{"title":"Buttons and switches","description":null,"products":[{"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":"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":"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":"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":"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":"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":"led-taster-weiss-22mm-3-6v-9-24v","title":"LED push button 22 mm - stainless steel, waterproof, flat, 3-6 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eWaterproof stainless steel push button, 22 mm diameter\u003c\/li\u003e \u003cli\u003eMomentary function with automatic reset\u003c\/li\u003e \u003cli\u003eIntegrated RGB LED ring illumination, controllable independently of the switch contact\u003c\/li\u003e \u003cli\u003eLED power supply: 3 to 6 volts\u003c\/li\u003e \u003cli\u003eConnection via multicore cable with connector\u003c\/li\u003e \u003cli\u003eScrew mounting in a 22 mm hole\u003c\/li\u003e \u003cli\u003eStainless steel seal for a waterproof feed-through\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis 22 mm diameter LED push button is suitable for robust control panels and front panels. The stainless steel housing is inserted through a hole from the front and secured with a nut from the rear. A seal makes the feed-through waterproof, which means the push button also operates reliably in damp environments.\u003c\/p\u003e \u003cp\u003eThe switch contact has a momentary function. It closes only while the button is pressed and opens again automatically afterward, without requiring a separate release. This distinguishes it from push buttons with a latching function, which retain their state.\u003c\/p\u003e \u003cp\u003eThe circular RGB LED around the actuation surface lights up in red, green, or blue and is operated via a separate power supply of 3 to 6 volts. Since the illumination is electrically isolated from the switch contact, its color can be controlled independently of the button being pressed. This enables status indicators that do not need to have a direct connection to the current switch position.\u003c\/p\u003e \u003cp\u003eThe connected multicore cable with connector eliminates soldering and enables quick wiring in control panels, switch cabinets, and custom projects. Operation requires a switch input and a separate LED power supply.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThis product is not intended for installation in household mains circuits and 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 you have questions about compatibility with existing systems, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cp\u003e:\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997827899741,"sku":"F23107893","price":5.94,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/led-taster-weiss-22mm-3-6v-9-24v-funduino-4200521.jpg?v=1791474493"},{"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":"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":"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":"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":"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":"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"},{"product_id":"wippschalter-2-positionen-kcd1-105-250v-10a","title":"KCD1-105 Rocker Switch - 2 Positions, 250 V \/ 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRocker switch with two switching positions for mains voltage up to 250 V\u003c\/li\u003e \u003cli\u003eSwitching current up to 10 A, suitable for loads such as heaters or motor circuits\u003c\/li\u003e \u003cli\u003eKCD1 design with rocker actuation on both sides\u003c\/li\u003e \u003cli\u003eInstallation in rectangular cutouts of approximately 21 * 25 mm\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis two-position rocker switch switches circuits up to 250 V and 10 A. The rocker actuation on both sides enables switching on and off without additional latching. With contacts for full mains voltage, the module can be installed directly in household appliances or industrial control systems where significant power levels need to be controlled.\u003c\/p\u003e \u003cp\u003eThe switch operates according to the principle of mechanical contact switching. The sturdy construction of the KCD1 series withstands repeated operation well. This model is suitable for heaters, fan controls, or control cabinets. In the prototyping of higher-power devices, the switch replaces cumbersome laboratory setups with external relays.\u003c\/p\u003e \u003cp\u003eInstallation is carried out by pushing it through or screwing it into a front panel. Crimp connections or soldering to the provided solder terminals are sufficient for making contact. The device is not intended for direct operation on mains sockets or for installation in household electrical systems.\u003c\/p\u003e \u003ch3\u003eSafety note\u003c\/h3\u003e \u003cp\u003eThis product is intended exclusively for testing and development purposes and for building prototypes and is not intended for integration into a household electrical circuit. Work on or near mains voltage may only be carried out by a qualified electrician. If you are unsure about the installation, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x KCD1-105 rocker switch, 3-pole - 250V, 10A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997880197469,"sku":"F23109016","price":0.48,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/wippschalter-2-positionen-kcd1-105-250v-10a-funduino-6885048.png?v=1791494889"},{"product_id":"multifunktionales-zeitrelais-programmierbar-12v","title":"Programmable Time Relay - 12 V, 16 A, 8 Modes","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProgrammable time relay for 12 V DC\u003c\/li\u003e \u003cli\u003eSwitching capacity up to 16 A, SPDT contact type with changeover contact\u003c\/li\u003e \u003cli\u003eEight different operating modes, switch-on delay, switch-off delay, pulse duration, cycle with adjustable duty cycle, stop function, and more\u003c\/li\u003e \u003cli\u003eTime range from milliseconds to several hours, depending on the mode\u003c\/li\u003e \u003cli\u003eProgramming via simple button controls, LED indicator for operating status\u003c\/li\u003e \u003cli\u003eSuitable for DIN rail or wall mounting, compact design\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe programmable time relay is used for automated or delayed switching of circuits up to 16 A at 12 V DC. With eight different operating modes, it can be flexibly configured for various timing functions without requiring additional wiring or external components. Changeover contacts enable switching of connected or disconnected loads.\u003c\/p\u003e \u003cp\u003eThe function is set directly on the device using the integrated button controls; an LED indicates the current operating status. Depending on the selected mode, delays ranging from less than one second to several hours can be set, eliminating the need for repeated reprogramming for different requirements. The switching capacity of up to 16 A enables the direct connection of solenoids, valves, lamps, or small motors.\u003c\/p\u003e \u003cp\u003eTypical applications include controlling lighting with a switch-on or switch-off delay, pulse-controlled operation of electropneumatic valves in automation tasks, or cyclical control of signaling devices. The relay can also be used to generate patterns for test and measurement projects, for example to synchronize measurement data streams over time.\u003c\/p\u003e \u003cp\u003eThe relay requires a separate 12 V DC power source; batteries or a suitable switching power supply must be provided separately. The maximum switching capacity limits direct operation to low-power and signal-technology loads. When designing control systems for higher loads, contactors or additional power switches must be provided.