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Main > Switches and relays

Switches and relays

Switches, keyboards, relays, valves
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A simple tact button, also known as a 'push button', commonly used on Arduino boards as user/boot/reset button, 6x6 mm, breadboard friendly, pack of 10.
ID: 10885   Your Price: €1.00
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This is a simple SPDT slide switch - great for use as an ON/OFF button, or just as a general control switch. The pins are spaced by 0.1", so it's breadboard friendly. The package contains 10 switches.
ID: 10884   Your Price: €1.00
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The KY-004 key switch module is a push button that will close the circuit when pressed, sending a high signal.
ID: 10115   Your Price: €1.20
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A simple vibration detector - switch closes when sensor vibrates.
ID: 10113   Your Price: €1.50
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The KY-017 mercury tilt switch module is a switch that responds to movement. It uses a small mercury ball that completes the circuit when the module is tilted. Compatible with many electronics platforms like Arduino, Raspberry Pi, ESP32 and others.
ID: 10120   Your Price: €1.30
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The KY-020 Tilt Switch Sensor module is a switch that reacts to movement. It closes the circuit when it’s tilted to the side as long as it is moved with enough force and degree of inclination to activate the ball switch inside.
ID: 10116   Your Price: €1.70
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The KY-031 Knock Sensor module is a vibration sensor that sends a signal when a knock/tap is detected. Compatible with Arduino, ESP8266, ESP32, Teensy, Raspberry Pi, and other popular platforms. Signal is set to HIGH when knock is detected.
ID: 10112   Your Price: €1.60
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KY-040 rotary encoder is a device that generates an electrical signal based upon how much the rotary input device (knob) is rotated and the direction it is rotating in. This version also has integrated push button switch. Works with 3.3 or 5V microcontrollers.
ID: 10130   Your Price: €3.00
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This encoder is often used with LCD displays to navigate menus and confirm selection. It's also used on 2004 LCD controller for 3D printers.
ID: 11916   Your Price: €3.00
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Simple 2-pin KCD1 rocker switch, max 6A/250V, dimensions 21 x 15 x 24 mm, weight 4 g, black color.
ID: 10853   Your Price: €0.50
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Simple 2-pin KCD1 rocker switch, max 6A/250V, dimensions 21 x 15 x 24 mm, weight 4 g, red color.
ID: 11915   Your Price: €0.50
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Metal self-locking On/Off switch with red LED, 12 mm thread, 9 mm button diameter, 27 mm length (including contacts).
ID: 12512   Your Price: €2.10
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Metal self-locking On/Off switch with red LED, 16 mm thread, 14 mm button diameter, 36 mm length (including contacts).
ID: 12511   Your Price: €2.50
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Mount IEC male plug with 3-pin switch with light. Comes with extra 250V/6A fuse.
ID: 12037   Your Price: €3.20
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Mount IEC male plug with 4-pin switch with light. Comes with extra 250V/6A fuse.
ID: 12038   Your Price: €3.19
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Quantity On Hand: 70
Smaller than SS-5GL, this micro endstop (also known as Makerbot MK7/MK8 switch) is oftenly used on different 3D printers. Dimensions (body only): 12.8x6.2x5.9 mm.
ID: 11938   Your Price: €0.60
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Brand: SS-5GL
SS-5GL endstop limit switch for 3D printer
ID: 10322   Your Price: €1.50
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Heavy duty microswitch with roller wheel, max 15A 250VAC, dimensions: 27.8x15.9x10 mm, lever length 27 mm, roller diameter 4.75 mm.
ID: 10629   Your Price: €1.50
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Induction proximity sensor, PNP type (NO), detection range 8 mm, operating voltage 6-36 V, output current max 300 mA, dimensions M18x70 mm, cable length 1.2 m.
ID: 10886   Your Price: €7.50
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Induction proximity sensor, NPN type, detection range 4mm, can be used for 3D printer bed autoleveling. Operating voltage 6-36 V, output current 300 mA, dimensions M12x60 mm, cable length 1.2 m.
ID: 11672   Your Price: €6.00
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Induction proximity sensor, NPN type, detection range 8mm, can be used for 3D printer bed autoleveling. Operating voltage 6-36 V, output current 300 mA, dimensions M18x70 mm, cable length 1.2 m.
ID: 11673   Your Price: €6.00
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This keypad has 4 buttons, and since every key has its own wire line, no matrix code is required - just treat these like every day switches. The membrane is soft and has a removable paper backing to expose a strong adhesive so you can stick this on an enclosure.
ID: 11627   Your Price: €2.50
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Simple 3x4 membrane keypad with 7-pin dupont connector and self-adhesive back. Max rating 35 VDC, 100 mA, dimensions: 68.9 x 76 x 0.8mm, with 85 mm cable.
ID: 11565   Your Price: €3.00
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Simple 4x4 membrane keypad with 8-pin dupont connector and self-adhesive back. Max rating 35 VDC, 100 mA.
ID: 11566   Your Price: €3.00
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Simple 4x5 membrane keypad with 9-pin dupont connector and self-adhesive back. Max rating 35 VDC, 100 mA.
