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questions with no upvoted or accepted answers
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Arduino Uno no longer allowing me to upload my sketch
I’m trying to upload my sketch to my Arduino Uno but get the following error message:
avrdude verification error content mismatch.
Does anyone know what this means and what I need to do to fix this ...
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votes
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answer
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Arduino IDE changes Com Port from 3 to 5 - why?
Have Arduino IDE 1.8.1 set up on Com Port 3. Works fine with Adafruit Uno board. Plug in another Adafruit Uno Arduino board, that does not work properly, and IDE changes Com Port 3 to Com Port 5. Why,...
