Buy DIY multiwii Flight controller at best price for Drones | Xbotics
Direction_Control using KK flight controller & Arduino - Hackster.io
Build ESP8266 Flight Controller For Drone – DIY Projects Lab
Amazon.fr - Make your Arduino Quadcopter Drone from Scratch: Choice of components, Construction of the frame, Electrical and electronic wiring, Programming in Arduino language of the flight controller - CHAU-HUU, Olivier, CHAU-HUU,