Hello! I will be using arduino nano to turn on and off 5 electromagnets like these ( https://www.aliexpress.com/item/32815809960.html?spm=a2g0o.placeorder.0.0.4b38321eMh4iBq&mp=1 ). The magnets will be powered with external powersupply. At first I thought about using a relay board but I understand…

Driving multiple electromagnets

lpsd October 18, 2021, 11:30am 6

Okay, thanks! This is making everything clearer now.

Do I connect nothing to this pin then?

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