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Topic: Power an Arduino through another (Read 451 times) previous topic - next topic

xEDWARDSx

Is it possible and safe to power one arduino through a USB and from that one power another Arduino? Or do you have to use 2 separate power supplies?

Osgeld

as long as you connect grounds and do no exceed the current capabilities of your supply (which usb is 500ma) yea its fine

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