Relays / Transistors

In our assortment, you will find a diverse selection of transistors and relays designed specifically for switching loads with Arduino or Raspberry Pi. These essential components enable you to implement a variety of projects, from simple circuit designs to complex control and automation tasks. As an online shop based in Switzerland, we offer you high-quality components directly from stock, so you can start implementing your creative ideas right away. In addition to transistors and relays, you will also find a large selection of other components for your Arduino, Raspberry, ESP8266, and general electronics projects. Browse through our online shop and discover the variety of products we have in stock to make your projects a success. Start now and take your electronics projects to the next level with our reliable and powerful components.


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1-Channel Relay Module

1-Channel Relay Module

With this 1-channel relay module, you can easily control large loads with 5V from your Arduino or Ra..

CHF5.50 Ex Tax: CHF5.09

Assorted Transistor Set of 170 Pieces

Assorted Transistor Set of 170 Pieces

With this assorted transistor set, you'll always have the right transistor for your Arduino project ..

CHF12.90 Ex Tax: CHF11.93

ESP32-S3 6-Channel Relay Module with RS485 and Pico Header

ESP32-S3 6-Channel Relay Module with RS485 and Pico Header

The ESP32-S3 6-channel relay module provides versatile control options via WiFi, Bluetooth, and RS48..

CHF39.90 Ex Tax: CHF36.91

Gravity Easy Relay Module with DC Barrel Jack 5.5mm / 2.1mm

Gravity Easy Relay Module with DC Barrel Jack 5.5mm / 2.1mm

The Gravity Easy Relay Module with DC Barrel Jack simplifies the control of electronic devices and p..

CHF11.90 Ex Tax: CHF11.01

1-Channel EL817 Optocoupler 12V

1-Channel EL817 Optocoupler 12V

With this optocoupler, you can connect inductive and capacitive NPN or PNP sensors to an Arduino. Th..

CHF6.90 Ex Tax: CHF6.38

1-Channel Solid State Relay Module

1-Channel Solid State Relay Module

This solid state relay is perfect for Arduino if you want to switch loads. Solid state relays, in Ge..

CHF4.90 Ex Tax: CHF4.53

10A 600W MOSFET Driver 4-60V DC

10A 600W MOSFET Driver 4-60V DC

With this High Power 10A 600W MOSFET Driver Module, you can switch larger loads with your Arduino or..

CHF8.90 Ex Tax: CHF8.23

15A 400W MOSFET Driver 5-36V DC

15A 400W MOSFET Driver 5-36V DC

With this high power 15A MOSFET driver module, you can switch larger loads with your Arduino or Rasp..

CHF4.90 Ex Tax: CHF4.53

16-Channel Relay Module

16-Channel Relay Module

With this 16-channel relay module, you can easily control large loads with the 5V from your Arduino ..

CHF24.90 Ex Tax: CHF23.03

16-Channel Relay Module 12V

16-Channel Relay Module 12V

Effortlessly control large loads with the 12V 16-channel relay module, specially designed for 5V mic..

CHF24.90 Ex Tax: CHF23.03

16-Channel RS485 Modbus RTU Relay 16CH

16-Channel RS485 Modbus RTU Relay 16CH

The RS485 16-CH Relay Module is an industrial-grade 16-channel relay controlled via the RS485 bus an..

CHF59.90 Ex Tax: CHF55.41

2-Channel Relay Module 5V

2-Channel Relay Module 5V

With this 2-channel relay module, you can easily control large loads with the 5V of your Arduino or ..

CHF6.90 Ex Tax: CHF6.38

2-Channel Solid State Relay Module 5V

2-Channel Solid State Relay Module 5V

This solid-state relay is perfect for use with Arduino when you want to switch loads. Solid-state re..

CHF7.90 Ex Tax: CHF7.31

32-Channel Relay RS485 Modbus RTU Relay 32CH

32-Channel Relay RS485 Modbus RTU Relay 32CH

The RS485 32-CH Relay Module is an industrially deployable 32-channel relay that is controlled via t..

