powerday KK2.1.5 LCD Flight Control Board V1.9S for RC Multi-Rotor Drone Flying Wing X525

* The KK2.1.5 Multi-Rotor controller is a flight control board for multi-rotor aircraft (Tricopters, Quadcopters, Hexcopters etc). Its purpose is to stabilize the aircraft during flight. To do this it takes the signal from the 6050MPU gyro/acc...