I have an LED strip that has a 120v power supply and I am wondering if i use a relay, can i cut the power supply and hook it up to my arduino?
Of course you can. A relay is just a switch and the Arduino can control that and turn the supply to the LEDs on and off as required
I hope that it goes without saying that the 120V is not connected to the Arduino in any way
Beware that 120V can give you a serious shock - if you need to ask the question, it would be safer to stick to low-voltage stuff.
Thats what I thought because the relay can handle up to 250vac so I should be able to. I am still new to all this so I am wondering exactly how to do it. I have the relay and understand the basics but how would YOU do it
Also do you think there is a way to use a rp2040 and control it through the cloud?
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