AD9854

采用stm32内部TIM编程 实现对输入信号的计数测频 可测0HZ—65536HZ的频率(TIM programming using the internal stm32 Count the input signal to achieve frequency measurement Can be measured 0HZ-65536HZ frequency)

在stm32上可以点亮流水灯,可以帮助你对stm32的固件库和外设有所了解(it could run on the stm32)

RS422编程，单片机的源码RS422编程，单片机的源码，环境MDK。(RS422 programming, microcontroller source)

说明：  FM1702射频芯片读写操作,主要用于IC卡读写操作(FM1702 RF chip to read and write operations)

用STM32写的ADS8509的驱动,究竟调试完全通过。(Written with STM32 ADS8509 driver)

S3C2440 TEST PROGRAMM

这是应用于 windows ce 4.2平台上串口接受的程序，我已经实践过，好用，也可以根据它修改出发送程序(This is used in windows ce 4.2 platform serial port to accept the procedure, I had already been put into practice, use can also be sent out according to its modified procedures)

ARM公司以及ARM芯片的现状和发展，从应用的角度介绍了ARM芯片的选择方法，并介绍了具有多芯核结构的ARM芯片。列举了目前的主要ARM芯片供应商，其产品以及应用领域。举例说明了几种嵌入式产品最佳ARM芯片选择方案。(ARM ARM chip companies and the current situation and development, from the application point of view on the ARM chip selection method, and describes the structure of multi-core ARM core chip. Lists the current main ARM chip suppliers, their products and applications. Several examples of the best ARM chip embedded options.)

STM32 DS18B20实验C,用于STM32系列单片机读写DS18B20，已调试通过。(STM32 DS18B20 experiment C, for the STM32 microcontroller to read and write DS18B20, has been through debugging.)

以LPC2138为基础的防火防盗报警显示系统。(LPC2138-based fire burglar alarm display system.)