SSR Relay Module 4 Channel 5V DC Solid State esp32 esp-32 nodemcu Uno

4 Channel 5V DC Relay Module Solid State Low Level OMRON SSR AVR DSP for Ardui-no Description: 5V Omron solid state relays 240V 2A, output with resistive fuse 240V 2A. Input power supply: 5V DC (160MA) Input control signal voltage: (0-2.5V low state relay OFF) (3.3-5V state high relay ON) Module interface: DC +: positive power supply (by relay voltage power supply) DC-: connect power negative CH: Relay Module signal triggering end (Low level trigger effective) Note: Power must be DC voltage and need to be consistent with the voltage relay