ID: 12581   Your Price: €3.50
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Brand: Adafruit
This board has 18 total 'I/O' pins, 10 columns and 8 rows, which can be arranged as a matrix of buttons for a total of 80 switches. Or you can use any subset as individual GPIO input or outputs. The nicest part of the keypad driver is that it has a 10-element event FIFO queue. Since it's I2C (StemmaQT/Qwiic/EasyC compatible) it's very easy to use with any microcontroller or computer.
ID: 12649   Your Price: €9.50
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Brand: Adafruit
Adafruit NeoKey 1x4 QT I2C breakout fits four Cherry MX or compatible switches and make it easy to use with a breadboard/perfboard or with a STEMMA QT (Qwiic) connector for instant I2C connectivity on any platform. A microcontroller is required to drive this board, it isn't stand-alone. Keys & keycaps are not included: you can use any MX-compatible switch.
ID: 12552   Your Price: €15.60
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Quantity On Hand: 104
Brand: Gateron
The factory lubricated Gateron PRO Brown switch gives haptic feedback without a loud click, with an actuation force of 55 grams and a path to the switching point of 2 mm. This is Cherry MX compatible switch and it's compatible with standard keycaps.
ID: 12553   Your Price: €1.00
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Cherry MX compatible clear keycap with no inscription.
ID: 12554   Your Price: €0.80
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Brand: Bestep
This is a low voltage relay module, which makes it perfect combination for 3.3 V Arduino boards or Raspberry Pi. It can be used as NO (normally open) or NC (normally closed), max load is AC 250V/10A or DC 30V/10A, trigger current is 5 mA.
ID: 11415   Your Price: €5.00
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This 1-channel 5V relay module can be controlled via broad range of microcontrollers, including Arduino, Raspberry Pi, AVR, PIC, ARM. Trigger can be set to high or low via jumper.
ID: 11929   Your Price: €2.50
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This 2-channel 5V relay module can be controlled via broad range of microcontrollers, including Arduino, Raspberry Pi, AVR, PIC, ARM. Trigger can be set to high or low via jumpers, for each relay separately.
ID: 11849   Your Price: €3.85
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This 4-channel 5V relay module can be controlled via broad range of microcontrollers, including Arduino, Raspberry Pi, AVR, PIC, ARM. Trigger can be set to high or low via jumpers, for each relay separately.
ID: 11771   Your Price: €6.00
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This 8-channel 5V relay module can be controlled via broad range of microcontrollers, including Arduino, Raspberry Pi, AVR, PIC, ARM. Trigger can be set to high or low via jumpers, for each relay separately.
ID: 11708   Your Price: €9.00
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Solid state relay module with 5V control logic and up to 240VAC/2A load with fuse. This is low level trigger module, SSR is ON when control signal is LOW. Module dimensions: 34x25x22 mm.
ID: 12492   Your Price: €3.50
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Solid state relay module with 5V control logic and up to 240VAC/2A load with fuse. This is high level trigger module, SSR is ON when control signal is HIGH. Module dimensions: 34x25x22 mm.
ID: 12582   Your Price: €3.50
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Quantity On Hand: 9
Solid state relay module with 5V control logic and up to 240VAC/2A load with fuse. This is high level trigger module, SSR is ON when control signal is HIGH. Module dimensions: 33x55x22 mm.
ID: 12583   Your Price: €5.80
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Quantity On Hand: 6
Brand: Fotek
Solid state relay is used for contactless switching of the devices of high power. It is characterized by rapid time switching and quiet operation. Operating voltage is 24-380 VAC, rated current is 10 A and control voltage is 3-32 VDC which makes it compatible with 3.3 V logic (Raspberry Pi, ESP32 , ARM based microcontrollers etc.).
ID: 12314   Your Price: €10.70
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Brand: Fotek
Solid state relay is used for contactless switching of the devices of high power. It is characterized by rapid time switching and quiet operation. Operating voltage is 24-380 VAC, rated current is 25 A and control voltage is 3-32 VDC which makes it compatible with 3.3 V logic (Raspberry Pi, ESP32 , ARM based microcontrollers etc.).
ID: 12536   Your Price: €10.70
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Quantity On Hand: 4
Brand: Fotek
Solid state relay is used for contactless switching of the devices of high power. It is characterized by rapid time switching and quiet operation. Operating voltage is 24-380 VAC, rated current is 40 A and control voltage is 3-32 VDC which makes it compatible with 3.3 V logic (Raspberry Pi, ESP32 , ARM based microcontrollers etc.).
ID: 12537   Your Price: €10.70
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Quantity On Hand: 16
Using this module you can adjust PWM output and let the Arduino drive up to 24 V load, such as LED lights belt, dc motor, micro pump, solenoid valve. Output load voltage 0~24V, output current <5 A (if more than 1 A you'll need heatsink). Dimensions 33 x 24 x 18 mm, weight 10 g.
ID: 10848   Your Price: €2.20
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MOSFET's has good switching characteristics and is widely used to control almost any DC load. This is a 4 channel MOSFET switch and it use the very popular IRF540 MOSFET. It is perfect for switching DC loads up to 10A.
ID: 12474   Your Price: €5.20
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Control the flow of fluid using the flow of electrons! This liquid valve would make a great addition to your robotic gardening project.
ID: 10412   Your Price: €12.00
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Quantity On Hand: 23
Small and simple electromagnetic lock, 12V DC, 350 mA, 33x27x17 mm.
ID: 12036   Your Price: €7.30