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis relay is not intended for installation in household mains circuits. It 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. For circuits with higher current loads or in case of doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997880623453,"sku":"F23108806","price":11.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/multifunktionales-zeitrelais-programmierbar-12v-funduino-2352252.png?v=1791493831"},{"product_id":"schalter-mit-sechs-positionen-2-54mm","title":"Rotary Switch 6 Positions - 2.54 mm, for Perforated Circuit Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRotary switch with six selectable positions\u003c\/li\u003e \u003cli\u003e2.54 mm diameter shaft for standard prototyping PCBs\u003c\/li\u003e \u003cli\u003eOn\/off function or multi-range selection depending on the switching scheme\u003c\/li\u003e \u003cli\u003eContact-to-contact resistance below 100 mΩ\u003c\/li\u003e \u003cli\u003eMechanical detent in every position\u003c\/li\u003e \u003cli\u003eCan be mounted on a prototyping board or PCB without special brackets\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis six-position switch with a 2.54 mm shaft enables either on\/off switching or selection between up to six different operating modes or measurement ranges. The detent ensures that the selected position is reliably maintained.\u003c\/p\u003e \u003cp\u003eThe low contact resistance values enable reliable handling of analog signals and weak control signals up to the milliampere range without any noticeable influence. The standardized shaft diameter fits directly onto prototyping PCBs, experimental setups, and soldered pin headers without additional mechanics.\u003c\/p\u003e \u003cp\u003eApplications include measurement range switching in test equipment, operating mode selection in control circuits, calibration modes in measurement chains, and function selection in educational projects. In audio applications, it can be used to switch between multiple input sources with low noise. The device can be integrated into existing circuits immediately; no additional brackets or adapters are required.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eSwitching mains voltage with this switch is not permitted. The product is intended exclusively for building prototypes and for testing and development purposes.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x six-position switch - 2.54 mm\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997881737565,"sku":"F23106547","price":1.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/schalter-mit-sechs-positionen-254mm-funduino-1328217.png?v=1791493318"},{"product_id":"schalter-mit-einer-position-2-54mm","title":"Single-position switch - 2.54 mm pitch","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSingle-pole switch with one-position design\u003c\/li\u003e \u003cli\u003eContact configuration 1*Um (changeover switch)\u003c\/li\u003e \u003cli\u003e54 mm pitch, DIN rail\u003c\/li\u003e \u003cli\u003eRated voltage AC 230 V, 400 V\u003c\/li\u003e \u003cli\u003eRated current 16 A\u003c\/li\u003e \u003cli\u003eSilver-alloy contacts, double make contacts\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis DIN rail switch is mounted directly on DIN rails and switches circuits with rated voltages of 230 V and 400 V. With its 54 mm design, it fits alongside other protective modules in the distribution board.\u003c\/p\u003e \u003cp\u003eThe single position allows only switching on and off; an adjustment ring for an intermediate position is not provided. This makes the switch suitable for simple on-off functions without transitional states. The rated current of 16 A covers household and small commercial applications.\u003c\/p\u003e \u003cp\u003eTypical uses include disconnecting individual circuits in residential installations, controlling consumers such as storage heaters or small motors, and isolating devices for maintenance purposes. The silver-alloy contacts also ensure reliable contact making at longer switching intervals.\u003c\/p\u003e \u003cp\u003eIt has been proven in operation in AC circuits. Installation is carried out according to electrical installation standards on standardized DIN rails. No additional purchases are required.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThis switch may only be installed in an existing electrical installation or connected to mains voltage by a qualified electrician. The switch is intended exclusively for setting up switchgear and distribution boards in accordance with applicable installation standards. If you are unsure about correct installation or connection, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x one-position switch - 2.54 mm\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997926596957,"sku":"F23106864","price":1.22,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/schalter-mit-einer-position-254mm-funduino-2021981.png?v=1791494952"},{"product_id":"schlusselschalter-mit-zwei-positionen-230v-1a-ein-aus","title":"Key switch 2 positions - 230 V \/ 1 A, On","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eKey switch for 230 V mains voltages with two switching positions\u003c\/li\u003e \u003cli\u003eCurrent-carrying capacity of 1 A, designed for loads of up to approximately 230 W\u003c\/li\u003e \u003cli\u003eConnection via terminals, no plug\u003c\/li\u003e \u003cli\u003eRotary cylinder with removable key, switching position clearly recognizable\u003c\/li\u003e \u003cli\u003eRobust design for frequent operation\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe key switch is a mains switch with two defined positions and is used to switch household appliances and small devices directly at 230 V AC. The ON position makes it possible to reliably distinguish between operating and stopped states. The key can only be removed in certain positions, preventing unauthorized operation or accidental changes.\u003c\/p\u003e \u003cp\u003eThe switch mechanically interrupts the circuit using a spring-loaded contact rail. The maximum current load is 1 A, allowing approximately 230 W at 230 V. Loads exceeding this require a more powerful switch, as the contacts would otherwise be overloaded. The terminals enable a permanently wired connection to the electrical installation; no plug is required.\u003c\/p\u003e \u003cp\u003eTypical applications include enabling small devices such as laboratory equipment or test benches, disconnecting power for individual circuits without using a main switch, and safely operating heaters or lights with lower power ratings. The key enables reliable operation, with the status clearly visible at all times.\u003c\/p\u003e \u003cp\u003eFor operation in a domestic electrical installation, the system must comply with the applicable installation standards. During initial installation and modifications, work on the electrical installation must be carried out by qualified electricians. The power supply wiring and grounding inspection may only be performed by a qualified electrician.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis product is not intended for operation on the public power supply without supervision by a qualified electrician. Work on or near a domestic electrical installation must be carried out by qualified electricians. Read the applicable installation regulations before making the connection. If anything is unclear or the mains voltage is uncertain, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x key switch with two positions - 230V \/ 1A, ON \/ OFF\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997933019485,"sku":"F23106873","price":1.