小四轴飞行器，以AVR为核心，MPU6050为传感器，蓝牙做数据传输，arduino为开发环境，用s手机app控制，可实现四轴的飞行，悬停-Small four-axis aircraft to AVR core, MPU6050 sensor, Bluetooth for data transmission, arduino development environment, with s mobile phone app control, can achieve four-axis fligh