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  • Look at the last lines of the output, and do what it says Double check connections and try again, also it would be preferable to not connect anything to certain pins on your board. Please add your code used. Commented May 12, 2021 at 6:21
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    The code is a simple serial sketch. Also, I am not connecting anything to the chip. Commented May 12, 2021 at 18:29
  • Answers should be posted as answers, not as part of the question :) Glad you worked it out, though. Unrelated, but there's no way to understand what your setup is from that picture. Consider using Fritzing or even a hand-drawn schematic instead. I just see a fuzzy pile of wires and a chip in a breadboard. Commented May 17, 2021 at 1:40