I purchased an Arduino Mega 2560 clone and I believe the ATMega2560 is heating up too much (my Uno doesn't heat up at all).Powered it from USB and tested with nothing connected, running a sketch that loops some math. Measuring with an IR thermometer I get about 39ºC (the rest of the board is around 30ºC and ambient is 27ºC).Other than that it seems to be OK, I even tested every pin (as input and output) and they all work fine.Also tested from a 9V battery and the board draws ~80mA with nothing connected.Do you guys think this is an issue or should I just ignore it? If it's a latent issue that'll show up later I'd rather know now so I can request an RMA.Is there any other test I can/should run?Thanks in advance!
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