That is, do ATmega16U2 chips break? I have had one, a Mega clone, running in a system for a month now and suddenly the USB part stopped working. I am not going to see it until tomorrow, so I do not know what the problem is, but I am worried. 100% or all of the boards have now broken, but of course …

Do Arduino Mega 2560 R3 USB break easily?

SurferTim March 21, 2013, 5:25pm 7

I think the OP in the other thread removed T1 from the circuit board to permanently isolate the power buses.

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