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/schluesselschalter-mit-zwei-positionen-230v-1a-ein-aus-funduino-4634484.png?v=1791494989"},{"product_id":"mikroschalter-vertikal","title":"Microswitch - vertical design","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eNo information provided in the modules\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eNo information provided in the modules\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eNo information provided in the modules\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Microswitch - Vertical\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997934920029,"sku":"F23106756","price":0.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mikroschalter-vertikal-funduino-8713798.png?v=1791496187"},{"product_id":"mikroschalter-horizontal-kontakte-kompatibel-mit-breadboards-und-arduino","title":"Horizontal microswitch - contacts for breadboard and Arduino","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMicroswitch with horizontally mounted contacts\u003c\/li\u003e \u003cli\u003eCompatible with the B series\u003c\/li\u003e \u003cli\u003eWear-resistant contact mechanism for frequent switching\u003c\/li\u003e \u003cli\u003eSupplied unassembled; soldering required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis microswitch is suitable wherever compact switching mechanisms need to be integrated into existing systems. The horizontally mounted contact system enables flexible placement on circuit boards and housings without requiring additional adapters.\u003c\/p\u003e \u003cp\u003eThe switching principle is based on mechanical contact switching. The contact arrangement allows direct mounting on standard circuit boards, enabling rapid prototypes as well as test and development assemblies without modifications.\u003c\/p\u003e \u003cp\u003eTypical applications include door switches in housings, limit switches for moving assemblies, switching logic in test setups, and sensors for measuring stations. One specific example is monitoring folding mechanisms, where the switch reliably detects the state.\u003c\/p\u003e \u003cp\u003eSince the switch is supplied unassembled, soldering tools and the appropriate skills are required. In addition, the current load must be checked against the permissible contact rating to prevent wear.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe switch must not be connected to the household mains supply. It is intended exclusively for prototypes and testing and development purposes. A qualified electrician is required for work on or near electrical installations; if there is any uncertainty about the current load or switching capacity, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1* Microswitch Horizontal - Contacts compatible with breadboards and Arduino\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997941145949,"sku":"F23107029","price":0.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mikroschalter-horizontal-kontakte-kompatibel-mit-breadboards-und-arduino-funduino-3618878.png?v=1791496256"},{"product_id":"3-12v-mikroschalter-endstop-mit-breakout-board","title":"Microswitch limit stop - 3 pieces with breakout board, 3-12 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThree microswitches as an endstop group with breakout board\u003c\/li\u003e \u003cli\u003eOperating voltage 12 V DC\u003c\/li\u003e \u003cli\u003eThree separate switching outputs\u003c\/li\u003e \u003cli\u003eMechanical switch contacts\u003c\/li\u003e \u003cli\u003eFor digital querying by microcontrollers\u003c\/li\u003e \u003cli\u003eBoard connectors for sensor and power supply\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThree microswitches on a breakout board enable reliable position detection in mechanical systems. Each switch has its own digital output and operates at 12 V, providing greater switching potential than typical 3.3 V or 5 V logic. Querying them with microcontroller boards therefore requires a level shifter to reduce the 12 V signals to the control unit's safe input voltage.\u003c\/p\u003e \u003cp\u003eThe mechanical switch contacts respond to direct pressure or actuating mechanisms and do not have an active sensor; activation occurs purely mechanically. This makes them resistant to dirt and electromagnetic interference, but requires physical components such as end plates or actuators for activation.\u003c\/p\u003e \u003cp\u003eTypical applications include position detection in 3D printers, detecting movement limits in mechanical robots, and safety monitoring of barriers and gates. Endstop switches are also used in CNC machines and conveyor systems to move axes to safe parking positions or prevent collisions.\u003c\/p\u003e \u003cp\u003eAn external 12 V power supply is required for operation. The voltage must be converted to the control system's input voltage before connecting it to the microcontroller, as directly connecting it to 3.3 V or 5 V inputs will cause damage. The board therefore requires additional electronics in the setup.\u003c\/p\u003e \u003ch3\u003eSafety Information\u003c\/h3\u003e \u003cp\u003eThe switches carry 12 V and must not be connected directly to control inputs with a lower voltage level without an intervening level shifter. This module is intended exclusively for prototyping and testing and development purposes and is not suitable for use with household electrical installations. If you have questions about correctly integrating it into an overall system, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 3-12V microswitch, endstop - with breakout board\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997944947037,"sku":"F23106797","price":1.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/3-12v-mikroschalter-endstop-mit-breakout-board-funduino-1921751.png?v=1791495034"},{"product_id":"t85-kcd1-b3-wippschalter-6-pins-250v-6a-125v-10a","title":"KCD1-B3 rocker switch - 6 pins, 250 V \/ 6 A, 2-pole","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRocker switch with six terminals for mains voltage and low-voltage circuits\u003c\/li\u003e \u003cli\u003eRated voltage 250 V at 6 A, alternatively 125 V at 10 A\u003c\/li\u003e \u003cli\u003eTwo switching positions with latching function\u003c\/li\u003e \u003cli\u003eDesign for front-panel mounting with mounting holes on a 19-mm grid\u003c\/li\u003e \u003cli\u003eContacts configurable for on-off or changeover operation\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe rocker switch is a mechanical contact switch for permanent installation in control panels or devices. It reliably switches circuits on and off. The six terminals allow various wiring configurations, including use as a simple on-off switch, changeover switch, or for controlling relays and control systems.\u003c\/p\u003e \u003cp\u003eAt an operating voltage of 250 V, the switch handles up to 6 A, while at 125 V it handles up to 10 A. The actual load that can be switched is determined by multiplying the voltage and current of the respective application. Both AC and DC are permitted.\u003c\/p\u003e \u003cp\u003eThe switch is used in laboratory power supplies, test-bench control cabinets, test-machine controls, and control panels. Wherever a clearly perceptible, secure switching action is required and the switching frequency remains low, this switch reliably replaces a sensitive push button.\u003c\/p\u003e \u003cp\u003eNo electrical interlock with contactors or separate switching relays is provided; the latching function relies solely on the mechanical design. This switch is not designed for high-frequency switching or rapid pulse changes.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe switch operates with mains voltage up to 250 V and must not be installed in a household electrical circuit. Its use is limited to the construction of test benches, control prototypes, and development purposes. Work on or in the immediate vicinity of power supplies and control cabinets must be carried out by qualified electricians; consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x T85 KCD1-B3 rocker switch - 6 pins, 250V \/ 6A, 125V \/ 10A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997945471325,"sku":"F23107395","price":1.