rain sensor - sensor plate with evaluation board, 3.3-5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRain sensor with separate sensor plate and evaluation electronics\u003c\/li\u003e \u003cli\u003eDigital output (TTL) and analog output for flexible readout\u003c\/li\u003e \u003cli\u003eOperating voltage of 3.3 to 5 V, directly connectable to microcontroller boards\u003c\/li\u003e \u003cli\u003eDigital threshold sensitivity adjustable via potentiometer\u003c\/li\u003e \u003cli\u003eSensor plate with nickel-plated copper tracks, evaluation board connected by cable\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA rain sensor consists of two separate boards connected by a short cable. The sensor plate features parallel nickel-plated copper tracks and is placed outdoors. The smaller evaluation board with the comparator remains protected, as only the sensor surface needs to withstand the weather.\u003c\/p\u003e \u003cp\u003eRaindrops create a conductive connection between the parallel copper tracks, reducing the resistance. The evaluation electronics detect this change and output the signal in two ways, The digital output provides a TTL signal that is HIGH when dry and LOW when rain is detected. The analog output provides a voltage proportional to the moisture level, which can be connected to an ADC input of a microcontroller. This allows the module to function both as a switch for simple rain detection and for roughly estimating rainfall intensity.\u003c\/p\u003e \u003cp\u003eThe module is used in weather stations, for automatic irrigation control, and as a trigger for closing window or awning motors when rain begins. Separating the sensor plate from the electronics enables flexible installations in which only the robust copper plate is outdoors.\u003c\/p\u003e \u003cp\u003eThe digital threshold can be adjusted via the potentiometer without programming. The operating voltage of 3.3 to 5 V makes the module compatible with common microcontroller boards. For outdoor use, the evaluation board should be housed in a protective enclosure.\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 household mains circuits. The sensor surface is exposed to the weather and should be checked regularly. Work on or in the immediate vicinity of electrical installations must be carried out by a qualified electrician; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Raindrop Sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997953237341,"sku":"F23106845","price":1.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/regentropfen-sensor-funduino-3882679.png?v=1791495119"},{"product_id":"ky-021-magnetisches-reed-modul-reed-schalter","title":"KY-021 reed module - digital magnetic sensor, 3.3-5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMagnetic sensor module with reed switch for detecting magnetic fields\u003c\/li\u003e \u003cli\u003eDigital output for direct signal processing\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 to 5 V\u003c\/li\u003e \u003cli\u003eConnection via signal line, ground, and supply voltage\u003c\/li\u003e \u003cli\u003eContactless triggering without mechanical wear\u003c\/li\u003e \u003cli\u003eSwitching output changes state when near a magnetic field\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe module detects magnetic fields using a reed switch and outputs the result as a digital signal. The switch consists of two ferromagnetic contacts in a glass capsule that come together in a magnetic field and thereby close a circuit.\u003c\/p\u003e \u003cp\u003eThe output provides a digital HIGH or LOW signal that can be read directly by microcontrollers. The contactless operation eliminates any wear on buttons or mechanisms. The switching frequency is practically unlimited.\u003c\/p\u003e \u003cp\u003eThe module is suitable for door monitoring in security systems, position detection of moving parts, detecting valve positions, and recording rotary wheel sensors in counting applications. For example, in an automated warehouse monitoring system, the module reports when a magnetized container card reaches a specific position.\u003c\/p\u003e \u003cp\u003eThe operating voltage of 3.3 to 5 V makes the module a universal sensor for various microcontroller platforms. Only a suitable power supply is required for operation. The switch responds to magnetic field strength and proximity; the exact triggering distance depends on the field strength of the magnet used.\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 electrical circuits. When used in safety-critical applications, the reliability of the system must be validated separately. If you have questions about integrating it into existing systems, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x KY-021 - Magnetic reed module, reed switch\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997953565021,"sku":"F23106789","price":1.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ky-021-magnetisches-reed-modul-reed-schalter-funduino-8090810.png?v=1791496022"},{"product_id":"gy-31-tcs3200-farbsensor","title":"TCS3200 color sensor GY-31 - with LED illumination, 2.7-5.5 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eColor sensor for detecting and measuring color values\u003c\/li\u003e \u003cli\u003eTCS3200 chip with four photodiode arrays (red, green, blue, clear)\u003c\/li\u003e \u003cli\u003eOutput as a frequency on a digital pin\u003c\/li\u003e \u003cli\u003eOperating voltage 2.7 to 5.5 V\u003c\/li\u003e \u003cli\u003eNo I2C communication, only digital frequency output\u003c\/li\u003e \u003cli\u003eSmall circuit board with integrated optics and integrated LED illumination\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe color sensor detects color values using four photodiode arrays that respond separately to red, green, and blue wavelengths of light. An additional clear array enables brightness measurement. The light intensity is output as a frequency at the digital output, so each color is represented by a specific frequency ratio.\u003c\/p\u003e \u003cp\u003eThe integrated LED continuously illuminates the surface being measured, enabling consistent measurements independent of ambient light. The operating voltage of 2.7 to 5.5 V makes the sensor compatible with various microcontroller boards, from battery-powered systems to systems with 5 V logic. Calibration is not required because the frequency output is directly proportional to the detected color intensity.\u003c\/p\u003e \u003cp\u003eThe module can be used for color-sorting systems, automatic product classification in simple manufacturing processes, or robotics projects that respond to color markings. The sensor also performs well in light-measurement applications, such as detecting brightness levels under changing lighting conditions. Its compact design allows installation in small devices.