I have an ATmega2560 R3 with a 16u2 on it. I am having a heck of a time resetting the 16u2 and was wondering if anyone else had some advice on this. I have an AVRISPmkII and have tried to program the 16u2 with Arduino-COMBINED-dfu-usbserial-atmega16u2-Mega2560-Rev3.hex, however, this has not yet wor…

ATmega16u2 problem?

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