{"title":"Sale Promotion","description":null,"products":[{"product_id":"gehause-ohne-lufter-fur-raspberry-pi-3-schwarz","title":"Case for Raspberry Pi 3 - Plastic, black, without fan","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eBlack plastic case for Raspberry Pi 3\u003c\/li\u003e \u003cli\u003ePassive cooling design without a fan\u003c\/li\u003e \u003cli\u003eAll ports remain accessible\u003c\/li\u003e \u003cli\u003eProtective contacts on critical components\u003c\/li\u003e \u003cli\u003eCompact, stackable design\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA plastic case for Raspberry Pi 3 protects the board from mechanical damage and dirt. The case operates without active cooling; heat is dissipated through the plastic walls, which means sufficient ambient air circulation is required. The passive approach eliminates power consumption and operating noise, but limits the range of use to moderate computing loads and room temperatures of up to approximately 25 °C.\u003c\/p\u003e \u003cp\u003eAll Raspberry Pi 3 ports remain accessible; Ethernet, USB ports, HDMI, audio, and GPIO headers are not covered. The case can be opened without removing the board from its protective enclosure. Protective contacts on the base prevent short circuits if the case is placed on conductive surfaces.\u003c\/p\u003e \u003cp\u003eThe case is suitable for stationary applications without continuous heavy loads, such as a media server, weather station, or home automation in a climate-controlled environment. Active cooling is required for 24\/7 streaming or continuous data processing under load. The compact black design takes up little space and can be placed on shelves or next to other devices.\u003c\/p\u003e \u003cp\u003eThe case is supplied without accessories; the power supply and SD card must be purchased separately. The Raspberry Pi 3 cannot reach its maximum computing performance without forced cooling, as the processor's thermal throttling takes effect more quickly than with active airflow.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis case is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if anything is unclear, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x fanless case for Raspberry Pi 3 - Black\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997709869405,"sku":"F23108436","price":2.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gehaeuse-ohne-luefter-fuer-raspberry-pi-3-schwarz-funduino-5837252.png?v=1791497330"},{"product_id":"funduino-basic-ersatzdruckkopf-mit-duse","title":"Funduino Basic replacement print head - 0.4 mm nozzle, brass","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReplacement print head for 3D printers\u003c\/li\u003e \u003cli\u003eNozzle with a diameter of 0.4 mm\u003c\/li\u003e \u003cli\u003eCompatible with common FDM printers\u003c\/li\u003e \u003cli\u003eMade of brass\u003c\/li\u003e \u003cli\u003eSuitable for PLA, ABS, and PETG\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe replacement print head with an integrated nozzle is a wear component for 3D printers. After many hours of operation, deposits at the opening or internal wear can impair print quality. Replacing it restores printing accuracy.\u003c\/p\u003e \u003cp\u003eThe nozzle with a diameter of 0.4 mm is suitable for standard applications with medium layer resolution. This opening can be used to produce prints from common plastic materials such as PLA, ABS, and PETG. The brass material reliably dissipates heat and enables stable extrusion even at varying printing speeds.\u003c\/p\u003e \u003cp\u003eThe print head fits common FDM printer models with a standard heating-block connection. Before installation, the old print head must be removed, which can be done on most printers without additional tools. After replacement, a brief calibration is recommended to set the optimal gap between the nozzle and the print bed.\u003c\/p\u003e \u003cp\u003eFor installation, the device must be switched off and, if necessary, allowed to cool down. New nozzles should be briefly flushed before the first print to remove production residues.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe print head reaches temperatures of up to approximately 220 degrees Celsius during printing. Work on the print head may only be carried out when the device is switched off and completely cooled down. The replacement part is intended exclusively for testing and development purposes.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Funduino Basic replacement print head with nozzle\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997721600349,"sku":"F23107068","price":8.33,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/funduino-basic-ersatzdruckkopf-mit-duese-funduino-4801444.png?v=1791473478"},{"product_id":"dip-switch-schalter-mit-vier-positionen","title":"4-pole DIP switch - 2.54 mm pitch","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003efour-position DIP switch for PCB mounting\u003c\/li\u003e \u003cli\u003eswitching options for configurations from 0000 to 1111 in binary logic\u003c\/li\u003e \u003cli\u003eeach position can be switched individually without tools\u003c\/li\u003e \u003cli\u003e2.54 mm pitch, the standard spacing for perfboards\u003c\/li\u003e \u003cli\u003elow switching capacity, designed for logic signals in the volt and milliampere range\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA four-position DIP switch allows eight different states (from 0000 to 1111 in binary logic) to be set permanently on the PCB. Each position switches independently between two contact states and is operated by hand, without requiring soldering or tools.\u003c\/p\u003e \u003cp\u003eThe four switches are arranged in parallel and use common ground contacts. Configurations can be adjusted quickly during development without modifying the PCB. The component operates in the volt and milliampere range and is suitable only for logic signals, not for switching higher loads.\u003c\/p\u003e \u003cp\u003eTypical applications include setting operating modes, addresses, or calibration values in microcontroller projects. Such a switch combination can also be used to enable or disable software behavior during operation when the code reads the input levels cyclically.\u003c\/p\u003e \u003cp\u003eThe component fits standard perfboards with a 2.54 mm pitch. Wiring requires a digital input port on the microcontroller, ideally with pull-up or pull-down resistors to ensure stable logic levels. Higher switching capacities or voltages above 5 V require additional driver circuits.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe component is not intended for integration into household mains circuits. It is intended exclusively for configuring prototypes and test and development setups. When working on or near electrical installations, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x DIP switch - four-position switch\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997795819869,"sku":"F23106888","price":0.7,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/dip-switch-schalter-mit-vier-positionen-funduino-8394883.png?v=1791493412"},{"product_id":"1no-1nc-not-aus-schalter","title":"Emergency stop switch - 1NO+1NC, twist release","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHigh-current switch with one normally open and one normally closed contact\u003c\/li\u003e \u003cli\u003eRotary actuation, robust design\u003c\/li\u003e \u003cli\u003eSafe shutdown in emergency situations\u003c\/li\u003e \u003cli\u003eContact configuration 1NO\/1NC (one normally open contact, one normally closed contact)\u003c\/li\u003e \u003cli\u003eSuitable for protection circuits and emergency-stop functions\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe emergency-stop switch with 1NO and 1NC contacts is used wherever a safe interruption of power is required in the event of a fault or emergency. The rotary switch combines one normally open and one normally closed contact in a single housing, reducing the need for separate components.\u003c\/p\u003e \u003cp\u003eRotating the switch opens one contact while simultaneously closing the other. This enables both monitoring of the switch status and redundant safety logic in protection circuits. The switch is designed for high-current applications and does not delay actuation.\u003c\/p\u003e \u003cp\u003eApplications range from machine emergency-stop systems and laboratory setups to emergency shutdowns in development prototypes. Those working with higher loads benefit from the two contacts, which can be used in parallel for redundancy checks or separately controlled functions.\u003c\/p\u003e \u003cp\u003eThe component is ready for immediate connection to circuits powered by laboratory power supplies and similar sources. Circuit planning should take the position of both contacts into account, as the normally closed contact safely interrupts the current flow in the event of a fault, while the normally open contact can simultaneously activate feedback.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe switch is intended exclusively for securing prototype systems and development setups and must not be installed in household mains circuits. Work on circuits with higher voltages or on household mains systems must be carried out by a qualified electrician; if you have questions about proper use in critical systems, consult a qualified electrician before use.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 1NO+1NC emergency-stop switch\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997796114781,"sku":"F23105897","price":3.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/1no1nc-not-aus-schalter-funduino-7314857.png?v=1791494516"},{"product_id":"tursensor-reedkontakt-turschalter-magnetschalter-mc-31b-no-nc","title":"MC-31B reed contact door sensor - magnetic switch, up to 24 V, 10 W","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMagnetic switch with reed contact for detecting door openings\u003c\/li\u003e \u003cli\u003eContact opener, closes when near a magnet\u003c\/li\u003e \u003cli\u003eOperating voltage up to 24 V\u003c\/li\u003e \u003cli\u003eContact switching max. 10 W\u003c\/li\u003e \u003cli\u003eSurface-mount housing, compact design\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA reed contact door sensor detects whether a door is open or closed. A magnet mounted in the door frame moves a magnetically sensitive pair of switching contacts without mechanical friction. This principle enables maintenance-free, reliable switching for years without wear.\u003c\/p\u003e \u003cp\u003eThe sensor is suitable for alarm circuits, smart home applications, and control tasks. In a manufacturing facility, an open storage door could trigger an email notification via the sensor; in a private home, it can report window or door openings to a local automation system. The contact switches loads up to 10 W, also allowing direct control of low-power signal lamps or piezo alarm buzzers.\u003c\/p\u003e \u003cp\u003eFor operation with 5 V or 3.3 V microcontroller boards, an external power source up to 24 V is required because the sensor itself is not controlled by logic signals. The two sensor halves, magnet and reed contact module, must be mechanically aligned so that the magnet reliably triggers the contact; this requires careful installation.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis sensor 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 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 MC-31B NO \/ NC magnetic door sensor, including switch and magnet\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997797589341,"sku":"F23108049","price":1.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/tuersensor-reedkontakt-tuerschalter-magnetschalter-mc-31b-no-nc-funduino-1119295.png?v=1791493404"},{"product_id":"gelenkkopflager-8-mm-typ-sa8tk-mannliches-aussengewinde-rechtsdrehend","title":"Rod end bearing SA8TK - Ø 8 mm, M8 right-hand external thread","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRod-end bearing for linkage rods with an 8 mm bore\u003c\/li\u003e \u003cli\u003eBall head with M8 male thread\u003c\/li\u003e \u003cli\u003eLoad capacity up to 5 kN under tensile load\u003c\/li\u003e \u003cli\u003eAllows movement in multiple planes\u003c\/li\u003e \u003cli\u003eMaintenance-free plastic plain bearing bushing\u003c\/li\u003e \u003cli\u003eDesign enables compact bearing installation in space-constrained constructions\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe rod-end bearing with an 8 mm bore and M8 male thread connects linkage rods to other structural elements while allowing tilting. The ball head compensates for angular misalignment in multiple planes without creating mechanical stress in the connected components. This helps rod-end bearings extend the service life of rod mountings, especially when the axes cannot be aligned precisely.\u003c\/p\u003e \u003cp\u003eThe plain bearing bushing is made of plastic and requires no lubrication. The bearing has a load capacity of up to 5 kN under tensile load and is suitable for machines and fixtures that redirect loads along a rod. Typical applications include automation technology, such as pivoting arms or systems with variable working heights, as well as mechanical presses with rod mountings.\u003c\/p\u003e \u003cp\u003eThe M8 male thread allows installation by fastening with a locknut; an additional nut is required to prevent twisting. The compact design also allows use where installation space is limited. For continuous operation, the mechanical load should remain below 5 kN, and the connected rods should be sized with sufficient rigidity for the transverse forces that occur.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis component is not intended for installation in household electrical circuits and is exclusively for prototyping, testing, and development purposes in mechanical engineering. It may only be selected for applications where the maximum load capacity of 5 kN will definitely not be exceeded. If there are safety concerns, work on machines and fixtures using this bearing should be clarified with a qualified electrician or the responsible safety officer.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 8 mm rod-end bearing, type SA8TK, male external thread, right-hand thread\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997797720413,"sku":"F23109160","price":1.94,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/gelenkkopflager-8-mm-typ-sa8tk-maennliches-aussengewinde-rechtsdrehend-funduino-2686508.jpg?v=1791497362"},{"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":"taster-button-mit-xh2-54-3p-buchse","title":"XH2.54 push button - 3-pin socket, normally open contact","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePush button with XH2.54 connector (3-pin)\u003c\/li\u003e \u003cli\u003eMomentary actuation\u003c\/li\u003e \u003cli\u003eContact closed when pressed\u003c\/li\u003e \u003cli\u003eConnection via standard female header\u003c\/li\u003e \u003cli\u003eDesign for breadboards and modular setups\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA simple push button with an XH2.54 connector connects directly to breadboards or via headers to microcontroller boards. The switch closes its contact only while pressed; it opens again when released.