采集手机的加速计，陀螺仪，磁力计等数据，并保存到sd卡。并且加入了AHRS姿态算法，能显示姿态角。具体需要保存的传感器参数可以自己选择。我都已经写好了。-An acquisition of mobile phone gyroscopes, magnetometers and other data, and saved to SD card. And joined the AHRS attitude algorithm, can display the attitude angle. Specif

智能手机加速度传感器数据采集，并保存到txt中(Smart phone acceleration sensor data acquisition, and stored in TXT)