Description: http://DIY%20quadrocopter%20software%20hardware%20development%20using%20STM32F%20and%20MPU9250%20motion%20sensor
stm32 (74) quaternions (8) stm32f4 (4) madgwick (2) mpu9250 (1) %20brushless (1) %20motor (1) %20controller (1) %20pid (1) http://bldc