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Topic: I cant upload my sketch (Read 327 times) previous topic - next topic


I have an ardrino uno with all the drivers properly insalled and selected on win 10 and keep gettin the error message
avrdude: ser_open(): can't set com-state for "\\.\COM3"
An error occurred while uploading the sketch


It may not be the answer you were looking for but its the one I am giving based on either experience, educated guess, google 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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