I am using an Uno and would like to know if there is a way to upload to the Uno via standard serial ports and not USB. the reason is I have several of theses scattered about and everytime i need to update them i have to go to the UNo bring to computer and upload, I already hace serial communication to all my Unos and it would make updateing them all alot easier, cahnge serail port hit upload change serial port hit upload and i could probably do as a batch file changeing the serial ports right now i have com10-com35 with unos on them
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