Hello everyone! I bumped to a problem as i was playing with my arduino. I was working with serial communications on arduino. So I wrote a sketch, put a Serial.println(); command in loop() (I missed my inner if loop, and it runs infinitely) so now i try to upload a new program but i can't because …

[Solved] Wipe out sketch from arduino the hard way - 8U2 firmware bug

stephen_t February 23, 2011, 8:49pm 5

Sounds like the 8U2 firmware bug on the Uno/Mega2560. Upgrading the firmware will probably cure it if it is.

This is the easy way of putting it in DFU mode :

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