My arduino Uno was working normally. I ran the program succeed but Suddenly it has an error "skt500_recv() : programmer is not responding stk500_getsync() attemp 1 of 10: not in sync: resp=0xc9" I tried to plug out all the wire and pushed the reset button, I checked COM port and update driver, dow…

stk500_recv() and stk500_getsync()

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