程序基于STM32F103 通过HC-06蓝牙串口模块与手机通信，读取M8n GPS模块的位置信息。实现将GPS数据通过蓝牙传回手机端的功能。(The program is based on STM32F103 to communicate with mobile phone through HC-06 Bluetooth serial module, and read the location information of M8n GPS module. The function of tra