\u003c\/p\u003e \u003cp\u003eThe three-pin version enables various wiring configurations: two pins can be used as a changeover switch, or both switch contacts can be wired in parallel to distribute mechanical wear across multiple contacts. For digital inputs, simply querying the logic level is sufficient.\u003c\/p\u003e \u003cp\u003eThese push buttons are used in robotics projects for commands such as start and stop, on learning boards for input detection, in prototypes for user control, and in expansion modules as additional controls. Typically, a pull-up or pull-down resistor is activated on the microcontroller to filter out contact bounce.\u003c\/p\u003e \u003cp\u003eThe XH2.54 connector fits common modular systems and breadboards. For direct connections to larger connectors, an additional adapter cable simplifies wiring. With frequent actuation, wear resistance and contact reliability should be checked.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe push button is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; consult a qualified electrician before commissioning it in circuits above 24 V or in safety-critical applications.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* push button - with XH2.54 3P female connector\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997801750877,"sku":"F23109061","price":2.61,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/taster-button-mit-xh254-3p-buchse-funduino-8761024.jpg?v=1791493880"},{"product_id":"relais-modul-1-kanal-5v-zur-befestigung-auf-hutschiene","title":"1-channel DIN-rail relay module - 5 V, 250 V \/ 10 A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSingle-channel relay module for mounting on a DIN rail, 5 V control\u003c\/li\u003e \u003cli\u003eSwitches loads up to 10 A at 250 V AC or 30 V DC\u003c\/li\u003e \u003cli\u003eGalvanic isolation between control logic and switching circuit\u003c\/li\u003e \u003cli\u003eOptocoupler-isolated input for safe control\u003c\/li\u003e \u003cli\u003eLED status indicator for relay state\u003c\/li\u003e \u003cli\u003eScrew and plug-in terminals for easy wiring\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA single-channel DIN-rail relay module enables loads to be switched safely from low-voltage systems. The module is controlled with 5 V and can therefore be connected directly to microcontroller boards or control devices. An electromagnetic relay operates inside the module and is controlled via an optocoupler-isolated input, keeping the control logic galvanically isolated from the switching level.\u003c\/p\u003e \u003cp\u003eThanks to this isolation, sensitive control devices can also handle inductive or high-current loads without feedback issues. The module reliably switches AC loads up to 10 A at 250 V AC or DC loads up to 30 V DC. An LED indicates the current relay state.\u003c\/p\u003e \u003cp\u003eTypical applications include remote switching of heaters or fans in home automation, controlling machines via remote controls or sensor signals, and integration into control cabinets and DIN-rail control devices. It can also be used to control alarm or signal devices.\u003c\/p\u003e \u003cp\u003eFor operation, the 5 V supply for the control logic must be provided separately. The main switching contacts can be connected to the load using screw or plug-in terminals. The module is intended for prototypes and test setups, but must not be integrated directly into the building's electrical installation.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe module must not be integrated directly into the building's electrical circuit. It is intended exclusively for building circuits for prototyping, testing, and development purposes. Work on or near high-voltage circuits must be carried out by qualified electricians; before commissioning with mains voltage, a qualified electrician must check the wiring.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 1-channel 5V relay module for mounting on a DIN rail\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997803782493,"sku":"F23108179","price":4.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relais-modul-1-kanal-5v-zur-befestigung-auf-hutschiene-funduino-5045919.png?v=1791493893"},{"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":"taster-led-rot-beleuchtet-3v-24v-vandalismusgeschutzt","title":"Illuminated push button - red LED, 3-24 V, vandal-resistant","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePush button with red LED illumination\u003c\/li\u003e \u003cli\u003eOperating voltages of 3 V and 24 V\u003c\/li\u003e \u003cli\u003eVandal-resistant design\u003c\/li\u003e \u003cli\u003eContact opens or closes when pressed\u003c\/li\u003e \u003cli\u003eSpace-saving for enclosures and control panels\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis illuminated push button combines switching functionality and visual feedback in a single component. The red LED lights up whenever power is supplied, regardless of the switching state, indicating immediate operational readiness. Two operating voltages, 3 V for battery-powered applications and 24 V for industrial equipment, enable use in different circuits without additional voltage sources.\u003c\/p\u003e \u003cp\u003eThe vandal-resistant construction withstands tampering and wear, making these switches suitable for publicly accessible installations. The switching mechanism operates reliably over many actuation cycles. Depending on the version, normally closed (normally open) or normally open (normally closed) contacts can be configured.\u003c\/p\u003e \u003cp\u003eApplications include control tasks on machines and systems where illuminated operation should provide clear signals. In control panels for publicly accessible devices, such as elevators or emergency call terminals, the robust design prevents damage. Alarm and signaling systems use the LED feedback for status indication. The switch is also suitable for control cabinet doors where an active actuation option with visual confirmation is required.\u003c\/p\u003e \u003cp\u003eOperation requires a suitable power supply (3 V or 24 V). The choice of contact type (normally closed or normally open) must correspond to the intended switching logic. Installation is carried out from the front through a drilled hole; fastening is enabled by a locknut on the rear.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eWarning: Risk of crushing when actuated. Do not connect to the household power supply; use is limited to prototypes, test setups, and control circuits for machines up to 24 V. Work on or near electrical installations may only be carried out by a qualified electrician; if you have questions about connecting to control systems, seek advice before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cp\u003e1x red LED-illuminated push button, 3V - 24V, vandal-resistant\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997807386973,"sku":"F23106522","price":4.42,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/taster-led-rot-beleuchtet-3v-24v-vandalismusgeschuetzt-funduino-7687467.png?v=1791493896"},{"product_id":"trigger-zeitrelais-mit-micro-usb-5v-bis-30v-0-bis-24-sekunden","title":"Time relay - 5-30 V, adjustable from 0-99 s, Micro-USB","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTime relay for 5 to 30 V operating voltage\u003c\/li\u003e \u003cli\u003eTriggered via external triggers or a timer\u003c\/li\u003e \u003cli\u003eSwitching capacity of up to 10 A at 250 V AC\u003c\/li\u003e \u003cli\u003eDelay adjustable from 0 to 99 seconds\u003c\/li\u003e \u003cli\u003eMicro-USB port for power supply\u003c\/li\u003e \u003cli\u003eTwo independent outputs (relay pairs)\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe time relay is triggered by external signals or a set time interval and switches up to two loads with a time delay. It requires an external power supply between 5 and 30 V, which is connected via the Micro-USB port. The switching contacts can handle up to 10 A at 250 V AC, making them suitable for standard low-voltage lines.\u003c\/p\u003e \u003cp\u003eThe delay can be set from 0 to 99 seconds in one-second increments. After the trigger, the relay waits for the programmed time before switching. Depending on the voltage source, the module can be connected directly to 5 V logic on a microcontroller board; at higher supply voltages, the trigger stage must be implemented separately.\u003c\/p\u003e \u003cp\u003eTypical applications include automatic time-delayed switching in home automation, controlled power shutoff after a waiting period, or sequential processes in experimental setups. For example, a pump can be triggered by a switch, run automatically for 30 seconds, and then stop on its own.\u003c\/p\u003e \u003cp\u003eIn addition to a suitable power source (USB power adapter, battery, or laboratory power supply), operation requires the trigger voltage to be adapted to the logic level of the control board. The switching capacity is limited to loads of up to 10 A, including relays, small motors, and contactor control circuits, but not heaters or high-load appliances.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe relay is not intended for connection to the mains power circuit. It is intended exclusively for prototyping and experimental work. Circuits with mains voltage may only be assembled and tested by a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cp\u003e1x Trigger time relay with Micro-USB, 5V to 30V, 0 to 24 seconds\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997807452509,"sku":"F23109158","price":2.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/trigger-zeitrelais-mit-micro-usb-5v-bis-30v-0-bis-24-sekunden-funduino-2465109.jpg?v=1791493908"},{"product_id":"relaiskarte-high-low-level-trigger-2-kanal-5v","title":"2-channel relay module - 5 V, high-low trigger, 250 V \/ 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTwo-channel relay module for controlling loads via digital output signals\u003c\/li\u003e \u003cli\u003eDetects 5 V logic low and high levels\u003c\/li\u003e \u003cli\u003eRelay outputs rated at 10 A each at 250 V AC\u003c\/li\u003e \u003cli\u003eDimensions 53*26*18 mm\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe module switches two independent relays via digital 5 V logic signals. Each channel responds to separate input signals and can be controlled individually, enabling operation in lighting and sensor applications with different switching tasks.\u003c\/p\u003e \u003cp\u003eWhen a high level is received, the contacts close and connect the loads to the mains voltage. A low level opens the relays again. The contacts can handle up to 10 A per channel at 250 V AC, making them suitable for household appliances such as lamps or heating loads. An optical indicator on the board shows the switching status of each channel.\u003c\/p\u003e \u003cp\u003eTypical applications include remote control of lighting via microcontrollers, controlling loads during automated heating tests, or building prototype hardware for sensor-controlled switching operations. The compact board with two electrically independent switching circuits provides a flexible starting point, particularly for laboratory setups.\u003c\/p\u003e \u003cp\u003eOperation requires a separate 5 V power supply for the logic side and a suitable power source or mains connection for the load circuit. The signal inputs are limited to digital logic; analog voltages may cause undefined behavior. External switches are required to control loads with a current consumption exceeding 10 A or at higher voltages.\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 installation in household electrical circuits. The relay outputs are designed for AC voltages up to 250 V; short circuits or overloading the contacts can cause damage or fires. Work on or near electrical installations must be carried out by qualified electricians; if you are unsure about the wiring, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x HIGH-LOW-LEVEL Trigger - 2 channel, 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997807583581,"sku":"F23106512","price":2.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relaiskarte-high-low-level-trigger-2-kanal-5v-funduino-7502941.png?v=1791494558"},{"product_id":"kugelrolle-stahl-40mm-bohrungsabstand","title":"Steel ball caster - Ø 50 mm, 40 mm hole spacing, 150 kg","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSteel ball transfer unit with a 40 mm hole spacing for conveying and transport applications\u003c\/li\u003e \u003cli\u003eBall bearings enable free rotation with minimal resistance\u003c\/li\u003e \u003cli\u003eDiameter 50 mm, width 40 mm\u003c\/li\u003e \u003cli\u003eLoad capacity up to 150 kg per unit\u003c\/li\u003e \u003cli\u003eMaintenance-free and low-wear, even during continuous operation\u003c\/li\u003e \u003cli\u003eMounting with M8 screws on standard axle spacings\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis steel ball transfer unit is designed for building conveyor systems and transport lines. The ball bearing enables free rotation under load with low friction losses, saving energy during longer operating periods.\u003c\/p\u003e \u003cp\u003eWith a hole spacing of 40 mm, the unit fits common structural profiles and frames. It is mounted with M8 screws, and the load capacity is up to 150 kg per unit. When several units are installed in series, the load is distributed, allowing heavier goods to be transported as well.\u003c\/p\u003e \u003cp\u003eThe welded steel construction and sealed ball bearings eliminate the need for maintenance. These units are suitable for material handling in warehouses, production, and logistics, as well as for DIY systems such as conveyor chutes in hobby applications. Continuous loads do not cause premature wear.\u003c\/p\u003e \u003cp\u003eA suitable support profile or steel frame is required for use. The axle screws must be retightened regularly to prevent failure caused by loosening.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eSharp edges are present on the sheet steel; wear protective gloves. The unit must not be installed or removed while the power is connected or under load. Before use in conveyor systems, ensure that the mounting is designed for the intended load and that no exposed crushing or shearing points can occur.