read on an independent site that you risked damaging the board if you used an outside voltage to do the switching,
You probably misunderstood that. It is when you apply a voltage outside the voltages that are powering the board.
read on an independent site that you risked damaging the board if you used an outside voltage to do the switching,
You probably misunderstood that. It is when you apply a voltage outside the voltages that are powering the board.