Not really AVR specific, but the schematic does contain an AVR =)
When running ERC in eagle, I'm getting this:
ERROR: OUTPUT and SUPPLY Pins mixed on net +5V
I assume it's because I have the output pin of a 7805 declared as OUT (not my library) and I've connected it to +5V symbols I'm using.
Since the +5V has to come from somewhere, isn't there always some regulator, supply, etc connected to it?
I know it can be ignored, but for my own curiosity, is there a way to make eagle happy?