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Ball transfer unit - steel, 40mm hole spacing\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997812924765,"sku":"F23105994","price":1.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/kugelrolle-stahl-40mm-bohrungsabstand-funduino-3105844.jpg?v=1791494561"},{"product_id":"schalter-mit-zehn-positionen-2-54-mm","title":"10-position rotary switch - 2-pole, 2.54 mm pitch","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSwitch with ten switching positions\u003c\/li\u003e \u003cli\u003e2.54 mm pitch, connection to perfboards\u003c\/li\u003e \u003cli\u003eTwo independent circuits per position\u003c\/li\u003e \u003cli\u003eCompact plastic housing with metal wiper\u003c\/li\u003e \u003cli\u003eNo active power supply required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA ten-position rotary switch with a 2.54 mm pitch fits directly onto standard perfboards without additional wiring. The switch has two separate circuits per switching position, allowing two different functions to be controlled in parallel or switching patterns to be activated.\u003c\/p\u003e \u003cp\u003eThe positions are changed mechanically by turning the switch. The metal contacts ensure secure, reliable transitions between the switching stages. Since the switch itself does not require a power supply, no additional power connection is needed; the switching outputs are connected to the inputs of a microcontroller board.\u003c\/p\u003e \u003cp\u003eThese switches are useful wherever multiple operating modes or calibrations are to be implemented in hardware. For example, a temperature data logger that is intended to offer three different measuring ranges can use one or more positions for each range and switch the sensor sensitivity accordingly. The second independent circuit can likewise be used to switch filter algorithms or data storage parameters at the same time.\u003c\/p\u003e \u003cp\u003eTo connect the switch, its contacts are connected to the digital inputs of a board using wires or jumper wires. The inputs are then pulled up to a high level using pull-up resistors, while the switch connects the contacts to ground and thus generates a defined low signal. To ensure reliable detection, hardware debounce time of at least 20 ms should be taken into account before registering a position change in the code.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe switch is intended exclusively for building prototypes and for testing and development purposes, not for use with household electrical circuits. When used in circuits carrying current, it must be verified that the switching voltage and current do not endanger the service life of the contacts. A qualified electrician must be consulted when working on or near electrical installations.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x switch with ten positions - 2.54 mm\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997815021917,"sku":"F23106589","price":1.62,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/schalter-mit-zehn-positionen-254-mm-funduino-1349353.png?v=1791493533"},{"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":"xt90h-f-stecker-mit-lotfahne-und-abdeckung","title":"XT90H-F high-current connector - socket with solder tab, cover, 90 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eXT90H F plug with female contact\u003c\/li\u003e \u003cli\u003eSolder tab for direct PCB mounting\u003c\/li\u003e \u003cli\u003eCover to prevent short circuits\u003c\/li\u003e \u003cli\u003eCurrent carrying capacity of up to 90 A\u003c\/li\u003e \u003cli\u003eGold-plated contacts for a secure connection\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe XT90H F is a high-current connector with a female contact, designed for applications with up to 90 A. The solder tab enables direct installation on printed circuit boards without additional cable ends, eliminating material and assembly effort.\u003c\/p\u003e \u003cp\u003eThe gold-plated contacts ensure low contact resistance and reliable current transmission, even with frequent plugging and unplugging. The cover reliably protects the connector against accidental contact and short circuits during storage and transport.\u003c\/p\u003e \u003cp\u003eThis connector system is used in high-performance battery packs for model making and robotics, in high-current battery management systems, and in portable power supplies with power requirements starting at around 50 A. Typical applications include LiPo battery packs for unmanned aerial vehicles and cordless tools.\u003c\/p\u003e \u003cp\u003eThe solder tab requires suitable soldering equipment, as the power contacts conduct significant amounts of heat. The connector is compatible only with matching XT90 sockets and is not supplied with an adapter cable.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe cover must be removed before plugging in the connector. Soldering work must be carried out carefully to avoid damaging the insulating material. When used in high-current systems, work on electrical circuits must be performed by qualified electricians; if you are unsure about safe wiring, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x XT90H-F connector\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997819707741,"sku":"F23107737","price":2.28,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/xt90h-f-stecker-mit-loetfahne-und-abdeckung-funduino-6236379.jpg?v=1791474095"},{"product_id":"kippschalter-rot-rockerswitch-ein-ein-rastend-125v-3a-3-pins","title":"Red toggle switch - ON\/ON latching, 3 pins, 125 V \/ 3 A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDouble-pole toggle switch with red rocker\u003c\/li\u003e \u003cli\u003eLatching version, remains in the selected position\u003c\/li\u003e \u003cli\u003eRated voltage 250 V AC\u003c\/li\u003e \u003cli\u003eRated current 6 A\u003c\/li\u003e \u003cli\u003eContact configuration 2x ON (two independent circuits)\u003c\/li\u003e \u003cli\u003eStandard mounting on a control panel or enclosure\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis toggle switch with a mechanically latching rocker is suitable for manual switching tasks in applications up to 250 V AC and 6 A. Both switching positions are stable, and the red rocker indicates an activated or deactivated state through its color. The latching mechanism means that once switched, the switch remains in position until it is actuated in the opposite direction.\u003c\/p\u003e \u003cp\u003eThe 2x ON switching function provides two independent switching contacts. This makes it possible to close two separate circuits with one actuation, for example to switch devices on or off synchronously or to implement redundant safety switches. Each contact can be loaded with different voltage or current levels, provided they remain below the rated values.\u003c\/p\u003e \u003cp\u003eIt is typically used in control cabinets, control devices, or laboratory setups where reliable manual switching without complex electronics is required. Examples include emergency stop switches with an indicator light, machine enable switches, or switching between operating modes. The red color and latching function make these positions easy to understand and safe to use.\u003c\/p\u003e \u003cp\u003eThe switch is mounted securely in panel cutouts. Whether it features threaded mounting, clip mounting, or solder terminals cannot be determined from the available information; these details should be checked in the manufacturer's technical drawing. The switching capacity applies to resistive loads; inductive or capacitive loads may reduce the service life.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis switch is not intended for installation in household electrical circuits and is intended exclusively for assembling and testing test setups and development devices. Work on or near electrical systems into which this switch is integrated must be carried out by qualified electricians. If you are unsure about safe commissioning, consult a qualified electrician before beginning work.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Miniature toggle switch (red) ON \/ ON 125V 3A, 3 pins\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997821903197,"sku":"F23107830","price":1.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/kippschalter-rot-rockerswitch-ein-ein-rastend-125v-3a-3-pins-funduino-2957362.png?v=1791493570"},{"product_id":"bd139-bipolarer-npn-transistor-80v-1-5a","title":"BD139 NPN transistor - 80 V, 1.5 A, TO-92","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eBipolar NPN transistor for switching and amplifying currents up to 1.5 A\u003c\/li\u003e \u003cli\u003eBreakdown voltage up to 80 V\u003c\/li\u003e \u003cli\u003eCurrent gain of approximately 40 to 250\u003c\/li\u003e \u003cli\u003eTO-92 plastic package with three terminals\u003c\/li\u003e \u003cli\u003eSuitable for prototyping and development on breadboards and circuit boards\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eAn NPN transistor from this series switches and amplifies DC currents up to 1.5 A in analog and digital circuits. The maximum permissible breakdown voltage of 80 V enables use in many standard electronics applications with operating voltages of up to approximately 60 V. The TO-92 package fits directly onto breadboards and simplifies the assembly of test circuits.\u003c\/p\u003e \u003cp\u003eThe transistor functions as a controlled current source. A small base current opens or closes the current flow between the collector and emitter. The current gain is within the usual range and enables base currents in the milliampere range for control. This makes the component ideal for controlling relays, motors, and LEDs from microcontroller outputs, as well as for signal amplification in multistage amplifier circuits.\u003c\/p\u003e \u003cp\u003eTypical applications include controlling an LED matrix or a small motor from a microcontroller board, amplifying sensor signals before processing, or controlling relay coils as an interface to higher voltages and currents. The low thermal load during short-term applications such as signal amplification does not require cooling measures.\u003c\/p\u003e \u003cp\u003eFor stable operation, the base and collector resistors should be dimensioned according to the intended operating conditions. A protection diode in parallel with the coil is required when controlling inductive loads such as relays or motors. The manufacturer's datasheet contains the exact electrical specifications for limiting conditions and high-frequency applications above approximately 10 kHz.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eObserve the correct polarity when installing the component in the circuit; reversing it can cause the transistor to fail. The product is intended exclusively for prototyping and testing and development purposes. It is not intended for installation in household mains circuits.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x BD139 - Bipolar NPN transistor, 80V, 1.5A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997822460253,"sku":"F23105910","price":0.57,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/bd139-bipolarer-npn-transistor-80v-15a-funduino-7753069.png?v=1791494003"},{"product_id":"keramikkondensator-1uf-1000nf-50v","title":"Ceramic capacitor 1 µF - 1000 nF, 50 V, THT","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCeramic capacitor for circuit diagrams and circuits\u003c\/li\u003e \u003cli\u003eCapacitance 1 µF (1000 nF)\u003c\/li\u003e \u003cli\u003eRated voltage 50 V\u003c\/li\u003e \u003cli\u003eTHT design with radially arranged lead wires\u003c\/li\u003e \u003cli\u003eFor use in analog and digital circuits up to the specified voltage limit\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis ceramic capacitor stores electrical charge and is used in circuit diagrams to smooth voltages, filter high-frequency interference, or decouple loads in digital circuits. With a capacitance of 1 microfarad and a rated voltage of 50 volts, it is suitable for circuits with operating voltages of up to approximately 36 V to maintain a safe operating margin.\u003c\/p\u003e \u003cp\u003eThe ceramic dielectric design means that changes in operating temperature measurably affect the capacitance. This is insignificant for many applications, but becomes critical when filter frequencies must remain temperature-stable. In digital circuits with microcontrollers, this capacitor is typically used to suppress voltage spikes directly at the power supply. It is also used in audio or sensor networks to block DC components.\u003c\/p\u003e \u003cp\u003eThe THT design allows for easy insertion into breadboards and soldering into perforated circuit boards. No additional power supply is required for operation. For voltages above 50 V or applications with strict tolerance requirements, capacitors with other dielectrics must be selected.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis capacitor is intended exclusively for building prototypes and for testing and development purposes. Do not use it in circuits with rated voltages above 50 V. Qualified electricians are required when working on or near electrical installations; if you are unsure about integrating it into a circuit, consult a qualified electrician before assembly.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x ceramic capacitor 1uF, 1000nF -   50V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997824360797,"sku":"F23106556","price":0.19,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/keramikkondensator-1uf-1000nf-50v-funduino-6303014.png?v=1791494008"},{"product_id":"relaiskarte-high-low-level-trigger-8-kanal-5v","title":"8-channel relay module - 5 V, HIGH-LOW trigger, up to 250 V \/ 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRelay board with 8 independent relays for switching mains-voltage loads\u003c\/li\u003e \u003cli\u003eLogic inputs with HIGH\/LOW trigger, operates with 5 V control signals\u003c\/li\u003e \u003cli\u003eEach relay switches up to 250 V AC and 10 A load\u003c\/li\u003e \u003cli\u003eCan be mounted on common development boards via standardized connectors\u003c\/li\u003e \u003cli\u003eOptoisolation between control logic and switching contacts\u003c\/li\u003e \u003cli\u003eBuilt-in flyback diodes for protection against voltage spikes\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis relay board adds eight switching outputs for mains-powered devices to microcontroller boards. Control is provided via LOW-active or HIGH-active inputs, depending on the jumper configuration. This means that the relays can respond either to a 5 V signal or to ground, allowing the board to be integrated flexibly into existing circuits.\u003c\/p\u003e \u003cp\u003eThe optoisolation galvanically separates the control side from the switching contacts. This prevents feedback from the high-voltage circuit to the control logic, increasing stability and protecting sensitive measurement electronics from interference. Each relay is equipped with a flyback diode that absorbs voltage spikes when inductive loads are switched off.