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Topic: cant upload sketch to uno (Read 30 times) previous topic - next topic



Im using an uno, cos its all i have.  Also i am on windows 10.  Before i upgraded to windows 10 i never had an issue but now i cant seem to upload sketches.  I just get this error

Code: [Select]
Arduino: 1.6.5 (Windows 8.1), Board: "Arduino/Genuino Uno"

         Using Port                    : COM3

         Using Programmer        : arduino

         Overriding Baud Rate     : 115200

avrdude: ser_open(): can't open device "\\.\COM3": The semaphore timeout period has expired.

avrdude done.  Thank you.

Problem uploading to board.  See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.

Any idea whats going on?


Did u install the Uno driver?

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