Hi, Started to use a new Mega 2560 yesterday and receive this from the Arduino IDE when I upload (OS X, 10.11.5): avrdude: stk500v2_ReceiveMessage(): timeout avrdude: stk500v2_ReceiveMessage(): timeout avrdude: stk500v2_ReceiveMessage(): timeout avrdude: stk500v2_ReceiveMessage(): timeout avrdude:…

Mega 2560 - can't program - OS X, USB

wilykat September 30, 2017, 2:56am 4

Can you try burning a Mega bootloader via ICSP? Maybe it wasn't programmed right?

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