\u003c\/p\u003e \u003cp\u003ePractical applications include remote control of heaters, pumps, or lighting via web interfaces or mobile applications, automation of laboratory setups with multiple consumers that can be switched in parallel, and control of solenoid valves in prototypes for fluidics experiments. The board is also suitable for implementing safety circuits that reliably switch off devices under specific sensor conditions.\u003c\/p\u003e \u003cp\u003eA microcontroller or board with digital outputs that provide 5 V logic levels is required. The switching load must not exceed 250 V AC and 10 A. A separate power supply is required to operate the relay module, as the control logic alone does not provide sufficient current.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for prototyping, testing, and development purposes and is not intended for installation in household electrical circuits. Work on or near circuits carrying mains voltage may only be performed by a qualified electrician; consult a qualified electrician before commissioning if anything is unclear. Before connecting, check that the power supply is correct and that the jumper is set correctly for the trigger level.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x HIGH-LOW-LEVEL Trigger - 8-channel, 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997824524637,"sku":"F23106953","price":7.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relaiskarte-high-low-level-trigger-8-kanal-5v-funduino-1781981.png?v=1791493575"},{"product_id":"aht10-digitaler-temperatur-feuchtigkeitssensor-i2c","title":"AHT10 temperature and humidity sensor - I2C, 2.4-5.5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigital temperature and humidity sensor for I2C bus\u003c\/li\u003e \u003cli\u003eTemperature measurement range −40 to +85 °C\u003c\/li\u003e \u003cli\u003eHumidity measurement range 0 to 100% relative humidity\u003c\/li\u003e \u003cli\u003eAccuracy ±2% (humidity) and ±0.3 °C (temperature)\u003c\/li\u003e \u003cli\u003eI2C interface, address switching via hardware possible\u003c\/li\u003e \u003cli\u003eOperating voltage 2.4 to 5.5 V\u003c\/li\u003e \u003cli\u003eFactory calibrated, no recalibration required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe AHT10 is a digital sensor for temperature and humidity with an I2C interface. It records both measured values via a single data line and sends them serially to the connected controller. Since multiple modules can be connected to one I2C bus and the slave address can be switched via hardware, up to two sensors of this type can be operated in parallel without additional wiring.\u003c\/p\u003e \u003cp\u003eThe measured values are factory calibrated. Recalibration is not necessary. The sensor is suitable for room climate monitoring, storage monitoring, and automation applications where humidity and temperature must be measured together. The wide temperature range of −40 to +85 °C also makes the sensor suitable for outdoor measurements or temperature-stressed environments.\u003c\/p\u003e \u003cp\u003eThe operating voltage range of 2.4 to 5.5 V allows direct connection to common microcontroller boards without additional voltage converters. I2C requires standard logic levels; level shifting for 3.3 V systems is only necessary if the I2C bus of other components already operates at 5 V levels. All that is still needed for operation is a suitable software library for the development system being used.\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 the household electrical circuit. Work on or near electrical installations must be carried out by qualified electricians; if you are unsure about correct integration into existing systems, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x AHT10 Digital temperature \u0026amp; humidity sensor, I2C\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997824622941,"sku":"F23108307","price":2.47,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/aht10-digitaler-temperatur-feuchtigkeitssensor-i2c-funduino-7513486.png?v=1791493602"},{"product_id":"taster-sortiment-10x20-stuck-6mm","title":"Tactile pushbutton assortment 6x6 mm - 200 pieces, 10 heights, with box","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAssortment of 200 mini push buttons in 10 different heights, 20 of each\u003c\/li\u003e \u003cli\u003eSquare 6*6 mm footprint, four leads for through-hole mounting\u003c\/li\u003e \u003cli\u003eNormally open contact, closes when pressed and opens when released\u003c\/li\u003e \u003cli\u003eDesigned for 12 V DC with a switching current of up to 50 mA\u003c\/li\u003e \u003cli\u003eSorted in a transparent plastic box with 10 compartments and a lid\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eAn assortment of 200 tactile switches in ten different heights is suitable for control panels, remote controls, and DIY electronic circuits. Each height is included 20 times, providing replacements for recurring projects without the need for a new purchase.\u003c\/p\u003e \u003cp\u003eThe push buttons operate as normally open contacts: they close when pressed and open automatically when released. With four leads, they are designed for through-hole mounting on circuit boards. The switching current is 50 mA at 12 V DC, so they can be controlled directly by microcontroller outputs if these can supply sufficient current, or switched via a transistor for higher loads.\u003c\/p\u003e \u003cp\u003eThe different heights allow adaptation to various enclosure heights or distances from the front panel without the need for spacers. This reduces design effort and makes the push buttons versatile for different construction types.\u003c\/p\u003e \u003cp\u003eThe transparent plastic box with ten labelable compartments and a lid ensures that each height remains sorted and can be found quickly. No additional power supply is required for operation; the push buttons work purely mechanically and switch the contacts as needed.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThese push buttons are intended exclusively for building prototypes and for testing and development purposes and are not suitable for installation in household electrical circuits. For circuits with higher voltages or currents than specified, consult a qualified electrician before commissioning to prevent damage or safety risks.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997836157277,"sku":"F23107190","price":6.65,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/taster-sortiment-10x20-stueck-6mm-funduino-4866420.png?v=1791493184"},{"product_id":"7-miniatur-breadboard-mit-25-steckplatzen","title":"Mini breadboard 25 contacts - 7 pieces, 2.54 mm pitch","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSeven miniature breadboards with 25 tie points each\u003c\/li\u003e \u003cli\u003eRoute connections without soldering\u003c\/li\u003e \u003cli\u003eReposition components as often as needed without damage\u003c\/li\u003e \u003cli\u003eCompact dimensions for tight prototyping areas\u003c\/li\u003e \u003cli\u003eAll tie points continuously connected in rows of five contacts\u003c\/li\u003e \u003cli\u003e2.54 mm standard contact spacing\u003c\/li\u003e \u003cli\u003eSeven-piece set for multi-track or modularly expandable setups\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eSeven small solderless breadboards provide the infrastructure for flexible circuit prototypes. Components with wire diameters of 0.6 to 0.8 millimeters are inserted into spring-loaded metal contacts; connections are created by inserting jumper wires in parallel. The arrangement of 25 tie points per board follows the standard 2.54-millimeter spacing, which is compatible with common components such as resistors, LEDs, potentiometers, or sensors.\u003c\/p\u003e \u003cp\u003eEach tie point connects to a row of five contacts; four or five adjacent contacts are internally connected. This means one jumper wire per connection is sufficient instead of occupying several contacts individually. With seven boards, longer circuits can be arranged or several independent setups can be developed in parallel. Components can be removed and reused without damage; a wiring error requires no soldering or desoldering.\u003c\/p\u003e \u003cp\u003eMini-projects using single-board computers or microcontroller boards benefit from the compact size of these boards. Three or four are enough for an LED display with a basic circuit, a temperature or humidity measurement setup, or initial logic stages. In learning environments, test setups can be assembled quickly without students having to solder materials or destroy components. During experiments with sensors, relays, or simple amplifier stages, the boards and components remain ready for use for months or years.\u003c\/p\u003e \u003cp\u003eDesigned for voltages up to five volts. Connecting several boards using jumper wires only works if the wires are thin enough; approximately 0.6-millimeter enameled copper wire fits without problems, while thick cables bend the contacts. Without an external power supply, a potential is present only at the components themselves that carry current.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eWhen working with this educational device, voltages of up to five volts are used. The product is intended exclusively for building prototypes and for testing and development purposes and must not be connected to the household power supply. If you are unsure about the correct circuit, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Miniature breadboard with 25 tie points - White\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 25 tie points - Black\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 25 tie points - Blue\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 25 tie points - Red\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 25 tie points - Green\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 25 tie points - Lime\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 25 tie points - Yellow\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997836222813,"sku":"F23105536","price":5.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/7-miniatur-breadboard-mit-25-steckplaetzen-funduino-4925291.png?v=1791493173"},{"product_id":"taster-und-schalter-sortiment-180-stuck","title":"Pushbutton and switch assortment - 180 pieces, 3-250 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSet of 180 push buttons and switches in various designs\u003c\/li\u003e \u003cli\u003ePush-button switches, toggle switches, and slide switches\u003c\/li\u003e \u003cli\u003eOperating and actuation voltages from 3 V to 250 V AC\u003c\/li\u003e \u003cli\u003eBrass and silver contact surfaces for different current ratings\u003c\/li\u003e \u003cli\u003eMixed sizes from 6 mm to 24 mm in diameter\u003c\/li\u003e \u003cli\u003eSet enables testing different switch types without purchasing them individually\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis set combines buttons and switches in various designs for building prototypes and experimental setups. The selection includes push-button switches for brief actuation, toggle switches for stable switching positions, and slide switches for continuous actuation, allowing different operating concepts to be tested directly.\u003c\/p\u003e \u003cp\u003eThe components operate in the voltage range from 3 V to 250 V AC, enabling use in both low-voltage electronic circuits and circuits with higher voltages. The brass and silver contact surfaces are designed for different current loads and affect the service life and reliability during repeated switching.\u003c\/p\u003e \u003cp\u003eIn project setups, these switches serve as manual control inputs for microcontroller boards or as direct switching elements for motor and relay control. An experimental setup for controlling a row of LEDs requires a reliable push-button switch with a low operating voltage; a control cabinet prototype with high-voltage components, however, requires a robust switch that operates safely up to 250 V. This set allows both scenarios to be developed without additional orders.\u003c\/p\u003e \u003cp\u003eThe practical benefit is that individual orders are not necessary for every planned switch function. Anyone wishing to compare different switch types or working on several parallel projects with different requirements will find the necessary components readily available here. A power supply for the desired operating voltage, along with suitable connecting wires and enclosure materials for installation, is required.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eWork on circuits with operating voltages above 50 V is reserved for qualified electricians; if in doubt, consult a qualified electrician before commissioning. These components are intended exclusively for building prototypes and for testing and development purposes and are not intended for installation in household electrical circuits.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e20x 6*6*4.3 push buttons\u003c\/li\u003e \u003cli\u003e20x 6*6*5 push buttons\u003c\/li\u003e \u003cli\u003e20x 6*6*6 push buttons\u003c\/li\u003e \u003cli\u003e20x 6*6*7 push buttons\u003c\/li\u003e \u003cli\u003e20x 6*6*8 push buttons\u003c\/li\u003e \u003cli\u003e20x 6*6*9.5 push buttons\u003c\/li\u003e \u003cli\u003e20x 6*6*11 push buttons\u003c\/li\u003e \u003cli\u003e15x 6*6*12 push buttons\u003c\/li\u003e \u003cli\u003e15x 6*6*13 push buttons\u003c\/li\u003e \u003cli\u003e20x 6*6*14 switches\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997836255581,"sku":"F23107304","price":6.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/taster-und-schalter-sortiment-180-stueck-funduino-4600243.png?v=1791494704"},{"product_id":"relaiskarte-solid-state-relais-4-kanal-5v","title":"4-channel solid-state relay module - 5 V, 2 A at 250 V AC","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFour-channel relay module for switching tasks with digital signals\u003c\/li\u003e \u003cli\u003eSolid-state relays without mechanical contacts\u003c\/li\u003e \u003cli\u003eOperating voltage 5 V, TTL-compatible input logic\u003c\/li\u003e \u003cli\u003eOutput side supports up to 2 A per channel at 250 V AC or 30 V DC\u003c\/li\u003e \u003cli\u003eDirect connection to microcontroller boards with 5 V outputs\u003c\/li\u003e \u003cli\u003eGalvanic isolation between the control and switching circuits\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe four-channel solid-state relay module switches loads such as lamps, motors, or heaters via digital control signals from a microcontroller. Instead of mechanical contacts, it uses semiconductor components, providing a practically unlimited number of switching cycles and complete freedom from wear.