CHF75.90 Ex Tax: CHF70.21

4-Channel Logic Level Converter 12V to 3.3V

4-Channel Logic Level Converter 12V to 3.3V

This level converter with optocoupler converts 12V signals into 3.3V signals and provides a PNP outp..

CHF14.90 Ex Tax: CHF13.78

4-Channel Logic Level Converter 12V to 5V

4-Channel Logic Level Converter 12V to 5V

This level shifter with optocoupler converts 12V signals into 5V signals and provides a PNP output. ..

CHF14.90 Ex Tax: CHF13.78

4-Channel Relay Module

4-Channel Relay Module

With this 4-channel relay module, you can easily control large loads with 5V from your Arduino or Ra..

CHF12.90 Ex Tax: CHF11.93

5-30V Dual MOSFET Trigger Time Relay Module

5-30V Dual MOSFET Trigger Time Relay Module

With this MOSFET timer relay, you can set a delay from 0.1sec to 999min before the module turns on o..

CHF8.90 Ex Tax: CHF8.23

5-30V Trigger Time Relay Module with USB

5-30V Trigger Time Relay Module with USB

With this timer relay, you can set a delay from 0.1sec to 999min before the module turns on or off. ..

CHF8.90 Ex Tax: CHF8.23

8-Channel Relay Module

8-Channel Relay Module

With this 8 channel relay module, you can easily control large loads with the 5V from your Arduino o..

CHF16.90 Ex Tax: CHF15.63

8-Channel Relay PoE Ethernet RTU/Modbus TCP Protocol

8-Channel Relay PoE Ethernet RTU/Modbus TCP Protocol

The PoE ETH 8-CH relay module is an industrially deployable 8-channel relay that is controlled via E..

CHF49.90 Ex Tax: CHF46.16

Gravity 10A Relay Module 3.3-5V Logic Compatible

Gravity 10A Relay Module 3.3-5V Logic Compatible

This is a 10A relay from DFRrobot. The relay module was specifically developed for low voltage devic..

CHF8.90 Ex Tax: CHF8.23

Gravity 16A Relay Module 3.3-5V Logic Compatible

Gravity 16A Relay Module 3.3-5V Logic Compatible

This is a 16A relay from DFRrobot. The relay module was specially developed for low voltage devices ..

CHF12.90 Ex Tax: CHF11.93

Gravity Analog Signal Isolator Optocoupler

Gravity Analog Signal Isolator Optocoupler

To ensure that sensors like pH sensors and conductivity sensors provide accurate measurements, it's ..

CHF22.90 Ex Tax: CHF21.18

Gravity Digital 5A Relay Module

Gravity Digital 5A Relay Module

The DFRobot relay module is a standard relay that is controlled by a microcontroller to switch large..

CHF6.90 Ex Tax: CHF6.38

Gravity Digital I2C Signal Isolator Optocoupler

Gravity Digital I2C Signal Isolator Optocoupler

The Gravity: Digital I2C Signal Isolator can isolate the digital I2C signal and power the isolated s..

CHF19.90 Ex Tax: CHF18.41

Gravity GP8413 2-Channel I2C to 0-5V/10V DAC Module

Gravity GP8413 2-Channel I2C to 0-5V/10V DAC Module

The Gravity GP8413 module is a high-precision 2-channel DAC module with I2C communication. With a re..

CHF19.90 Ex Tax: CHF18.41

Gravity I2C 2-Channel DAC Module 0-10V

Gravity I2C 2-Channel DAC Module 0-10V

This is a 2-channel digital analogue converter from DFRobot. The module is controlled via I2C and co..

CHF11.90 Ex Tax: CHF11.01

Gravity Magnetic Lock Relay 3.3V-5V

Gravity Magnetic Lock Relay 3.3V-5V

The DFRobot Gravity magnetic latching relay is a powerful and silent relay, compatible with most com..

CHF10.90 Ex Tax: CHF10.08

Gravity MOSFET Driver Module 10A

Gravity MOSFET Driver Module 10A

With the Gravity MOSFET driver module, you can control large currents up to 20A with your microcontr..

CHF6.90 Ex Tax: CHF6.38

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