/technologies/robotics/b/blog/posts/buidling-a-quadcopter-part-4Prelude The road more travelled 1. ArduPilot 2. DJI NAZA 3. OpenPilot CC3D 4. NAZE32 5. KK2.1 6. KKMulticontroller 7. MultiWii About a RC Transmitter and receiver Using the CC3D Calibration of the CC3D and testingen-USTelligent Community 12