Hello, I hope someone can point me in the correct direction to resolve this issue. I have a newish floor standing electric heater that is not used due to the horrendous difficulty in the user interface, so I thought to bypass this and use a simple plug in timer. This causes the heater to get very ho…

Suspected earth loop

Railroader October 29, 2021, 4:28pm 6

I don't see the connection between relay module GND and the 5 volt system GND.

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