Sketch upload failure

lgbtrains · May 27, 2021, 4:33pm

I have added code to existing running sketch for cmri network connectivity
sketch compiles ok
upload fails

groundFungus · May 27, 2021, 4:35pm

Correct board chosen in Tools?
Correct serial port chosen in Tools?
Good USB data cable?

missdrew · May 27, 2021, 4:44pm

Does 'Blink' upload? Do you have ANYTHING other than the USB connected?

system · September 24, 2021, 4:45pm

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