High Level Driver Single Relay Module Optocoupler Isolated Drive Control Board

1 channel 12V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

12V Relay Modules 1-2-4-8 Channel Relay High Low Level Optocoupler Arduino -UK

1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC ARM AVR

5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR

12V 1 Channel Relay High&Low Level Trigger Module With Optocoupler Isolation

DC 5V 12V 24V Relay Module 1-8 Channel Optocoupler Board

DC 3.3V 5V 3-Channel Relay Module With Optocoupler Isolation Compatible Signal