![Yizhet 5V 2 Channel-Relay DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (2 Channel) : Amazon.co.uk: DIY & Tools Yizhet 5V 2 Channel-Relay DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (2 Channel) : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/71E6vvkv3uL._AC_SL1500_.jpg)
Yizhet 5V 2 Channel-Relay DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (2 Channel) : Amazon.co.uk: DIY & Tools
![12V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (12V-2Channel): Amazon.com: Industrial & Scientific 12V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (12V-2Channel): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81F88t-oKjL.jpg)
12V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (12V-2Channel): Amazon.com: Industrial & Scientific
![5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific 5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71aojw7GmKL._AC_UF1000,1000_QL80_.jpg)