what are your symptoms - hangup, no data, garbled data? Is the board compatible with 3.3 volt logic on Due?. Are you connected to rx1 and tx1 and you have rx of board to tx of due and visa versa?
what are your symptoms - hangup, no data, garbled data? Is the board compatible with 3.3 volt logic on Due?. Are you connected to rx1 and tx1 and you have rx of board to tx of due and visa versa?