Hi! Probably I have the on-board +5 vdc regulator chip in my Arduino Mega defective. Because nothing works when I plug in a external power source. But plugged the USB works normal. Then I had an idea. Adapting a USB cable connecting the positive and negative poles to a power source that generates 5…

Little help with USB power

system May 20, 2014, 6:15pm 5

Splendid! thank you so much cjdelphi!

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