Not read everything but you seem to be Missing the begin() for mySerial
i would not mess up with listen() at all and remove that part because they seem to be separated and not listening/receiving (hopefully) at the same time.
Not read everything but you seem to be Missing the begin() for mySerial
i would not mess up with listen() at all and remove that part because they seem to be separated and not listening/receiving (hopefully) at the same time.