Sketch uses 5386 bytes (16%) of program storage space. Maximum is 32256 bytes. Global variables use 347 bytes (16%) of dynamic memory, leaving 1701 bytes for local variables. Maximum is 2048 bytes. "C:\Users\darrylhii\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdu…

Using Arduino UNO R3 - Avrdude: stk500_getsync() Failed uploading: uploading error: exit status 1

sterretje September 4, 2023, 5:41am 10

Regarding
2: yes
3: sorry, missed it
5: OK, faithfull clone using 16U2

Have you tried the loopback test (Loop-Back Test Instructions)?

After that I think that I'm out of options.

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