Hello, I have a simple circuit, I use an Arduino and a relay module like this (see picture). I want to switch the motor on and off (no speed control) via that relay, the issue I have is that as soon I connect the relay to the motor the Arduino program is going crazy and it does random things. When…

Problem switching an AC 120v motor with relay

Other Hardware Motors, Mechanics, Power and CNC

JohnRob September 20, 2021, 5:56pm 6

Are the motor wires and the Arduino button wires near each other? I'll assume the internal pullup is enabled on D13. However perhaps you need a stronger pullup. 5k or 10k.

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Problem switching an AC 120v motor with relay

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