\u003c\/p\u003e \u003cp\u003eEach of the four channels responds to 5 V logic and can switch up to 2 A on the output side, allowing AC loads of up to 250 V or DC loads of up to 30 V to be switched. Galvanic isolation between the control inputs and switching contacts prevents interference voltages from the load from affecting the microcontroller.\u003c\/p\u003e \u003cp\u003eTypical applications include automated lighting controls, such as switching on rechargeable spotlights based on light sensor readings, or remotely activating miniature pumps and valves in hobby projects. The module is also suitable for stepless dimming of LED groups or switching smaller hot glue gun heating controls on and off.\u003c\/p\u003e \u003cp\u003eThe control side is connected directly to the microcontroller's output pins; a HIGH signal at the control input opens the corresponding channel. The output side receives the load to be switched separately with its own power supply (transformer, power adapter, or battery, depending on the load). Reverse polarity on the output side will not damage the module, but output latching is not possible.\u003c\/p\u003e \u003cp\u003eA power supply, switching loads, and connection cables are not included. Connecting 230 V mains voltage must be carried out by a qualified electrician; their advice should also be sought whenever there is uncertainty about setting up the power supply.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis module is not intended for direct connection to the household mains circuit. Connecting 230 V mains voltage and working on electrical installations are reserved exclusively for qualified electricians. The module is intended exclusively for building prototypes and for testing and development purposes. If you are uncertain about the output circuit, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x relay board. Solid-state relay - 4-channel, 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997836288349,"sku":"F23106987","price":7.53,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relaiskarte-solid-state-relais-4-kanal-5v-funduino-3854000.png?v=1791493174"},{"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":"relaiskarte-1-kanal-12v-230v-fur-arduino","title":"1-channel relay module - 12 V control, switches up to 230 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRelay board for switching 230 V loads using a low-level control signal\u003c\/li\u003e \u003cli\u003eOne potential-free relay as an output module\u003c\/li\u003e \u003cli\u003eControl circuit operating voltage: 12 V\u003c\/li\u003e \u003cli\u003eSwitching capacity of up to 10 A at 230 V\u003c\/li\u003e \u003cli\u003eOptocoupler isolation between the control and switching circuits\u003c\/li\u003e \u003cli\u003eFour connection pins for control logic with standardized pinout\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis module connects low-level electronics to mains-powered devices and loads on the 230 V grid. It consists of an electromagnetic relay with an optocoupler that galvanically isolates the 12 V control circuit from the 230 V circuit. This allows Arduino boards and similar controller boards to be used safely for switching household appliances, lamps, or industrial loads.\u003c\/p\u003e \u003cp\u003eA digital control signal at the four connection pins triggers the switching process. The potential-free relay allows both switching in existing power lines and connecting various types of loads regardless of their internal circuitry. At a rated load of 10 A and 230 V, the module operates reliably in typical home automation scenarios such as timed switching of radiators, switching outdoor lighting based on dusk detection, or remotely controlling workshop machines over an Internet connection.\u003c\/p\u003e \u003cp\u003eThe module is connected to an Arduino or compatible board via the control inputs. A separate 12 V power supply is required for operation. The 230 V installation may only be carried out by a qualified electrician, as may any modifications to the existing mains circuit.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe relay board operates with mains voltage (230 V) and must not be integrated into existing household power lines without a qualified electrician. The module is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; consult a qualified electrician if you are unsure about the correct wiring.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 1-channel 12V \/ 230V relay board for Arduino\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997841596765,"sku":"F23106469","price":2.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relaiskarte-1-kanal-12v-230v-fuer-arduino-funduino-7225702.png?v=1791494719"},{"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":"3-830p-breadboard-40-stk-m-m-kabel-40-stk-m-f-kabel-40-stk-f-f-kabel","title":"Breadboard Bundle - 3x 830 contacts, 120 M\/M, M\/F, F\/F jumper wires","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eConnection wires for breadboards, 40 male-to-male wires and 40 male-to-female wires\u003c\/li\u003e \u003cli\u003eLength: 10 cm, flexible plastic-coated copper wire\u003c\/li\u003e \u003cli\u003ePlugs and sockets with gold-plated contacts\u003c\/li\u003e \u003cli\u003eColor coding of the wires for easy identification\u003c\/li\u003e \u003cli\u003eTotal of 80 wires for extensive breadboard setups\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis set provides all common wiring cables for working with breadboards. With 40 each of male-to-male and male-to-female variants, prototypes can be built with microcontroller boards, sensors, and other modules without having to resolder anything during experimentation.\u003c\/p\u003e \u003cp\u003eThe compact 10 cm length enables dense connections on the breadboard while keeping the wiring organized. The gold-plated contacts ensure stable connections without oxidation problems, especially since the cables are frequently plugged and unplugged. Each wire has a distinct color, which makes tracing potentials and ground connections in more complex circuits considerably easier.\u003c\/p\u003e \u003cp\u003eThe combination of male and female cables covers typical wiring tasks: male-to-male cables connect two bus rails on the breadboard or two male headers on add-on modules, while male-to-female cables connect modules with pin headers to female connection points. For extensive test setups with multiple components, the 80 cables in the set compensate for wear and enable quick reconfiguration without additional orders.\u003c\/p\u003e \u003cp\u003eOnly the unrestricted expandability of a breadboard, that is, larger projects without soldering, requires the complete set. For smaller prototypes, 20 to 30 cables in total are often sufficient. The material in the contact sleeves typically shows visible wear after three to four years of intensive use, and the cables should then be replaced.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThese cables are intended exclusively for building prototypes and for testing and development purposes on breadboards and microcontroller boards. They must never be used for reverse polarity or high-voltage applications in household electrical circuits. Before commissioning new circuits, a qualified electrician should check the circuit diagram if mains voltage is involved or if there is any uncertainty.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e3* Breadboard with 830 contacts\u003c\/li\u003e \u003cli\u003e1* 40 male\/female breadboard wires\u003c\/li\u003e \u003cli\u003e1* 40 male\/male breadboard wires\u003c\/li\u003e \u003cli\u003e1* 40 female\/female breadboard wires\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844644189,"sku":"F23105529","price":11.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/3-830p-breadboard-40-stk-mm-kabel-40-stk-mf-kabel-40-stk-ff-kabel-funduino-4242311.png?v=1791494726"},{"product_id":"leonardo-r3-mikrocontroller-atmega32u4-kompatibel-zu-arduino","title":"Leonardo R3 Microcontroller - ATmega32U4, USB, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMicrocontroller board with ATMEGA32U4, USB connection for direct programming without an additional programmer\u003c\/li\u003e \u003cli\u003e32 digital inputs and outputs as well as 12 analog inputs\u003c\/li\u003e \u003cli\u003e6 PWM outputs (pulse-width modulation) for motor control and brightness adjustment\u003c\/li\u003e \u003cli\u003e5 V operating voltage, can be powered via USB or an external power supply\u003c\/li\u003e \u003cli\u003eIntegrated USB controller enables direct control as an input device or serial interface\u003c\/li\u003e \u003cli\u003eProgramming via the popular Arduino IDE without driver installation\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis single-board computer with an ATMEGA32U4 microcontroller is suitable for prototypes and test setups in electronics development. Unlike many related boards, the device can be programmed and controlled directly via the USB connection without requiring a separate programmer. The integrated USB functionality also enables the direct simulation of input devices such as keyboards or mice.\u003c\/p\u003e \u003cp\u003eThe board is powered with 5 V and can be connected either via USB or an external power source. The 32 digital connections are used to control sensors and actuators; six of them support pulse-width modulation for variable output values such as motor speed or LED brightness. The 12 analog inputs capture continuous measurement values from sensors. Programming is performed via the Arduino IDE, a free development environment that is widely used and does not require additional drivers on Windows systems.\u003c\/p\u003e \u003cp\u003eThe board can be used in numerous projects, including robot control with multiple motors and sensors, interactive art installations with sensor input and USB output, automation of laboratory equipment, or simple data acquisition with graphical evaluation on a PC. One specific scenario is controlling multiple servos for a robotic arm while distance sensors limit its movement and the board simultaneously reports its current status to the computer via USB.\u003c\/p\u003e \u003cp\u003eA USB cable for programming and power is required, as well as an external power source if the USB port does not supply sufficient power, and a computer with the Arduino IDE. The board is not intended for permanent installation in household appliances or operation at mains voltage.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe board operates with 5 V logic levels; direct connection to 3.3 V systems without a level shifter will cause errors or damage. This product is intended exclusively for building prototypes and for testing and development purposes and is not intended for installation in household electrical circuits. Work on or near electrical installations must be carried out by qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cp\u003eincluded!)\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844709725,"sku":"F23106529","price":11.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/leonardo-r3-mikrocontroller-atmega32u4-kompatibel-zu-arduino-funduino-5290167.png?v=1791493193"},{"product_id":"e18-d80nk-infrarot-sensor-hinderniserkennung-infrarotlichtschranke-naherungsschalter-npn-80cm","title":"E18-D80NK Infrared Obstacle Sensor - NPN, up to 80 cm, 5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eInfrared reflective light sensor for obstacle detection\u003c\/li\u003e \u003cli\u003eDetection range of up to 80 cm\u003c\/li\u003e \u003cli\u003eDigital output (HIGH\/LOW)\u003c\/li\u003e \u003cli\u003eOperating voltage: 5 V\u003c\/li\u003e \u003cli\u003eCompact housing with sensor and LED in a single unit\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe infrared sensor operates according to the reflective light principle: an integrated infrared LED emits light that is reflected back to the sensor by objects. A photodetector captures this reflected light and switches the digital output when an object comes within range. This enables reliable obstacle detection without the need for calibration.\u003c\/p\u003e \u003cp\u003eWith a maximum detection range of 80 cm, the sensor is suitable for robot navigation, obstacle detection in automated vehicles, or distance monitoring for arms and manipulators. It can also be used as a door opener sensor or for object detection on production equipment. The digital interface provides an immediately processable signal.\u003c\/p\u003e \u003cp\u003eThe sensor requires a 5 V power supply and outputs obstacle detection as a digital signal. The housing combines the sensor optics and control electronics in a compact design, making integration into confined spaces easier. Operation requires only a 5 V power source and a connection to a digital input of a microcontroller board.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis sensor is intended exclusively for building prototypes and for testing and development purposes. The device is not intended for installation in the household power circuit. Ensure correct polarity when connecting the power supply, as reverse polarity may cause damage.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844840797,"sku":"F23108775","price":3.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/e18-d80nk-infrarot-sensor-hinderniserkennung-infrarotlichtschranke-naeherungsschalter-npn-80cm-funduino-8823225.png?v=1791494077"},{"product_id":"7-miniatur-breadboard-mit-170-steckplatzen","title":"Mini Breadboard 170 Contacts - 7 pieces, 35 x 47 mm","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSeven miniature breadboards with 170 tie points each\u003c\/li\u003e \u003cli\u003eFor building test circuits without soldering\u003c\/li\u003e \u003cli\u003eEach board with separate power rails\u003c\/li\u003e \u003cli\u003e35 mm wide and 47 mm long for space-saving arrangements\u003c\/li\u003e \u003cli\u003eCompatible with standard jumper wires and IC components\u003c\/li\u003e \u003cli\u003eIdeal for multiple parallel projects or training groups\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis set consists of seven breadboards for building test circuits without soldering. With 170 contact points per board, a working prototype can be assembled quickly. Each board has separate power rails on the top, allowing different voltages to be distributed in parallel.\u003c\/p\u003e \u003cp\u003eThe compact design, measuring 35 mm wide and 47 mm long, allows several boards to be arranged next to or on top of one another to save space or installed in tight spaces. The standard contacts accommodate common IC components in DIL packages and jumper wires up to approximately 0.8 mm in diameter without requiring any special preparation.