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/t85-kcd1-b3-wippschalter-6-pins-250v-6a-125v-10a-funduino-5479183.jpg?v=1791496260"},{"product_id":"ky-021-magnetisches-reed-modul-reed-schalter","title":"KY-021 reed module - digital magnetic sensor, 3.3-5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMagnetic sensor module with reed switch for detecting magnetic fields\u003c\/li\u003e \u003cli\u003eDigital output for direct signal processing\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 to 5 V\u003c\/li\u003e \u003cli\u003eConnection via signal line, ground, and supply voltage\u003c\/li\u003e \u003cli\u003eContactless triggering without mechanical wear\u003c\/li\u003e \u003cli\u003eSwitching output changes state when near a magnetic field\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe module detects magnetic fields using a reed switch and outputs the result as a digital signal. The switch consists of two ferromagnetic contacts in a glass capsule that come together in a magnetic field and thereby close a circuit.\u003c\/p\u003e \u003cp\u003eThe output provides a digital HIGH or LOW signal that can be read directly by microcontrollers. The contactless operation eliminates any wear on buttons or mechanisms. The switching frequency is practically unlimited.\u003c\/p\u003e \u003cp\u003eThe module is suitable for door monitoring in security systems, position detection of moving parts, detecting valve positions, and recording rotary wheel sensors in counting applications. For example, in an automated warehouse monitoring system, the module reports when a magnetized container card reaches a specific position.\u003c\/p\u003e \u003cp\u003eThe operating voltage of 3.3 to 5 V makes the module a universal sensor for various microcontroller platforms. Only a suitable power supply is required for operation. The switch responds to magnetic field strength and proximity; the exact triggering distance depends on the field strength of the magnet used.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes and is not suitable for installation in household electrical circuits. When used in safety-critical applications, the reliability of the system must be validated separately. If you have questions about integrating it into existing systems, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x KY-021 - Magnetic reed module, reed switch\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997953565021,"sku":"F23106789","price":1.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ky-021-magnetisches-reed-modul-reed-schalter-funduino-8090810.png?v=1791496022"},{"product_id":"3-pin-wippschalter-1-poliger-ein-aus-schalter-kcd1-105","title":"KCD1-105 rocker switch - 3 pins, 250 V \/ 16 A, single-pole","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSingle-pole rocker switch with three connection pins\u003c\/li\u003e \u003cli\u003eSwitches between two switching positions\u003c\/li\u003e \u003cli\u003eSimple contact actuation without latching\u003c\/li\u003e \u003cli\u003eDesigned for low-voltage applications up to 250 V AC\u003c\/li\u003e \u003cli\u003eCurrent rating of up to 16 A\u003c\/li\u003e \u003cli\u003eCompact design with standardized PCB mounting\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThe three-pin rocker switch is a simple switching element for directly controlling electrical circuits. The component changes its switching position when pressure is applied to the rocker and returns to its original position when released.\u003c\/p\u003e \u003cp\u003eThe two switching contacts enable changeover circuits in which different circuits are active depending on the switch position. The rating of 250 V AC and 16 A limits its use to low-voltage applications; the module is not suitable for high-voltage or high-current switching.\u003c\/p\u003e \u003cp\u003eThe switch is used in portable devices such as laboratory power supply prototypes, control panels for test setups, or as a simple on-off switch for 12 V power supplies. It is also used for straightforward manual operation in control panels for model-building projects or experimental kits.\u003c\/p\u003e \u003cp\u003eFor mounting, a PCB with holes at the correct pitch is sufficient. Wiring is done by directly soldering the three connecting wires to the contact pins; no additional components are required. The operating voltage and the current being switched must remain within the rated values.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe switch is not intended for direct installation in household mains circuits, but exclusively for prototypes and development purposes. Work on or immediately adjacent to household electrical installations may only be carried out by a qualified electrician. If there is any uncertainty about safe commissioning, consult a qualified electrician before starting work.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 3-Pin rocker switch - single-pole on-off switch, KCD1-105\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997957071197,"sku":"F23106372","price":1.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/3-pin-wippschalter-1-poliger-ein-aus-schalter-kcd1-105-funduino-4117802.png?v=1791496075"},{"product_id":"ky-003-magnetischer-schalter-hall-effekt-sensor","title":"KY-003 Hall sensor - digital magnetic switch, 3.3-5 V","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHall-effect-based magnetic switch for detecting magnetic fields\u003c\/li\u003e \u003cli\u003eDigital output, HIGH when a magnetic field is present, LOW otherwise\u003c\/li\u003e \u003cli\u003eOperating voltage 3.3 to 5 V\u003c\/li\u003e \u003cli\u003eConnection via three pins: power supply, ground, signal output\u003c\/li\u003e \u003cli\u003eDetection range approximately 3 to 5 cm, depending on field strength\u003c\/li\u003e \u003cli\u003eCompact design, screw and adhesive mounting possible\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe Hall-effect sensor detects magnetic fields through the deflection of charge carriers in a semiconductor material. The module provides a clear HIGH or LOW signal at the digital output as soon as a magnet moves into the detection range. This allows any digital input of microcontroller boards to be controlled.\u003c\/p\u003e \u003cp\u003eThe operating voltage between 3.3 and 5 V makes the module compatible with common development boards without additional level shifters. The output switches directly and reliably without requiring calibration. Since the sensor operates without contact, it can detect movements through housings, plastic covers, or other non-magnetic materials.\u003c\/p\u003e \u003cp\u003eTypical applications include detecting doors and windows opening, detecting cabinet doors or drawers, detecting gears or cam disks in mechanical assemblies, and counting revolutions using magnetic markings. The sensor is also practical for security projects and simple switching logic that responds to the presence of a magnetic field.\u003c\/p\u003e \u003cp\u003eThe detection range of approximately 3 to 5 cm depends on the magnetic field strength and should be tested in practice before assembly. The module requires only one digital input line; no additional components are needed.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis module is not intended for installation in the mains circuit. It is intended exclusively for building prototypes and for testing and development purposes. Before using it in safety-critical applications, consult a qualified electrician to assess its suitability.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x KY-003 Magnetic switch - Hall-effect sensor\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65997972373853,"sku":"F23106679","price":1.