Over Voltage and receive stk_500 error

Official Hardware UNO Family UNO R3
1

Hi. I recently over-voltage my arduino uno board (+12V). Then I can't upload my sketch to that board. I got the error message as below. I would like to know what is the best way to fix this problem. I also tried to burn bootloader into the damaged board with another arduino board but it doesn't work and another error pops up.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xde

Thanks for your time and suggestions.

2

Buy a new UNO ?

3

The old UNO will make a nice conversation piece and a template. The new UNO will work great as long as you do not stress it.

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