\u003c\/p\u003e \u003cp\u003eThe seven boards enable various application scenarios: electrical trainees can have a separate board for each learning group, project developers can test several circuit variants simultaneously, and beginners can receive individual boards for documenting completed experiments. In each of these cases, the set saves both wiring effort and the cost of purchasing several individual boards.\u003c\/p\u003e \u003cp\u003eNo additional equipment is required for operation apart from a power supply and jumper wires. The plug-in connections wear out with repeated insertion and removal; with intensive use over a longer period, individual contacts may become less reliable.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThese breadboards are intended exclusively for building prototypes and for testing and development purposes. They are not intended for installation in household electrical circuits. 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\u003e1* Miniature breadboard with 170 tie points - White\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 170 tie points - Yellow\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 170 tie points - Transparent\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 170 tie points - Black\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 170 tie points - Green\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 170 tie points - Red\u003c\/li\u003e \u003cli\u003e1* Miniature breadboard with 170 tie points - Blue\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997844873565,"sku":"F23105535","price":6.35,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/7-miniatur-breadboard-mit-170-steckplaetzen-funduino-8175752.png?v=1791494078"},{"product_id":"prazisionsschraubendreher-feinmechaniker-set-31-in-1","title":"Precision Screwdriver Set - 31 pieces, magnetized","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e31-piece set of precision screwdrivers for fine mechanics\u003c\/li\u003e \u003cli\u003eHardened steel blades, magnetized\u003c\/li\u003e \u003cli\u003ePlastic handles with a non-slip profile\u003c\/li\u003e \u003cli\u003eFlat-head, Phillips and pointed screwdrivers in various sizes\u003c\/li\u003e \u003cli\u003eIn a practical pouch or box for storage\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe precision screwdriver set is designed for the smallest fasteners in fine mechanics. The 31 tools cover the common screw head types, enabling precise work on electronic modules, optical components or mechanical sensors without causing damage.\u003c\/p\u003e \u003cp\u003eThe hardened steel blades grip securely in small screw heads without slipping. The magnetization keeps screws in position during use, saving time especially in confined workspaces. The non-slip plastic handles allow fine control of torque, even during extended periods of work.\u003c\/p\u003e \u003cp\u003eApplications include the repair and adjustment of laboratory equipment, mounting sensor modules on circuit boards, disassembling and calibrating measuring instruments, or maintaining microcontroller boards with firmly screwed components. The small tools are also regularly used when assembling electronics educational kits that require individual assemblies to be screwed together.\u003c\/p\u003e \u003cp\u003eStoring the set in the included pouch or box keeps all parts organized and protects the fine blades from wear. For professional, continuous use in the workshop, the set quickly becomes an indispensable addition to the tool inventory.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis set is intended exclusively for assembling, repairing and maintaining electronics, laboratory measuring instruments and fine mechanics components. Work on or near electrical circuits may only be carried out by qualified electricians. If you are unsure about the safety of a task, consult a qualified electrician before starting.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003ePrecision Screwdriver \/ Fine Mechanics Set 31-in-1\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997846053213,"sku":"F23107188","price":1.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/praezisionsschraubendreher-feinmechaniker-set-31-in-1-funduino-7483751.png?v=1791493747"},{"product_id":"relaiskarte-high-low-level-trigger-4-kanal-5v","title":"4-Channel Relay Module - 5 V, high- and low-trigger, 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFour-channel relay module with 5 V power supply\u003c\/li\u003e \u003cli\u003eHigh- and low-level trigger inputs can be selected as required\u003c\/li\u003e \u003cli\u003eFour independently switchable relays rated up to 10 A per channel\u003c\/li\u003e \u003cli\u003eDirect connection to microcontroller boards with 5 V logic\u003c\/li\u003e \u003cli\u003eOptocouplers galvanically isolate the control logic from the relay circuit\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis relay module switches four independent circuits with a load of up to 10 A per channel. The power supply is provided by a separate 5 V power source; the control lines from the microcontroller also require 5 V levels. Each channel is controlled via an input configurable for high- or low-level triggering, where high-level means that the relay engages at logic 1, and low-level means that it engages at logic 0. The selection is made using a jumper for each channel.\u003c\/p\u003e \u003cp\u003eThe optocoupler on each channel galvanically isolates the control circuitry from the switched circuits. This means that interference voltages from the load do not affect the sensitive logic side. The module is therefore suitable for building automation systems in which sensors or buttons on the board switch motors, solenoid valves, solenoid coils, or loads in the general power circuit on and off. Lamps or heating elements can also be controlled without additional adapters.\u003c\/p\u003e \u003cp\u003ePractical applications include automated greenhouses, where fans and heating can be switched, model railway controls that operate multiple tracks and points, or laboratory setups where various circuits need to be synchronized. The module is particularly useful when a single microcontroller needs to coordinate several independent, high-current components.\u003c\/p\u003e \u003cp\u003eThe operating voltage is 5 V, allowing the module to be connected directly to boards such as the common single-board computer. The maximum contact load is 10 A per relay at 250 V AC or 30 V DC; a separate power supply for the relay coil is not required. Commissioning requires a 5 V power source and connection wires.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eWhen switching AC consumers or loads above 50 V, consult a qualified electrician. This module is intended exclusively for prototypes and test and development purposes and is not suitable for installation in household electrical circuits. If anything is unclear before commissioning, consult a qualified electrician.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x HIGH-LOW-LEVEL Trigger - 4-channel, 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997846217053,"sku":"F23108521","price":4.88,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relaiskarte-high-low-level-trigger-4-kanal-5v-funduino-3599146.png?v=1791494747"},{"product_id":"lay37-11zs-pbcy090-not-aus-schalter","title":"LAY37-11ZS Emergency Stop Switch - mushroom head Ø 60 mm, IP65, latching","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eLarge emergency stop switch for safe system shutdown\u003c\/li\u003e \u003cli\u003eRed mushroom-head pushbutton, diameter 60 mm\u003c\/li\u003e \u003cli\u003eNormally open contact, latching until actuated\u003c\/li\u003e \u003cli\u003eSurface mounting on control cabinet or control panel\u003c\/li\u003e \u003cli\u003eIP65 protection rating against splash water and dust\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis emergency stop switch is used to immediately and safely shut down machines and systems in an emergency. The large red mushroom head with a diameter of 60 mm enables safe operation with the flat of the hand, even under difficult conditions. The switch uses a normally open contact that opens when pressed, thereby interrupting the power supply or signal enable. In the latched state, the switching position remains maintained until the switch is actuated manually again.\u003c\/p\u003e \u003cp\u003eThe IP65 protection rating protects against splash water and dust ingress, making the switch suitable for harsh operating environments such as workshops or outdoor areas. Surface mounting is carried out directly on control cabinets or control panels, enabling quick integration into existing systems.\u003c\/p\u003e \u003cp\u003eTypical applications include the emergency shutdown of production machines, conveyor systems, machine tools, or mobile devices. The switch is also used in test benches and laboratory test setups where reliable emergency latching is required.\u003c\/p\u003e \u003cp\u003eConnection wires for the switch terminals are required for operation. The contact resistance and maximum permissible switching capacity must be taken from the manufacturer's technical data to ensure safe dimensioning of the controlling circuits.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis emergency stop switch is not intended for direct installation in a household power circuit. An emergency stop switch is used exclusively for safely shutting down machines and systems; work on or in the immediate vicinity of electrical installations must be carried out by a qualified electrician. 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\u003e1* LAY37-11ZS (PBCY090) -  Emergency Stop Switch\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997846446429,"sku":"F23106772","price":2.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/lay37-11zs-pbcy090-not-aus-schalter-funduino-6278395.png?v=1791493745"},{"product_id":"prazisionsschraubendreher-set-31-in-1-mit-pinzette","title":"Precision screwdriver set - 31 bits, tweezers, magnetic","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePrecision screwdriver set with 31 bits and tweezers\u003c\/li\u003e \u003cli\u003eSuitable for watches, glasses, electronic devices, and jewelry\u003c\/li\u003e \u003cli\u003eMagnetic tips on the bits\u003c\/li\u003e \u003cli\u003eErgonomic handle design for precise handling\u003c\/li\u003e \u003cli\u003eTweezers for delicate work included in the set\u003c\/li\u003e \u003cli\u003eCompact storage in a practical case\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis precision screwdriver set with 31 interchangeable bits and tweezers is designed for working on miniaturized components. The magnetic tips hold screws securely on the bit, even when access is difficult, and significantly reduce the risk of losing small parts.\u003c\/p\u003e \u003cp\u003eThe ergonomically shaped handle enables fatigue-free work with precise control, even during extended work sessions. The wide range of bit sizes covers common flat-head, Phillips, and other screw head types. The included tweezers make it easier to position or grip tiny components that cannot be handled safely with bare fingers.\u003c\/p\u003e \u003cp\u003eTypical applications include repairing watches and glasses, where working spaces in the millimeter range are standard, as well as maintaining smartphones, tablets, and similar devices. Jewelry repairs and model making also benefit from the precision of this set.\u003c\/p\u003e \u003cp\u003eThe tool requires no power supply or special preparation. Before extended storage, the bits should be kept dry to prevent oxidation of the magnetic tips.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis set is intended exclusively for repair, testing, and maintenance work on electronic devices and small parts. When working on live components or in electrical circuits, consult a qualified electrician. The small parts, particularly the bits and tweezers, pose a choking hazard.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997850280285,"sku":"F23107301","price":4.47,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/praezisionsschraubendreher-set-31-in-1-mit-pinzette-funduino-4900704.png?v=1791494204"},{"product_id":"druckfeder-fur-heizbetten-und-extruder","title":"Compression spring Ø 8 mm - 25 mm long, 1.5 N\/mm, stainless steel, 4 pieces","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCompression spring for heated beds and extruders of 3D printers\u003c\/li\u003e \u003cli\u003eDiameter 8 mm, length 25 mm\u003c\/li\u003e \u003cli\u003eSpring rate 1.5 N\/mm for even contact pressure\u003c\/li\u003e \u003cli\u003eStainless steel, corrosion-resistant\u003c\/li\u003e \u003cli\u003eScope of delivery, 4 pieces per pack\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis compression spring stabilizes the contact between the heated bed and the print platform, as well as between the extruder and hotend in 3D printers. With its spring rate of 1.5 N\/mm, the spring generates constant, even pressure, which is necessary to ensure reliable thermal contact and prevent print quality issues caused by poor heat transfer.\u003c\/p\u003e \u003cp\u003eMade of stainless steel, the spring withstands repeated thermal cycles between room temperature and over 100 degrees Celsius without losing its spring properties or rusting. Thanks to its robust material, the spring is suitable for continuous use in heated printers.\u003c\/p\u003e \u003cp\u003eThe spring is typically installed in sets of four, as standard heated beds require four or more pressure points. In the event of wear or cracks, the spring can be easily replaced without extensively disassembling the printer. The 8 mm diameter fits standard threaded inserts used in most heated bed designs.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis compression spring is intended exclusively for the assembly and maintenance of 3D printers, as well as for development and testing purposes. It must not be installed in the electrical system of a building. If you are unsure how to handle the thermal and mechanical loads in the printer, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Compression spring for heated beds and extruders\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997850313053,"sku":"F23109048","price":0.2,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/druckfeder-fuer-heizbetten-und-extruder-funduino-7470996.png?v=1791493749"},{"product_id":"mini-usb-auf-dip-adapter-5-pin-buchse-usb-b-typ-pcb-konverter-modulplatine","title":"Mini USB adapter board - Type B socket, 5-pin, DIP 2.54 mm","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUSB-B socket for connecting to perfboards and breadboards\u003c\/li\u003e \u003cli\u003e5-pin Mini-USB connection (USB 2.0 Full-Speed)\u003c\/li\u003e \u003cli\u003eAdapter converts USB signals to a 2.54 mm DIP pitch\u003c\/li\u003e \u003cli\u003ePower supply and data lines distributed across separate connections\u003c\/li\u003e \u003cli\u003eCompact design for space-saving circuits\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis adapter connects USB devices or PC interface cables to perfboards. The Mini-USB B socket is mounted on a DIP circuit board whose connections fit the 2.54 mm pitch of breadboards and prototyping boards. This eliminates the need for soldering the power supply and data lines (D+, D–, ground).