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Reading 2 voltages simultaneously with Arduino

That's good because I still haven't found my mega Image may be NSFW.
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:slight_smile:
but that said I'm somewhat confused. Are they reading a differential voltage (i.e. 2 pins reading the opposite ends of a resistor to measure the difference between the two voltages? Otherwise I don't see why the two analog pins would have any relationship to each other.

Peter Van Epp


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