I'm pretty sure I understand how this needs to be done, but I want to make sure so I don't ruin my Arduino or anything else. I have a 120VAC geared motor that I want to be able to switch on and off using the Arduino. If I understand right, I'll need to use a relay. While relays that can be switched …

Switching on/off a 120VAC motor

JimboZA February 3, 2013, 5:04am 4

Yep I sensed that.... just be careful with that mains power ] Some kind of opto-isolation would be good once you get past the whim stage I guess..

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