Hello all. I have researched this a little bit but I saw a few different solutions. One is use a transistor the other is a relay. What would be the best way to do that without damaging it. My code from one Arduino needs to turn on a second one for a few different reasons. Does anyone know the best w…

How to power an Arduino with the output pin from another Arduino

johnboyman November 26, 2021, 10:12am 5

thanks for the tip

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