dk 2 Channel Relay Module with Optocoupler 5V Low Level Trigger Relay Expansion Board for Arduino UNO R3 DSP ARM PIC AVR STM32 Raspberry Pi

This Relay Module With Optocoupler 5V Low Level Trigger Relay Expansion Board Not Only Used As A Microcontroller Development Board Module,But Also As A Home Appliance Control. Such as Arduino UNO R3 DSP ARM PIC AVR STM32 Raspberry Pi It Conform International Safety Standard, With Optical Coupling Isolation, Triggering More Reliable And Stable. 5V 8-Channel Relay Interface Board, And Each One Needs 15-20mA Driver Current This Module Equiped With High-current Relay, AC250V 10A;DC30V 10A. With Power Indicator Control Light. Package: 1pcs * 2 Channel Relay Module