diydrones/ardupilot — pull request #1663 by samsonact (2014-12-04 11:39:49+00:00)
Title: sbus1_output

Provide a way to turn on the px4io sbus1_out. PX4Firmware now has pulled the upstream support for sbus1 output.

I'm flying this with the pending ArduPlane beta compiled with the current PX4Firmware version.