\u003c\/p\u003e \u003cp\u003eThe signals are available as individual pins, with power supplied through two contacts, the two data lines separate, and ground on the required return path. If you need to transfer data, connect the signal lines to a microcontroller board that supports USB natively or uses a chipset with the interface. For power supply only, both data pins can be left unconnected.\u003c\/p\u003e \u003cp\u003eIt is commonly used in test setups with boards such as Arduinos or Raspberry Pi, where serial programming is performed via USB, as well as in measurement projects requiring an external power supply. The adapter is also often used in robotics prototypes as a central power distribution point from the computer when several modules are to be powered in parallel.\u003c\/p\u003e \u003cp\u003eA USB-A-to-Mini-B cable is required for operation if one is not already available. The current capacity depends on the cable and the USB port source; the standard is 500 mA for USB 2.0. There is no voltage boost; the raw USB voltage of approximately 5 V is supplied.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis adapter module is intended exclusively for building prototypes and for testing and development purposes and is not designed for installation in household electrical circuits. When operating with sensitive components, check the reverse-polarity protection and provide diode protection if necessary. Consult a qualified electrician when working on or near a building's power supply.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Mini-USB-to-DIP adapter, 5-pin socket, USB Type B, PCB converter module board\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997855195485,"sku":"F23106914","price":1.13,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mini-usb-auf-dip-adapter-5-pin-buchse-usb-b-typ-pcb-konverter-modulplatine-funduino-9734065.jpg?v=1791494751"},{"product_id":"idc-flachbandkabel-fc-typ-a-20-polig-2x10-2-54mm-10cm","title":"IDC ribbon cable FC Type A - 20-pin, 2x10, 2.54 mm, 10 cm","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e \u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e \u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e \u003cdiv class=\"flex max-w-full flex-col grow\"\u003e \u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"60805cee-7622-47c5-86e1-1d6128857b57\" data-message-model-slug=\"gpt-5-2-thinking\"\u003e \u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e \u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e \u003cp data-start=\"0\" data-end=\"511\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe IDC ribbon cable FC Type A (20-pin, 2x10, 2.54mm, 10cm) is a compact connecting cable for reliable signal and data connections in electronics projects with box headers.\u003c\/p\u003e \u003cp data-start=\"0\" data-end=\"511\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWith its 2.54mm pitch, it fits standard box headers\/pin headers (e.g., on controllers, adapter boards, or prototype boards).\u003c\/p\u003e \u003cp data-start=\"0\" data-end=\"511\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe short cable length of 10cm ensures neat, space-saving cable routing - ideal for device assemblies, internal wiring, and quick test setups in the laboratory or hobby sector \u003c\/p\u003e \u003cp data-start=\"0\" data-end=\"511\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong\u003ePackage contents\u003c\/strong\u003e: \u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e \u003cul\u003e \u003cli\u003e1x IDC ribbon cable FC, Type A, 20-pin, 2.54mm, 10cm \u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"pointer-events-none h-px w-px absolute bottom-0\" data-edge=\"true\"\u003e \u003c\/div\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997857227101,"sku":"F25110811","price":1.61,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/idc-flachbandkabel-fc-typ-a-20-polig-2x10-254mm-10cm-funduino-6447052.png?v=1791494211"},{"product_id":"xt30-fassung-und-stecker-mit-lotfahne-male-und-female","title":"XT30 connectors - male and female with solder tabs, 15 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eConnector pair (plug and socket) for high-current applications\u003c\/li\u003e \u003cli\u003eConnection by soldering; crimping is not required\u003c\/li\u003e \u003cli\u003e2 gold-plated contacts per part\u003c\/li\u003e \u003cli\u003eReverse-polarity protected through a form-fitting connector mechanism\u003c\/li\u003e \u003cli\u003eRated current 15 A, 30 A for short periods\u003c\/li\u003e \u003cli\u003ePolyamide housing, temperature-resistant up to 120 °C\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe XT30 connector pair consists of a plug and socket, each with two gold-plated contacts designed as solder tabs. Soldering directly to the cable is not necessary, and no crimping tool is required. The gold plating keeps contact resistance low and protects the contacts against oxidation.\u003c\/p\u003e \u003cp\u003eThe form-fitting geometry permits only one connection direction, preventing reverse polarity. The polyamide housing holds the two parts together after connection through its shape alone, without additional locking, and retains its shape during soldering.\u003c\/p\u003e \u003cp\u003eThe connector is designed for a continuous current of 15 A; short-term loads of up to 30 A are possible. This makes it the standard for connecting batteries to motors and electronic speed controllers in RC models, small robots, and LED installations. The operating temperature range from minus 20 to 120 degrees Celsius ensures safe connections even when heat is generated.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eWhen soldering, safety guidelines for soldering work must be observed. This product is intended exclusively for building prototypes and for testing and development purposes. If you have questions about current capacity or use in electrical systems, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997860405597,"sku":"F23108599","price":1.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/xt30-fassung-und-stecker-mit-loetfahne-male-und-female-funduino-2407100.jpg?v=1791493233"},{"product_id":"16-kanal-relais-modul-5v","title":"16-channel relay module - 5 V control, switches up to 230 V \/ 10 A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e16 independent relay switches for 230 V loads\u003c\/li\u003e \u003cli\u003eControl via 5 V logic with optical isolation\u003c\/li\u003e \u003cli\u003eSeparate control and switching connections for each relay\u003c\/li\u003e \u003cli\u003e5 V power supply required for the control logic\u003c\/li\u003e \u003cli\u003eSwitching capacity of up to 10 A per relay\u003c\/li\u003e \u003cli\u003eHigh integration density, all 16 channels on one board\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis 16-channel relay module switches high-power loads via relay outputs, while the control logic operates at 5 V levels with optical isolation. Each channel operates independently: a digital control signal at the input energizes the relay, and the normally open contact at the output then switches the load. The optical isolation protects sensitive controllers or sensors from interference caused by switching operations.\u003c\/p\u003e \u003cp\u003eEach relay channel can switch loads of up to approximately 10 A, corresponding to typical household load applications of up to approximately 2300 W at 230 V. The control logic requires a 5 V operating voltage, which can be supplied by a standard microcontroller board or a separate power supply. All 16 channels operate in parallel without affecting one another.\u003c\/p\u003e \u003cp\u003eExample applications include switchable lighting in model-making dioramas, controlling fan heaters in breeding boxes, or remotely switching cleanrooms with several independent groups of power outlets. Test setups for automation tasks also benefit from the high channel count and the stepless combination of on and off logic.\u003c\/p\u003e \u003cp\u003eA stable 5 V power supply with sufficient current for all activated channels is required, typically one or two amperes in total. An external power supply for the 230 V loads is required for the switching circuit itself and is not included.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is intended exclusively for building prototypes and for testing and development purposes. Switching mains voltage requires the utmost care; work on or immediately next to live parts is reserved exclusively for qualified electricians. If there is any uncertainty regarding the wiring or functional testing, a qualified electrician must be consulted before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 16-channel relay module - 5 V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997863616861,"sku":"F23107192","price":12.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/16-kanal-relais-modul-5v-funduino-6186868.png?v=1791493244"},{"product_id":"miniatur-kugellager-688rs-8-16-5mm","title":"688RS ball bearing - miniature, 8 x 16 x 5 mm, sealed","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMiniature ball bearing with an 8 mm bore, 16 mm outside diameter, and 5 mm width\u003c\/li\u003e \u003cli\u003eSteel cage with seals (RS version)\u003c\/li\u003e \u003cli\u003eHigh speeds of up to approximately 10000 min⁻¹ possible\u003c\/li\u003e \u003cli\u003eMaintenance-free due to permanent lubrication\u003c\/li\u003e \u003cli\u003eLow-vibration and smooth-running\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis miniature ball bearing is suitable for small, fast-rotating shafts in model making and prototyping. With an 8 mm bore and 16 mm outside diameter, it fits into compact assemblies where space is limited. The seals on both sides keep out dirt and moisture without significantly limiting the rotational speed.\u003c\/p\u003e \u003cp\u003eThe steel cage keeps the balls evenly spaced and reduces friction. The permanent lubrication eliminates the need for maintenance or relubrication. The bearing runs with minimal vibration and smoothly, which is advantageous for high-speed applications.\u003c\/p\u003e \u003cp\u003eApplications include small fans and air pumps, unmanned aerial vehicles with electric motors, model-making gear drives, and spindle drives in 3D printers or hobby CNC milling machines. Wherever a small shaft needs to rotate quickly and continuously, this bearing is a suitable choice.\u003c\/p\u003e \u003cp\u003eThe bearing is intended as a consumable; it should be replaced when worn or damaged. Extreme shocks and misalignment shorten its service life. For applications under continuous load, the permissible load rating should be checked.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eProcessing may pose a risk of crushing and cutting injuries. The bearing may only be installed in processing equipment that complies with safety regulations. If you have questions about integration into industrial or medical systems, consult a qualified professional.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Miniature ball bearing 688rs - 8*16*5mm\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997863682397,"sku":"F23105939","price":1.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/miniatur-kugellager-688rs-8165mm-funduino-1411190.png?v=1791493247"},{"product_id":"mini-kit-leds-schalter-widerstande-batterieklemme-dupont-kabel-breadboard","title":"Electronics mini kit - basic components with breadboard","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSet of basic components for simple circuits\u003c\/li\u003e \u003cli\u003eLEDs in multiple colors\u003c\/li\u003e \u003cli\u003eSwitches and resistors with various values\u003c\/li\u003e \u003cli\u003eBattery clip for 9 V block batteries\u003c\/li\u003e \u003cli\u003eSufficient for several independent projects\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis kit contains the essential components for getting started with electronics. With LEDs, resistors, and a battery clip, you can immediately build functioning circuits without having to source individual components. The battery clip connects to a 9 V block battery to provide the power supply.\u003c\/p\u003e \u003cp\u003eResistors limit the current through the LEDs to safe levels, preventing them from being damaged. A switch opens or closes the circuit as needed. The component values provided allow you to build several independent circuits from a single kit.\u003c\/p\u003e \u003cp\u003eTypical applications include signal lights, simple alarm circuits with triggerable lights, or learning projects that teach basic current-flow concepts. For example, anyone wanting to develop a portable warning signal will find all the necessary parts here for a functional prototype.\u003c\/p\u003e \u003cp\u003eA 9 V block battery is not included in the kit and must be purchased separately. The circuit can be assembled without requiring circuit boards or breadboards, so each LED is connected directly to the battery terminals through its resistor.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis kit is intended exclusively for building prototypes and for testing and development purposes. It must not be connected to household electrical circuits or other mains-voltage applications. If you have questions about proper construction or circuit assembly, consult a qualified electrician.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997864698205,"sku":"F23110155","price":3.53,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mini-kit-leds-schalter-widerstaende-batterieklemme-dupont-kabel-breadboard-funduino-2830071.png?v=1791494808"},{"product_id":"relais-modul-12v-1-kanal-low-level-trigger","title":"Relay module 1-channel 12 V - LOW-level trigger, up to 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRelay switch module for 12 V loads\u003c\/li\u003e \u003cli\u003eOne channel with changeover contact, rated for up to 10 A\u003c\/li\u003e \u003cli\u003eLOW-level trigger controlled by a microcontroller\u003c\/li\u003e \u003cli\u003eOptical isolation between control logic and relay coil\u003c\/li\u003e \u003cli\u003eOnboard LED indicates the switching state\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis relay module switches 12 V loads via an optically isolated control input. LOW-level activation enables direct connection to microcontroller outputs in the 3.3 V or 5 V range without additional signal conditioning. The changeover contact handles up to 10 A and changes position as soon as the trigger input is pulled to a low potential.