\u003c\/p\u003e \u003cp\u003eThe setup requires a microcontroller with a digital input and frequency-measurement capability. The typical measuring distance is a few centimeters, so the module is limited to short-range applications. The usual development environment is used for programming; timing-sensitive code is required.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for building prototypes and for testing and development purposes. It is not intended for installation in household electrical circuits. Applying voltages above the specified operating limits may cause damage; if you are unsure about the correct wiring, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x TCS3200 color sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997953663325,"sku":"F23107380","price":9.94,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gy-31-tcs3200-farbsensor-funduino-2240113.png?v=1791495583"},{"product_id":"hx711ad-wagedrucksensor-mit-wagezelle-1kg-gewichtsmessung","title":"HX711AD load cell - weight sensor up to 1 kg, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital load cell with integrated HX711AD pressure sensor for loads up to 1 kg\u003c\/li\u003e \u003cli\u003ePressure-to-digital conversion with up to 80 measurements per second\u003c\/li\u003e \u003cli\u003eTwo digital outputs for signal selection and gain switching\u003c\/li\u003e \u003cli\u003eOutput signal via SPI or a similar serial interface\u003c\/li\u003e \u003cli\u003ePower supply of 4.8–5.5 V required\u003c\/li\u003e \u003cli\u003eSoftware calibration without external components\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis load cell with an integrated pressure sensor converts loads of up to 1 kg into digital measurements. The HX711AD chip determines the measured pressure and outputs the signal directly in digital form, eliminating the need for analog-to-digital converters.\u003c\/p\u003e \u003cp\u003eWhen a load is applied, the sensor element generates a small change in voltage. The chip amplifies this signal and records it with high resolution. Output is provided at up to 80 measurements per second, which is sufficient for weighing applications. To track rapid weight changes, a lower measurement rate is required to minimize delays.\u003c\/p\u003e \u003cp\u003ePossible applications include kitchen scales, postal scales up to approximately 1 kg, dosing systems in small-scale installations, or animal scales for rodents and birds. The load cell is also frequently used in IoT project prototypes, for example to automatically record feeding quantities.\u003c\/p\u003e \u003cp\u003eThe sensor outputs its values via a serial interface, so a microcontroller board with a corresponding interface is required. The supply voltage must be between 4.8 and 5.5 V. Calibration is performed by software, eliminating the need for mechanical adjustment. However, load cells of this type require a stable, vibration-free surface for accurate measurements.\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 is not intended for installation in household electrical circuits or in scales used for official verification. The power supply must be provided outside the module. If you are unsure about the voltage compatibility of the connected microcontroller board, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x HX711AD weighing pressure sensor with load cell - 1kg - weight measurement\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997953696093,"sku":"F23106145","price":3.47,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/hx711ad-waegedrucksensor-mit-waegezelle-1kg-gewichtsmessung-funduino-1621589.png?v=1791496053"},{"product_id":"geschwindigkeitssensor-lichtschranke-ir-3-3v-5v","title":"Speed sensor light barrier - infrared, 3,3 \/ 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eInfrared photoelectric barrier for measuring the speed of wheels and moving parts\u003c\/li\u003e \u003cli\u003eSelectable operating voltage of 3.3 V or 5 V\u003c\/li\u003e \u003cli\u003eDigital output, compatible with microcontroller boards and single-board computers\u003c\/li\u003e \u003cli\u003eDetection range of up to approximately 20 cm\u003c\/li\u003e \u003cli\u003eContinuous or interrupted infrared radiation detects movement and position\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA speed sensor with an infrared photoelectric barrier detects passing or rotating objects and outputs a digital signal. The module emits invisible light and evaluates the reflection when an obstacle interrupts or reflects the radiation. The choice between 3.3 V and 5 V operating voltage enables direct connection to both modern small computers and classic microcontroller boards without additional level shifting.\u003c\/p\u003e \u003cp\u003eThe sensor is suitable for measuring the rotational speed of wheels and motors, detecting material flow on conveyor belts, and detecting movement in robotics projects. One specific application example: mounted on a mobile robot, the sensor measures wheel rotations, enabling precise distance calculation and speed control. Another application is counting objects, for example when parts pass through a measuring station.\u003c\/p\u003e \u003cp\u003eThe detection range of approximately 20 cm is sufficient for most desktop and laboratory setups. Reliability may decrease at greater distances or under stronger ambient lighting. The digital output provides a clear logic signal that can be counted directly in an evaluation routine or used for control. In addition to the sensor itself, operation requires only a suitable power supply, and possibly mounting hardware and connection cables for the controller interface.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe sensor is not intended for installation in the household power circuit and may only be used for assembling, testing, and developing prototypes. Work on or near electrical installations is reserved for qualified electricians. If you are unsure about voltage selection or wiring, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Speed Sensor Photoelectric Barrier IR 3.3V \/ 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997954646365,"sku":"F23108322","price":1.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/geschwindigkeitssensor-lichtschranke-ir-33v-5v-funduino-3853215.png?v=1791495128"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/collections\/Feuchtigkeitssensor.png?v=1791290594","url":"https:\/\/funduino.com\/en\/collections\/sensors.oembed?page=6","provider":"Funduino","version":"1.0","type":"link"}