I have an Arduino Mega, a 12v source, an electromagnet and a relay. I pass one cable from the electromagnet through the relay and connect it to positive and the other cable I connect to negative of the source. I do that with my engines and they work fine. The problem is that when I turn off the el…

Electromagnet with relay reset arduino

jim-p November 29, 2023, 8:50am 21

Untill you show us how you have things connected and a picture of your relay board, we can't help

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