31-12-2022, 01:35
From the symptoms you said, try to remove the TX board, check if there isn't any bad contact between the Nano and the socket and try to reprogram it again.
The TX Led and the transmitter board are driven by two independent pins, as both seem to not be working thus my suggestion.
The TX Led and the transmitter board are driven by two independent pins, as both seem to not be working thus my suggestion.