Connection 8 Channel Relay Board Circuit Diagram. Reverse polarity protection diode d17 provided. Input voltage level support ttl as well as cmos.
Input 12 vdc 336 ma output eight spdt relay relay specification 5 a 230 vac trigger level 2 5 vdc berg pins for connecting power and trigger voltage led on each channel indicates. 8 channel relay board is a simple and convenient way to interface 8 relays for switching application in your project. This is a 5v 8 channel relay interface board be able to control various appliances and other equipment with large current.
This project is a general purpose 8 channel relay board.
But in this bord is old. But in this bord is old. With handle ac supply directly for home automation. But pcb of new version of 8 channel relay module.
