RC module (research)

Finding a compatible RC module for this project. Most RC modules are single way where only intruction digital signals are sent from the transmitter to the reciever.

However out quadcopter needs a feedback signal from the quadcopter to utilise its gps function. Therefore the RC module must be 2 way.

After some investigation, the frysky DF RC module seems to fit the project requirements. It has a forward 8 channel digital signal transmitter which feedbacks in serial signal.