I have a duemilanove and was getting sync errors whenever I tried to use a new ATMega328 chip (both with and without boot loader installed). When I reinstalled my original 328, it worked fine. The solution I had to implement was to purchase a USBtinyISP. connect it to my Duemilanove. Then under the…

Found another solution to avrdude stk500 not in sync error

CrossRoads May 22, 2014, 8:11pm 2

I burn all my 328P DIPs as Unos, then it doesn't matter what board they are installed in, they all work with optiboot bootoader at Uno speeds.

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