I made my own Arduino clone board using a ATMega644P microcontroller. In the past, I used the AdaFruit 644P boatloader with no problems. Unfortunately the bootloader does not seem to work with the current Arduino IDE. I would really like to use my home-brew boards with the current IDE, since I ne…

Help needed with ATMega644P bootloader

CrossRoads November 2, 2012, 5:09am 4

watch for 644 vs 644a vs 644P
I think only P has dual serial ports, check data sheet to be sure.

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