Quadcopter DIY NRF24l01 2.4ghz RC and a flight controller

Hello all,
My quadcopter project with custom 2.4Ghz remote control and flight controller.
Based on PIC18F4331 , NRF24l01+ , PCA9685 and 9DOF IMU.
In the video i will give some Introduction to system architecture with block diagrams.
Now working on the control software and aluminum frame.