\u003c\/p\u003e \u003cp\u003eOptical isolation keeps the control logic and the high-current switch electromagnetically separated. This prevents voltage spikes on the controller side, and the 12 V power supply can be dimensioned independently. An LED immediately indicates the relay's current switching state.\u003c\/p\u003e \u003cp\u003eThe module is suitable for remote control of pumps, solenoid valves, lighting, or alarm signaling. It is frequently used in automated irrigation projects, where a moisture sensor uses the relay to switch the water or fertilizer supply. Galvanic isolation is also useful for controlling door openers, doorbell alarms, or 12 V heating elements.\u003c\/p\u003e \u003cp\u003eOperation requires a 12 V power supply for the load as well as a separate 5 V power supply for the control module. When connecting the relay coil and switching contacts, observe the permissible current and voltage of the controlled load.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eBefore connecting 12 V loads, ensure that the power supply is suitable for the intended application. This module is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations must be carried out by qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Relay module (12V) - 1 channel - LOW level trigger\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997867286877,"sku":"F23106963","price":2.38,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relais-modul-12v-1-kanal-low-level-trigger-funduino-8345861.png?v=1791493772"},{"product_id":"relaiskarte-solid-state-relais-1-kanal-5v","title":"Solid-state relay module 1-channel - 5 V control, up to 240 V AC \/ 2 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSolid-state relay module with one switching channel for AC loads\u003c\/li\u003e \u003cli\u003eGalvanic isolation of the control and load sides via an optocoupler\u003c\/li\u003e \u003cli\u003eControl via digital signal at 5 V logic level (0 to 2.5 V off, 3.3 to 5 V on)\u003c\/li\u003e \u003cli\u003eSwitches up to 240 V AC at a maximum of 2 A, zero-crossing switching\u003c\/li\u003e \u003cli\u003eBoth sides connected via screw terminals\u003c\/li\u003e \u003cli\u003eHousing with heat dissipation function; adequate ventilation required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe solid-state relay module switches AC loads via a light-controlled semiconductor and is used to switch lamps, heating elements, or small motors on and off from a microcontroller. Unlike mechanical relays, the module has no moving contacts, but instead uses a phototriac for load switching. An optocoupler provides galvanic isolation between the control side and the load side, preventing interference with the logic circuit and enabling completely silent operation.\u003c\/p\u003e \u003cp\u003eThe control side is operated with 5 V DC and requires a digital output from the microcontroller. The convention is that signals below 2.5 V switch the load off, while signals from 3.3 V switch it on. Since the input circuit has no reverse-polarity protection, care must be taken to ensure the correct polarity when connecting it.\u003c\/p\u003e \u003cp\u003eAC devices up to 240 V and 2 A can be connected to the load side. The module switches at the zero crossing, minimizing switching impulses. When switching off inductive loads such as motors or transformers, overvoltage occurs, so an external protective component is required in such cases.\u003c\/p\u003e \u003cp\u003eThe housing dissipates the heat generated by the semiconductor module and must therefore be adequately ventilated to prevent the module from overheating during operation. The included screw terminals are sufficient for connecting it, but a microcontroller with digital outputs and a 5 V logic interface is required.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eCircuits with mains voltage may be assembled or modified exclusively by qualified electricians. This module is intended solely for building prototypes and for testing and development purposes, and is not suitable for installation in a household power circuit. If there is any uncertainty about correctly connecting AC loads, a qualified electrician must be consulted before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Relay board. Solid State Relay - 1 Channel, 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997867319645,"sku":"F23106946","price":2.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relaiskarte-solid-state-relais-1-kanal-5v-funduino-1664224.png?v=1791494269"},{"product_id":"zeitrelais-modul-zeitschalter-mit-zeitverzogerung-9v-ne555","title":"NE555 timer relay module - delay 0.1-99.9 s, 250 V \/ 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eElectronic timer relay for delayed or timed switching\u003c\/li\u003e \u003cli\u003eOperating voltage: 12 V DC\u003c\/li\u003e \u003cli\u003eSwitching capacity up to 10 A at 250 V AC\u003c\/li\u003e \u003cli\u003eDelay times adjustable from 0.1 to 99.9 seconds\u003c\/li\u003e \u003cli\u003eRelay output for direct load control\u003c\/li\u003e \u003cli\u003eCompact design with DIN rail mounting\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis timer relay module generates an adjustable delay between the input signal and the switching action. After being supplied with 12 V DC, the module waits for a trigger pulse at the input; it then counts down the set time and activates its relay output. This makes it possible to automate start sequences or switch loads on and off with defined delays.\u003c\/p\u003e \u003cp\u003eThe relay output directly switches up to 10 A at 250 V AC, which is sufficient for many household appliances and small industrial loads. If higher currents need to be switched, the relay can be used to control a contactor or a more powerful switching relay. The delay time is configured using a potentiometer or display and ranges from 0.1 to 99.9 seconds. Shorter or longer delays are not possible with this module.\u003c\/p\u003e \u003cp\u003eTypical applications include switching on a pump after pressure has built up, switching off a motor with a run-on delay, or controlling lighting in stairwells at timed intervals. In automation projects, the module can also serve as simple logic for subsequent steps when multiple modules are combined.\u003c\/p\u003e \u003cp\u003eOperation requires a regulated 12 V DC power source; a separate power supply is only unnecessary if the required power supply is already available in the project. The input requires a control signal of at least 2 V DC for reliable triggering. Work on or near power lines requires specialist expertise.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe module is not intended for direct use in household electrical circuits or for permanent installation, but exclusively for building prototypes and for testing and development purposes. The relay output carries mains voltage; installation work may only be carried out by qualified electricians. If you are unsure about its use, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997869941085,"sku":"F23108612","price":3.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/zeitrelais-modul-zeitschalter-mit-zeitverzoegerung-9v-ne555-funduino-3858995.png?v=1791494839"},{"product_id":"schalter-mit-vier-positionen-2-54mm","title":"Rotary switch 4 positions - 2.54 mm pitch","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFour-position switch with 2.54 mm pitch\u003c\/li\u003e \u003cli\u003eCompact rotary switch for prototyping and laboratory use\u003c\/li\u003e \u003cli\u003ePin spacing enables direct integration into pin headers\u003c\/li\u003e \u003cli\u003eContact switching can be performed without tools\u003c\/li\u003e \u003cli\u003eSuitable for switching logic and multi-selection applications\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA four-position switch with standard pitch enables simple switching operations in electronic prototypes. The rotary switch is plugged or soldered directly into existing pin header systems and requires no additional effort during assembly.\u003c\/p\u003e \u003cp\u003eThe switch responds to four discrete positions, which can be set by turning the shaft. This allows four different operating modes, settings, or configuration variants, each with its own contact state.\u003c\/p\u003e \u003cp\u003eExamples of applications include mode selection in measurement and control setups, input options on microcontroller systems, calibration in sensor applications, or simple menu navigation in standalone devices. The switch can also be used as an emergency-stop selector or to define measurement ranges.\u003c\/p\u003e \u003cp\u003eA clear contact assignment is provided for each switch. Contact voltages and load currents must be taken from the data sheets or manufacturer's specifications, as must whether debouncing measures are required in the firmware.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe switch is intended exclusively for building prototypes and for testing and development purposes and is not intended for installation in household power circuits. If use in live or high-voltage circuits is planned, consult a qualified electrician beforehand.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x four-position switch - 2.54 mm\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997870530909,"sku":"F23106872","price":1.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/schalter-mit-vier-positionen-254mm-funduino-1842736.png?v=1791493814"},{"product_id":"multifunktionales-zeitrelais-2-kanal-programmierbar-12v","title":"2-Channel Timer Relay - Programmable, 12-30 V DC, 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eElectronic timer relay with two switchable channels\u003c\/li\u003e \u003cli\u003eProgrammable switching times and delays per channel\u003c\/li\u003e \u003cli\u003eInput range: 12 to 30 V DC\u003c\/li\u003e \u003cli\u003eSwitching capacity of up to 10 A per channel\u003c\/li\u003e \u003cli\u003eSwitchable outputs for relay or transistor logic\u003c\/li\u003e \u003cli\u003eDIN rail mounting in the control cabinet possible\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eA timer relay controls two independent switching outputs, whose activation and delay can be programmed separately for each channel. This allows the switching times to be flexibly adapted to various automation tasks without having to replace the hardware.\u003c\/p\u003e \u003cp\u003eThe device is powered by a DC voltage between 12 and 30 V. This wide input voltage range provides flexibility for the power supply and allows connection to common batteries, power supplies, or DC sources without an additional power supply unit. Each channel switches up to 10 A, which is sufficient for solenoid valves, small motors, indicator lamps, or heating resistors in automation systems.\u003c\/p\u003e \u003cp\u003ePossible applications include any situation where processes need to be controlled or delayed based on time, such as irrigation systems with automatic pause intervals, controlled activation of laboratory equipment, time-delayed switching off of loads after operation has ended, or prototype systems that need to switch on several elements in sequence. The device eliminates the need to program a microcontroller for tasks that are purely time-based.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eWork on or in the immediate vicinity of electrical systems may only be carried out by a qualified electrician. The relay is intended exclusively for building and testing automation prototypes, not for permanent integration into household electrical circuits or commercial control systems without an appropriate safety inspection. If you are unsure about the correct wiring or sizing of the connected loads, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997876560221,"sku":"F23108822","price":15.43,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/multifunktionales-zeitrelais-2-kanal-programmierbar-12v-funduino-8838762.png?v=1791493287"},{"product_id":"beleuchteter-wippschalter-3-pins-rot-250v-6a-125v-10a","title":"Illuminated rocker switch - 3 pins, red, 250 V \/ 6 A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIlluminated rocker switch with three terminals\u003c\/li\u003e \u003cli\u003eOperating voltage 250 V \/ 6 A or 125 V\u003c\/li\u003e \u003cli\u003eRed LED illumination\u003c\/li\u003e \u003cli\u003eTwo-position switching behavior (On\/Off)\u003c\/li\u003e \u003cli\u003eScrew terminals for secure cable connections\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eAn illuminated rocker switch controls circuits with high loads. The device handles up to 6 amps at 250 volts or alternatively 125 volts, making it suitable for larger loads such as heaters, pumps, or industrial machines. The red LED lights up when the switch is turned on, indicating the operating status at a glance.\u003c\/p\u003e \u003cp\u003eThree connection terminals enable flexible wiring: one common line (COM), one for the on position, and one for the off position. This allows multi-stage switching or control of two separate circuits with one switch. The rocker mechanism with two stable positions enables reliable switching on and off without a second position.\u003c\/p\u003e \u003cp\u003eTypical applications include heating systems, where the switch controls the pump or heating element and the LED indicates the operating status, as well as workshop machines with higher power consumption, ventilation systems, and water pump controls. In mobile applications and vehicle construction, the switch is also used for switching high-current lines.\u003c\/p\u003e \u003cp\u003eThe switch is supplied with screw terminals that enable a secure, vibration-resistant connection without soldering. Operation with alternating current requires the appropriate mains voltage; conversion or throttling to other voltages is not intended.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThis switch is not intended for direct installation in household electrical circuits and is exclusively intended for building prototypes and for testing and development purposes. Work on or near electrical installations and wiring involving mains voltage must be carried out by qualified electricians. If you have questions about correct integration or the load capacity for the intended application, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Illuminated rocker switch - 3 pins, 250V \/ 6A, 125V \/ 10A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997877903709,"sku":"F23105984","price":1.07,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/beleuchteter-wippschalter-3-pins-rot-250v-6a-125v-10a-funduino-1777376.png?v=1791493803"}],"url":"https:\/\/funduino.com\/en\/collections\/promotion-sale.oembed","provider":"Funduino","version":"1.0","type":"link"}