Dual Relay Driver Board

  • Rajkumar Sharma
  • 12981
  • moderate
  • Tested



Dual Channel Relay Board is a simple and convenient way to interface 2 relays for switching application in your project.

  • Input – 12 VDC @ 84 mA
  • Output – two 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 relay status
  • Power Battery Terminal (PBT) for easy relay output connection
  • Four mounting holes of 3.2 mm each
  • PCB dimensions 49 mm x 68 mm



Parts List




  • Apolo Mund

    Thank you for sharing the schematics and even the list of parts to buy. I’m not a pro with electronics, and I’d like to ask if you could add the different components one would need to use a 5V supply (of course, with 5V relays). I’m working with Arduino and I intend to build a 2 channel 5V relay board to control a garage motor and another security system.
    Once again, thank you for everything you’ve already shared!

    4 years ago

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