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/ky-003-magnetischer-schalter-hall-effekt-sensor-funduino-1289517.png?v=1791496110"},{"product_id":"relaiskarte-high-low-level-trigger-1-kanal-5v","title":"1-Channel Relay Module - 5 V, HIGH- or LOW-triggered, changeover contact","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRelay board with one switching channel, controlled via digital logic levels\u003c\/li\u003e \u003cli\u003eOperating voltage 5 V, relay coil voltage also 5 V\u003c\/li\u003e \u003cli\u003eTriggering programmable for HIGH or LOW level\u003c\/li\u003e \u003cli\u003eTTL-compatible input level, directly controllable from microcontroller outputs\u003c\/li\u003e \u003cli\u003eSwitching contacts configured as changeover contacts\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eThis single-channel relay board is controlled via logic levels and switches external circuits without galvanic isolation. The 5 V coil voltage corresponds to the logic supply, allowing the module to be connected directly to microcontroller boards such as Arduino. The input level is TTL-compatible.\u003c\/p\u003e \u003cp\u003eTriggering can be set to active HIGH or active LOW, depending on whether the switching operation should occur at a high or low level. The relay itself uses changeover contacts, which can be used both for switching and for selecting between two circuits. The relay's switching capacity depends on the coil voltage and must be taken from the datasheet of the relay IC used.\u003c\/p\u003e \u003cp\u003eIn model making, for example, the board switches motors or lighting via a software-controlled command; in the laboratory, it regulates the current flow through experimental setups; and in simple automation projects, it connects digital logic to longer or higher-current circuits. Individual applications require the relay's voltage rating to be checked separately.\u003c\/p\u003e \u003cp\u003eA power supply of at least 5 V is required for operation. The switching capacity of the relay used determines which external devices can be controlled and whether their current consumption is within the permissible range. Anyone working with power supply voltages or currents must observe the safety instructions.\u003c\/p\u003e \u003ch3\u003eSafety Instructions\u003c\/h3\u003e \u003cp\u003eThis module is intended exclusively for building prototypes and for testing and development purposes; it is not suitable for installation in household electrical circuits. Work on or near circuits with mains voltage must be carried out by qualified electricians. If there is any uncertainty regarding the relay's voltage rating or switching capacity, consult a qualified electrician before commissioning. Observe the polarity of the operating voltage.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x HIGH-LOW-LEVEL Trigger - 1 Channel, 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998105903453,"sku":"F23107407","price":2.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/relaiskarte-high-low-level-trigger-1-kanal-5v-funduino-2246845.png?v=1791495255"},{"product_id":"2-kanal-relais-modul-5v","title":"2-channel relay module - 5 V, switches up to 250 V \/ 10 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTwo-channel relay module for switching loads\u003c\/li\u003e \u003cli\u003eOperating voltage 5 V\u003c\/li\u003e \u003cli\u003eControl via digital inputs\u003c\/li\u003e \u003cli\u003eContacts for AC and DC up to 250 V \/ 10 A\u003c\/li\u003e \u003cli\u003eOptocoupler isolation between the control signal and relay circuit\u003c\/li\u003e \u003cli\u003eStandard pin header for microcontroller boards\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis two-channel relay module switches external loads using electromagnets. The two independent relays are controlled by digital outputs of a microcontroller board and can each switch a load of up to 10 A at 250 V, for direct or alternating current.\u003c\/p\u003e \u003cp\u003eThe optocouplers galvanically isolate the weak 5 V control voltage from the switching circuits for the higher voltage. The module therefore also works with boards that have different voltage levels, as long as their digital outputs provide 5 V logic. Connection is made via standard pin headers directly to any microcontroller boards with two-pin inputs and outputs.\u003c\/p\u003e \u003cp\u003eThe module is suitable for switching tasks that need to convert digital signals into high currents, remotely controlling lamps, heaters, or pumps via a board, controlling solenoid valves in experimental setups, connecting prototypes to household appliances for testing, or time-controlled switching of loads in automated projects. Time relay functions are created through software logic on the board.\u003c\/p\u003e \u003cp\u003eA separate power supply is required to provide the external load with power. The switching voltages must not exceed the specified limits. Solid wiring and secure mechanical mounting prevent contact wear caused by vibration.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eWork on or near electrical installations must be carried out by qualified electricians. The module is intended exclusively for building prototypes and for testing and development purposes, not for integration into household mains circuits. If you are unsure about the connected voltages and currents, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 2-channel relay module - 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998149058909,"sku":"F23106787","price":2.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/2-kanal-relais-modul-5v-funduino-8910452.png?v=1791495641"},{"product_id":"kcd3-wippschalter-2-pins-250v-15a","title":"KCD3 rocker switch - 2 pins, 250 V \/ 15 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRocker switch with two terminals for AC voltages up to 250 V\u003c\/li\u003e \u003cli\u003eSwitching capacity of 15 A, designed for direct mains loads\u003c\/li\u003e \u003cli\u003eMechanical on-off switching principle with rocker actuation\u003c\/li\u003e \u003cli\u003eKCD3 design with a sturdy plastic housing\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe rocker switch is a mechanical switching unit for higher current loads. The component connects and interrupts circuits by rocking a movable lever. With a switching capacity of 15 A at 250 V, the switch can directly control loads in household electrical circuits, such as lamps or small heaters.\u003c\/p\u003e \u003cp\u003eThe simple mechanical operation requires no electronics. Contacts close or open the circuit immediately when actuated, so each switching operation remains possible even without a power supply. The component operates reliably over many switching cycles.\u003c\/p\u003e \u003cp\u003eApplications include any situation where switch visibility and ease of use are important, such as controlling laboratory setups with a real power supply, disconnecting high-voltage sources in training scenarios, or switching equipment on and off in test setups. In prototypes that operate with the actual mains supply, the switch can serve as a manual disconnect if necessary.\u003c\/p\u003e \u003cp\u003eThis component is not intended for continuous operation in household electrical installations. The 250 V mains voltage requires all work on or immediately next to the switch to be carried out or approved by a qualified electrician.