在AVR上实现USB的功能，是模拟出的USB

freescale hc12_A512例程-Freescale hc12_A512 routines

用C语言写的HT1621的驱动程序，非常好的实例。-C language to write the HT1621 the driver, a very good example.

一个万能学习型红外遥控模块的程序，可学习各种类型的红外码，可作为智能家居系统中的一个控制模块。-A universal infrared remote control module learning process can learn all types of infrared codes can be used as a smart home system control module.

单片机无线串行接口-wireless microcontroller serial interface

用at89s52访问MAX7219(LED数码显示）-AT89S52 visit with MAX7219 (LED digital display)

用５１单片机读取ＣＦ卡的程序。对许多项目有参考价值-51 microcontroller with CF card reader procedures. Many of the projects to be a valuable reference

DS1302实时实钟avr单片机控制程序-DS1302 real-time clock control procedures avr Singlechip

线性光耦合器的简单介绍。-linear optocoupler brief.

CS5532初始化代码，描述了配置寄存器、通道设置寄存器的C实现-CS5532 initialization code, describes the configuration register, the register set up the channel to achieve C

基于DS18B20的温度计，用C51编程 时钟控制的很精确，调试成功的程序，没有问题，可以很方便的移植-Based on the thermometer DS18B20 with C51 programming clock control is very accurate, debugging successful procedures, there is no problem, you can easily transplant