Hi, I have a logic/code issue to solve, activating a motor with two options, manual switch and also a Relay by the Arduino pin #13 - both from the same power source(ac). I would like to avoid a case that the relay will activate the motor in the same time as the manual switch is pushed on. for that…

Feedback pin to operate relay

cedarlakeinstruments November 27, 2021, 4:35pm 3

Take a look at how 3-way switches are wired: 3-Way Switches - Electrical 101

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