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThe component operates with mains voltage and is intended only for building prototypes and for testing and development purposes, not for installation in household electrical circuits. Work on or near electrical installations must be carried out by qualified electricians. If you are unsure about safe use, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x KCD3 rocker switch - 2-pins, 250V \/ 15A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998156628317,"sku":"F23105983","price":1.06,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/kcd3-wippschalter-2-pins-250v-15a-funduino-6792519.png?v=1791495312"},{"product_id":"4-kanal-relais-modul-5v","title":"4-channel relay module - 5 V, up to 250 V \/ 10 A, optocoupler","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFour independent relay contacts for switching applications, each rated for 10 A switching current\u003c\/li\u003e \u003cli\u003e5 V operating voltage for direct control by standard microcontroller boards\u003c\/li\u003e \u003cli\u003eOptocoupler isolation between the logic and switching circuits\u003c\/li\u003e \u003cli\u003eChangeover contacts for AC or DC up to 250 V\u003c\/li\u003e \u003cli\u003eScrew terminals for secure load wiring\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct Description\u003c\/h3\u003e \u003cp\u003eA four-channel relay module provides switching outputs for controlling external loads independently of the logic level. Each channel uses an electromechanical relay and can carry currents of up to 10 A. The 5 V operating voltage enables direct connection to standard microcontroller boards without additional voltage converters.\u003c\/p\u003e \u003cp\u003eThe optocoupler provides galvanic isolation between the control lines and the switching contacts. This prevents interference pulses from the switched load from affecting the sensitive logic level. Each channel is controlled by a digital pin, and the four channels operate completely independently.\u003c\/p\u003e \u003cp\u003eApplications include control circuits for pumps, solenoid valves, lamps, or small motors. In home automation projects, it can be used to switch household appliances operating on 230 V AC. Inductive loads such as relays or coils can also be controlled reliably, as the flyback diodes absorb switching spikes.\u003c\/p\u003e \u003cp\u003eAn external power supply for the load is required. The switching contacts are designed as changeover contacts and withstand voltages of up to 250 V AC or DC; this is not sufficient for high-voltage applications. When switching alternating loads, the applied DC voltage must provide at least 10 mA per channel to ensure that the relay engages reliably.\u003c\/p\u003e \u003ch3\u003eSafety Notice\u003c\/h3\u003e \u003cp\u003eThe module is not intended for direct installation in the household power circuit. It is intended exclusively for building prototypes and for testing and development purposes. Work on or immediately adjacent to electrical installations is reserved for qualified electricians; if you are unsure about the correct load wiring, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of Delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x 4-channel Relay Module - 5V\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998208696669,"sku":"F23107291","price":3.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/4-kanal-relais-modul-5v-funduino-9808471.png?v=1791495753"},{"product_id":"kippschalter-blau-rockerswitch-ein-ein-rastend-125v-5a","title":"Blue toggle switch - ON\/ON latching, 125 V \/ 5 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMaintained toggle switch for 125 V circuits\u003c\/li\u003e \u003cli\u003eTwo positions, locking in both directions\u003c\/li\u003e \u003cli\u003eBlue rocker with curved top\u003c\/li\u003e \u003cli\u003eConnection technology 2*187, connectors compatible with standard copper tabs\u003c\/li\u003e \u003cli\u003eSwitching capacity up to 16 A at 250 V AC\u003c\/li\u003e \u003cli\u003eSuitable for control cabinets and control panels\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis maintained toggle switch with a blue rocker actuator is designed for safely operating 125 V circuits. The locking positions on both sides keep the selected position without requiring any additional force. The latching mechanism prevents unintentional switching caused by vibrations or shocks.\u003c\/p\u003e \u003cp\u003eThe curved top of the rocker enables secure switching even when wearing gloves or with wet fingers. The connection type using quick-connect terminals (2*187) fits standard copper tabs in common terminal strips and enables wiring without plugs or crimping.\u003c\/p\u003e \u003cp\u003eThe switch handles switching loads of up to 16 A at 250 V AC and is therefore suitable for switchgear and control panels in industrial, new-build, and modernization projects. Typical applications include switching between power sources, enable switches for permanently installed systems, or operating mode selectors in test benches and test setups.\u003c\/p\u003e \u003cp\u003eNo switch-off operation is required. The switch needs no additional power supply for actuation and operates maintenance-free for years. Since the specified voltage rating of 125 V does not correspond to the usual 230 V domestic installation, use is limited to low-voltage networks or isolated circuits.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis product is not intended for installation in 230 V domestic power circuits. All work on or near power supplies must be carried out by qualified electricians. Before commissioning, check the switching capacity and rated voltage of the intended power source and consult a qualified electrician if anything is unclear.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x toggle switch (blue) Rocketswitch ON \/ ON maintained 125V 5A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998282522973,"sku":"F23106751","price":1.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/kippschalter-blau-rockerswitch-ein-ein-rastend-125v-5a-funduino-6428164.png?v=1791496395"},{"product_id":"mikroschalter-vertikal-mit-rolle","title":"Vertical microswitch - roller lever, SPDT, 2 A \/ 125 V AC","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMicroswitch with roller lever for mechanical position detection\u003c\/li\u003e \u003cli\u003eSPDT changeover contact with common connection (COM), normally open (NO) and normally closed (NC)\u003c\/li\u003e \u003cli\u003eVertical design with three PCB solder terminals\u003c\/li\u003e \u003cli\u003eSwitches up to 2 A at a maximum of 125 V AC\u003c\/li\u003e \u003cli\u003eOperating temperature -25 °C to +65 °C\u003c\/li\u003e \u003cli\u003eDesigned for up to 5,000,000 switching cycles\u003c\/li\u003e \u003cli\u003eSnap action without gradual contact change\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe microswitch with roller lever detects mechanical positions and transmits them as an electrical switching signal. An object pressing against the roller causes the lever to tilt and triggers a rapid contact change without the contact gradually transitioning to the new state.\u003c\/p\u003e \u003cp\u003eThe component operates as a changeover contact (SPDT) with three solder terminals. The common contact COM can be wired to either NO (normally open) or NC (normally closed), depending on whether the switch should turn on or off when pressed. The contact resistance is a maximum of 30 mΩ; leakage currents are negligible.\u003c\/p\u003e \u003cp\u003eThe vertical design, with terminals perpendicular to the PCB, also fits in confined installation spaces. The housing measures only 12 mm by 6 mm and is 6 mm high, and is soldered directly onto the board. The switch operates with currents of up to 2 A at AC voltages of up to 125 V, making it suitable for small to medium electrical loads in devices and machines.\u003c\/p\u003e \u003cp\u003eThe component can be used as a limit switch on moving parts, as a proximity switch in machines, or as a position sensor in custom controllers with microcontroller boards. Its design for up to 5,000,000 switching cycles and its operating temperature range of -25 °C to +65 °C ensure a long service life in various environments.