该资料详细介绍了基于STM32单片机的GPS定位的相关知识，采用GPS定位模块。资料提供了例程，可以方面读者学习。-The information detailed knowledge of the STM32 microcontroller-based GPS positioning using GPS positioning module. The information provided routines, you can regard the reader to learn.

基于ARM11单片机的嵌入式LinuxGPRS测试例程，为用户提供相关应用的参考。-Embedded LinuxGPRS test routines based on ARM11 single chip microcomputer, provide application reference for users.

stm32f103单片机modbus485通讯例程，原创代码-STM32F103 microcontroller modbus485 communication routines, the original code