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Originally Posted by CronosPrime1
Is a signal of +5V as opposed to 0V considered a digital 1 or a digital 0? Or does it depend on where? If so, can someone detail when +5V is 1 and when it's 0? I've been confused about this for a while...
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The digital inputs are pulled to +5v by defualt, so they are 1 when nothing is connected to them. Grounding them sets them to 0.