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe switch is not intended for direct integration into household electrical circuits. It is intended exclusively for building prototypes and for testing and development purposes. Work on or near electrical installations is reserved for qualified electricians; if in doubt, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Microswitch - flat, with roller\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998291304797,"sku":"F23106711","price":0.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/mikroschalter-vertikal-mit-rolle-funduino-1355952.png?v=1791496358"},{"product_id":"reedkontakt-turschalter-tur-und-fensteruberwachung-fur-alarmanlagen","title":"Reed contact door switch - magnetic switch with permanent magnet","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMagnetic switch for monitoring door and window positions\u003c\/li\u003e \u003cli\u003eReed contact with permanent magnet as the trigger\u003c\/li\u003e \u003cli\u003eTwo-wire connection for direct integration into alarm systems and sensor networks\u003c\/li\u003e \u003cli\u003eOpening detection by separating the magnet from the switch\u003c\/li\u003e \u003cli\u003eDurably wear-free, as it has no moving mechanisms\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThe reed contact is a magnetic door switch that reliably detects the opening of doors and window frames. It consists of a tubular glass capsule with two spring contacts and a matching permanent magnet that presses the contacts together when closed.\u003c\/p\u003e \u003cp\u003eAs soon as the door or window is opened and the magnet moves away from the switch, the contacts separate and interrupt the electrical connection. This allows every opening to be detected and relayed immediately. Since there is no mechanical wear, the system remains reliable over a long period of time.\u003c\/p\u003e \u003cp\u003eIn building security, such contacts are frequently installed in alarm systems to report unauthorized access. They are compatible with most standard sensor networks and allow multiple opening detectors to be operated in parallel from a central control unit. They are also used in monitoring systems for controlling frequently used access points.\u003c\/p\u003e \u003cp\u003eConnection is made via two wires directly to the inputs of a control unit or controller. It is important that the control unit's contact rating matches the intended switching load so that signals can be transmitted safely. The magnet must be correctly aligned and mounted at a distance of approximately 15 millimeters so that the contact closes and opens reliably.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe reed contact is intended exclusively for use in protective devices, automation systems, and alarm systems, not for directly operating high-load consumers. Incorrect installation can lead to unsafe conditions. If you have questions about integration or are unsure about the application, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cp\u003e1x reed contact door switch \/ door and window monitoring for alarm systems\u003c\/p\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998292287837,"sku":"F23106485","price":1.79,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/reedkontakt-tuerschalter-tuer-und-fensterueberwachung-fuer-alarmanlagen-funduino-9520569.png?v=1791495470"},{"product_id":"wippschalter-2-pin-6a-125v-ac-3a-250v-ac","title":"KCD1 rocker switch - 2 pins, 250 V \/ 3 A, on","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRocker switch with two connection pins\u003c\/li\u003e \u003cli\u003eSwitches up to 6 A at 125 V AC or 3 A at 250 V AC\u003c\/li\u003e \u003cli\u003eSuitable for building prototypes and control cabinets\u003c\/li\u003e \u003cli\u003eMechanical rocker with a stable latching action\u003c\/li\u003e \u003cli\u003eIP65 protection rating\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis rocker switch is used to manually switch circuits on and off in low-voltage applications. With two connection pins, it is connected in series and directly controls the power supply or individual loads. The mechanical rocker latches in both positions and clearly indicates the switching state.\u003c\/p\u003e \u003cp\u003eThe permissible switching capacity depends on the operating voltage. At 125 V AC, the switch handles up to 6 A; at 250 V AC, only up to 3 A. Above these limits, the switch may be damaged or may no longer open reliably. Using a thicker-than-necessary wire at 250 V is therefore pointless, but it does not protect the switch. The IP65 protection rating keeps out splashing water and light contamination, but it is not sufficient for complete submersion.\u003c\/p\u003e \u003cp\u003eThe switch is suitable for laboratory power supplies, test stations, and control cabinets where manual switching is performed frequently. It also prevents mix-ups in test setups with several power sources connected in parallel by means of its two stable positions. In simple prototypes, it replaces plug connections for the power supply.\u003c\/p\u003e \u003cp\u003eApproval is required for operation on household mains circuits, and installation must be carried out by a qualified electrician. In laboratory setups with low-voltage sources, this requirement does not apply provided that the current remains below the specified limits.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis switch is not intended for installation in household electrical systems. Work on or near electrical installations may only be carried out by a qualified electrician. The switch is intended for building prototypes and for testing and development purposes; if you are unsure about the permissible switching 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 rocker switch - 2-pin, 6A \/ 125V AC - 3A \/ 250V AC\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998292943197,"sku":"F23105978","price":0.63,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/wippschalter-2-pin-6a-125v-ac-3a-250v-ac-funduino-4332005.png?v=1791496421"},{"product_id":"kcd1-105-wippschalter-250v-12a","title":"KCD1-105 rocker switch - 250 V \/ 12 A, solder terminals","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRocker switch for mains voltage, two latching switch positions\u003c\/li\u003e \u003cli\u003eRated voltage 250 V AC, rated current 12 A\u003c\/li\u003e \u003cli\u003eFlat plastic rocker actuator\u003c\/li\u003e \u003cli\u003eSolder terminals on the back for direct PCB wiring\u003c\/li\u003e \u003cli\u003eSuitable for control cabinets and industrial control panels\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis rocker switch is a mechanical circuit breaker for devices and systems with mains voltages up to 250 V and current loads of up to 12 A. The switch locks into both positions, enabling safe, clearly distinguishable on and off states without the risk of drifting.\u003c\/p\u003e \u003cp\u003eThe flat rocker actuator can be operated ergonomically with the thumb and is housed in a compact plastic enclosure. The switch contacts are designed as solder terminals on the back and connect directly to the circuit or power wiring system of the assembly.\u003c\/p\u003e \u003cp\u003eThe switch is used in control cabinets, machine control panels, emergency-stop functions, and wherever a reliable, immediately recognizable switching operation is required. Its robust design also permits frequent switching cycles without signs of fatigue.\u003c\/p\u003e \u003cp\u003eTo commission the switch, the solder terminals are integrated into existing circuits or soldered onto printed circuit boards. The switch voltage and permissible current must not be exceeded to maintain reliable contact operation.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eThis switch is not intended for direct connection to household mains wiring. Work on or near electrical installations with mains voltage may only be carried out by qualified electricians. If there is any uncertainty regarding the switching voltage, current load, or wiring, a qualified electrician must be consulted before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x\u0026nbsp;KCD1-105 rocker switch - 250V, 12A\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998294450525,"sku":"F23107411","price":1.