"SOLD"

"I have used the Quanum i8 transmitter and companion receiver from Hobbyking with the Pixhawk. The system is reasonably priced. See the following link.
http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?idproduct=..."

"An additional search reveals you are correct. Receiver is PWM only."

"The write-up says the receiver is PPM compatible."

"It appears this system should work but I have no experience with this particular combo."

"The controller is a radio transmitter that sends signals to a PPM or SBus receiver. If either type of receiver is used, you do not need a PPM encoder. A PPM receiver plugs into the RC IN port. An SBus receiver plugs into the SBUS port on the…"

"The PPM receiver interprets the controller radio commands (throttle, pitch, yaw and roll) to control the individual ESCs which in turn provide the correct voltage to the corresponding motor.
This is illustrated on the right hand side of the Pixhawk…"

"The telemetry system transmitter provides flight data to Mission Planner (for example) via the ground receiver.

You will need an on-board receiver to actually control the hexacopter. The FrSky D4R-II is a PPM receiver that costs about $25.

I use…"

"Have you selected a receiver and controller?"

"Extra propellers and battery."