Bernard f6bvp / ai7bg
When PTT is acting you should see red LED lighting on the side of activated connector either din-6 or hd15 of UDRC board. To check transmit you can use pbeacon on either channels like in sample direwolf.conf file.
Your config for PTT is gpio 23 is for din/6 (default channel or port 1).
If your wiring is on din-6 this is channel 1 ! As your config is setting channel 0 you are expecting audio input and output on hd-15 connector.
73 de Bernard f6bvp
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