Anything connected to the yellow (?) connector next to the reset button on the Braccio? That can possibly interfere with the uploads.
Do you have motors connected? If so, how do you power the Braccio?
Anything connected to the yellow (?) connector next to the reset button on the Braccio? That can possibly interfere with the uploads.
Do you have motors connected? If so, how do you power the Braccio?