If they were to change any of the pcb traces, that would be a new revision. So each revision of each board is identical.
Then again, the board name should change if you make functional changes, and the uno r3 definitely made those
If they were to change any of the pcb traces, that would be a new revision. So each revision of each board is identical.
Then again, the board name should change if you make functional changes, and the uno r3 definitely made those