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Topic: Power an Arduino through another (Read 542 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
http://arduino.cc/forum/index.php?action=unread;boards=2,3,4,5,67,6,7,8,9,10,11,66,12,13,15,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,86,87,89,1;ALL

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