The fail safe program has been uploaded into the microcontroller by Jordi before he ships the item.
It will be posted Here if there is any update (then u need an avr programmer to upload the latest code)
Sorry that on my last reply, I missed…"
"Can I assume that the SPI48 and AT48 connectors work independently? SPI48 uses XTAL1 and XTAL2 on top of TSCK, TMISO and TMOSI but with no VCC input. AT48 uses TSCK, TMISO and TMOSI with VCC, GND and TRESET."
Can refer to the circuit diagramFailsafe Mux
Pin 1A, 2A... is one group and Pin1B, 2B....is another group
for example, u assign group A for input from rc receiver, then ur group B will needed to be connected to autopilot platform/another rc…"