so where do I get the 12v from? If I power board using a 12v 1 amp power supply will that work?
I just bought the 16 channel relay board too.I see there are 5v and ground pins next to the 16 channel pins.I'm assuming that I should plug the 5v and ground from my Arduino into these terminals as well.Am I correct?Or are they power out to the Arduino board?It sucks that there is no documentation for this board.
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