I have an Arduino Mega2560 in an enclosure with a couple of other atmega chips. These and the peripherals are all powered by the same 5v source using a separate DC barrel connector. Since I'm not using the mega's DC barrel connector, I need to make sure that when I connect the usb cable it isn't als…

disable USB VCC on Mega

marcdavidson December 9, 2011, 6:11pm 6

Thanks

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