SBUS pin on FSI6X?

[FRPProject]

Do you know which is the pin that outputs SBUS on FSI6X? is it PA9? I am trying to use SBUS pin on the FSI6X board for my external module. Thank you.

[ajjjjjjjj]

It's not implemented currently as no one of us have SBUS module. This functionality is waiting for volunteers.

[ajjjjjjjj]

Check those RX and TX pins on unpopulated module on the right side of PCB. Don't know which of the gpios are connected. You may want to try to figure it out with multimeter and then check in datasheet what is possible on those pins.

[dgehriger]

@ajjjjjjjj / @FRPProject : did you make progress on implementing serial communication with an external RF module? If not, what are your current conclusions (which serial pin to use, ...)?

[FRPProject]

No I didn't make much progress, I decided to get ELRS module.

[ajjjjjjjj]

@dgehriger you can use any serial available on the board, maybe reuse TX2 pad - same as CRSF.

[dgehriger]

@ajjjjjjjj Thanks! Just to clear up some confusion on my side: the multi protocol module doesn't expose a full serial (rx/tx) but a "smart serial" using half duplex? Correct ?