Helo again. I have VISTA 32. With arduino erw 1.0.2 i try upload a sketch on board ( arduino mega 2560 ) with usb. I failed !!!!!!!. I took the hex and i upload it on board with a programmer ( stk 500 ) on chip mega 2560 with isp. It is ok!!!!!!!!. I can see the arduino board on com 14 with usb. …

PROBLEM TO UPLOAD ARDUINO mega 256

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