Description
This is the blank PCB to build the custom designed 4 band decode board for the Portsdown transmitter. Note this is for the blank PCB ONLY.
The simple design which takes the 2 pin GPIO band switch signals to provide 4 outputs which can be set per band in the Portsdown software.
For full details see https://wiki.batc.org.uk/PTT_and_band_switching
