... easily observe the PID parameters, flight control signal input / output status, sensor / switch-state, as well as aircraft attitude ... OSD module, LCD liquid crystal module, Bluetooth module, the data transmission module, GPS module, satellite receiver, 3-axis head ... 13.5g·SMD component design with atmega328P·ITG3205 TRIPLE AXIS GYRO, ADXL345 ACCELEROMETER·Design with servo output for Camera Pitch and ...