DFRobot, Relay Shield V2.1 Help

Account cancelled 2018-05-16 21:20:12 1499 Views1 Replies
Hello all,

I require help with my Relay Shield v2.1, I have been attempting to trigger the relays via a button on a breadboard, could someone help me.

Regards
Theodore.

2018-05-24 17:48:12 What is the problem? the relay is not triggered? robert.chen