I keep getting errors that say avrdude: stk500_getsync(): not in sync: resp=0x00 avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51 And it uploaded fine a week ago and now it wont even let me put a basic example program on there.

board wont upload blink program!

system March 18, 2011, 11:38pm 12

Which arduino board are using? Which version of Arduino software. Which operating system?

Topic		Replies	Views
Need help uploading IDE 1.x	3	994	May 5, 2021
avrdude: stk500_getsync(): not in sync: resp=0x00 IDE 1.x	9	3322	May 5, 2021
Cant upload to board IDE 1.x	11	2151	May 5, 2021
Uploading error Troubleshooting	23	7646	May 6, 2021
avrdude error Troubleshooting	11	3078	May 6, 2021