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Topic: An error occurred while uploading the sketch. (Read 218244 times) previous topic - next topic



If you are on a windows OS and can only see COM 1 then the first place to start is with drivers as you would expect an Arduino to show COM 3 or above as 1 & 2 are reserved for internal windows usage.

A picture of you board (in focus) might also help here or a direct link to where you got it.

It may not be the answer you were looking for but its the one I am giving based on either experience, educated guess, google (who would have thunk it ! ) or the fact that you gave nothing to go with in the first place so I used my wonky crystal ball.

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