"Its working now however the data does not show up as coming in over A2. A2 is all zeros in my telemetry setup screen.
What shows up Under A1 in the telemetry setup screen is the voltage the Receiver sees (in my case X8R) which is 3.x volts.
I set up…"

"It took while but I finally found docs showing the Inner pin (farthest from edge of APM) on the telemetry port is #1. I have everything wired up i believe correctly now. I have successfully downloaded the code into the teensy3.1.  But when I power…"

"I am having the same problem I see the pin numbers but have not been able to find a doc that maps out the telemetry port on the APM.  Which is pin 1 the outside pin (closest to the edge of the APM or the inside pin?

Thanks"