I apologize if this is a dumb question as I am new to arduino, but I can't get any sketches to upload to my arduino uno. I just got it to prototype a few projects I'm working on and hooked it up to a neopixel strip to play around with it. I managed to get a few beginner sketches to work, but when I …

Arduino Uno 328 Won't Upload "Mismatch Error"

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