I'm really hoping i'm not double posting but i have been looking around and have not found the answer. I have the Arduino Uno, and it communicates to the USB via COM port 3. however I'm trying to use auto IT in order to send and receive data from the unit. The format of the data I send is not important, string would probably be the easiest. However I can't find any information on how to communicate over COM port 3. If anybody has a snippet of code, or can point me in the right direction it would be appreciated.
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