MCP4725

基于stm32的开关电源，采用PID算法，包含整个工程！(Based on stm32 switching power supply, using PID algorithm, including the entire project!)

说明：  嵌入式系统设计与开发实例详解－－基于ARM的应用（采用ARM7TDMI内核的、三星公司推出的S3C44B0X） 第一部分包含：ADCtest,ARPscan,ColorLCDtest,EINTtest,Ethernet,FAT16test,Flashtest,guiHelloworld.(Embedded System Design and Development example explanation-- ARM-based applications (using ARM7TDMI within nuclear, the company launched S3C44B0X) The first part includes : ADCtest. ARPscan, ColorLCDtest, EINTtest, Ethernet, FAT16test, Flashtest, guiHelloworld.)

简易的计算器，可以计算简单的加减乘除，仅支持一位精度的小数点运算，并在Proteus中仿真(Clean Calculator Beta)

基于STM32串口的DMA双缓存收发的C实现源码(Based on STM32 serial DMA double buffering received and implemented in C source code)

基于STM32平台，自创的原代码，I2C与EEPROM通信，很好用(Based on the STM32 platform, create their own source code, I2C communication with the EEPROM, very good use)

MAX30100驱动程序源码，适用于STM32F4.(MAX30100 driver,and it can apply to STM32F4)

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.)

机车辅机测试程序，通过单片机对机车辅助机组进行功能测试的程序(test program for auxiliary motors of locomotive)

Freescale飞思卡尔最新S12X系列16位单片机的一个例子程序，演示了如何使用XGATE协处理器处理中断。教程来自邵(Freescale Freescale S12X family of the latest single-chip microcomputer 16 an example of procedures, demonstration of how to use the XGATE coprocessor to deal with interruptions. Tutorial from Shao)

说明：  AVR单片机控制DA芯片TLC5615，输出正玄波(AVR microcontroller controls Da chip TLC5615 to output sine wave)