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/kcd1-105-wippschalter-250v-12a-funduino-6693273.png?v=1791495865"},{"product_id":"r16-503ad-schalter-3a-einrastend-beleuchtet","title":"R16-503AD switch - latching, illuminated, 250 V \/ 10 A, red","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eLatching switch for 3 A load current, illuminated\u003c\/li\u003e \u003cli\u003eContact configuration 1*SPDT (changeover switch), 250 V AC \/ 10 A or 30 V DC \/ 3 A\u003c\/li\u003e \u003cli\u003eConnection type: 6.3 mm solder lugs\u003c\/li\u003e \u003cli\u003eLED illumination available in several colors\u003c\/li\u003e \u003cli\u003eFlat design, for installation in front panels\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eAn illuminated latching switch with an integrated LED is suitable wherever switch positions need to provide visual feedback and only small loads are being switched. The switch operates as a changeover switch and can switch up to 3 A DC or 10 A AC at 250 V.\u003c\/p\u003e \u003cp\u003eThe latching mechanism keeps the switch in the selected position, so no force is needed to hold it. The LED illumination remains lit regardless of the switch position, making the operating status visible even in dark environments. The solder lug connections allow direct wiring on the circuit board or connection to suitable crimp contacts.\u003c\/p\u003e \u003cp\u003eTypical applications include control panels on laboratory equipment, indicator switches on measuring instruments, function selectors in audio and amplifier technology, and status indicators in control cabinets. The flat design fits into narrow front panels; however, higher-power applications require a relay output from the switch.\u003c\/p\u003e \u003cp\u003eThe maximum switching capacity is 10 A for AC; loads beyond this limit must be switched via a separate relay or contactor. The LED illumination requires a separate power supply, which may be independent of the switching voltage.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eThe switch is not intended for installation in household mains circuits and may only be used 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. When wiring, observe the permitted switching capacities and use an upstream switching relay for higher loads.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x R16-503AD - switch - 3A, latching\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998300447069,"sku":"F23105638","price":0.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/r16-503ad-schalter-3a-einrastend-beleuchtet-funduino-7990099.png?v=1791496633"},{"product_id":"schalter-12-12-9-4mm-wasserdicht","title":"Push button 12 x 12 x 9,4 mm - waterproof, 12 V \/ 3 A","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eWaterproof push-button switch for 12 V DC\u003c\/li\u003e \u003cli\u003eContact rating up to 3 A\u003c\/li\u003e \u003cli\u003e12 mm diameter button, 9 mm travel\u003c\/li\u003e \u003cli\u003eHousing with 4 mm mounting hole\u003c\/li\u003e \u003cli\u003eSuitable for prototyping and development in damp environments\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eThis waterproof push-button switch is suitable for switching tasks in projects subject to increased moisture exposure. Its 12 V DC rating allows direct connection to commonly used power sources such as batteries or power supplies with the appropriate output voltage.\u003c\/p\u003e \u003cp\u003eThe 12 mm diameter button provides a firm operating surface, while the 9 mm travel ensures reliable mechanical actuation. The maximum contact rating of 3 A limits the loads that can be switched, so higher-power consumers must be controlled via a relay. The housing with a 4 mm mounting hole fits standard screw connections.\u003c\/p\u003e \u003cp\u003eThe waterproof design allows use outdoors or in damp work environments. Typical applications include controls for small pumps, fans, or lights in experimental setups, provided their current consumption remains below 3 A. Stable 12 V power is required for operation, supplied by a laboratory power supply, car battery, or suitable switching power supply.\u003c\/p\u003e \u003ch3\u003eSafety notice\u003c\/h3\u003e \u003cp\u003eSwitches are intended exclusively for building prototypes and for testing and development purposes and are not suitable for use in household electrical circuits. A suitable relay must be installed upstream in circuits with higher power levels. If you are unsure about the correct sizing of the power supply or switching load, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x switch, 12*12*9.4mm - waterproof\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998300610909,"sku":"F23106719","price":0.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/schalter-121294mm-wasserdicht-funduino-1028493.png?v=1791496440"},{"product_id":"arcade-taster-27mm-gewindedurchmesser-verschiedene-farben","title":"Arcade button - Ø 27 mm thread, screw mounting, Pink","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eArcade button with a 27 mm thread diameter\u003c\/li\u003e \u003cli\u003eAvailable in several versions\u003c\/li\u003e \u003cli\u003eRobust switch contacts designed for repeated actuation\u003c\/li\u003e \u003cli\u003eMechanical fastening with a thread\u003c\/li\u003e \u003cli\u003eReliably detects button presses\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eProduct description\u003c\/h3\u003e \u003cp\u003eArcade buttons with a 27 mm thread diameter are used to detect user inputs in game consoles, control panels, and operator panels. The thread enables secure installation in suitably pre-drilled sheet-metal housings or front panels without the need for additional fasteners.\u003c\/p\u003e \u003cp\u003eThe button operates on the principle of direct mechanical switching. Pressing the cap abruptly closes or opens the internal contact, triggering a digital signal. The robust construction withstands repeated actuation over a long period and responds immediately to every input.\u003c\/p\u003e \u003cp\u003eThese buttons are found in arcade machines, where response speed matters, as well as in industrial operator panels for machines and systems. They are also used in DIY arcade projects or custom control systems when a reliable and durable input method is required.\u003c\/p\u003e \u003cp\u003eMounting is done through the thread from above into the hole without nuts or clips, which simplifies installation. Depending on the version, details such as the cap shape or contact behavior may differ. The connection to the control logic is made via the button's switch contacts, whose wires can be connected to a microcontroller or a PLC.\u003c\/p\u003e \u003ch3\u003eSafety information\u003c\/h3\u003e \u003cp\u003eContact with mains voltage poses a risk of electric shock. These buttons are intended exclusively for building prototypes and for testing and development purposes with low voltages. Work on or near electrical installations must be carried out by qualified electricians; if you are unsure, consult a qualified electrician before commissioning.\u003c\/p\u003e \u003ch4\u003eScope of delivery\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e1x Arcade button - 27mm thread diameter - various colors\u003c\/li\u003e \u003c\/ul\u003e","brand":"Funduino","offers":[{"title":"Default Title","offer_id":65998301528413,"sku":"1111asd","price":3.77,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1074\/5649\/5965\/files\/arcade-taster-27mm-gewindedurchmesser-verschiedene-farben-funduino-3655110.png?v=1791496633"}],"url":"https:\/\/funduino.com\/en\/collections\/push-buttons-and-switches.oembed","provider":"Funduino","version":"1.0","type":"link"}