已经调试成功的程序，在CVAVR中实现的。

PS2扩展功能，解决单片机输入资源太少的问题，可以通过普通键盘想单片机发送数据-PS2 extensions to address the importation of too few resources Singlechip problems, they can be accessed through the regular keyboard would like to send data Singlechip

单片机音乐 用于播放简单的音乐 实现音乐盒功能-Singlechip music used to play simple music box music to achieve functional

利用Philips单片机P87LPC764编写的IC卡程序，其中有对IC卡操作及I2C操作的程序模块-use Philips P87LPC764 SCM prepared by the IC card procedures, which are the IC card operation and operational procedures I2C module

有关74hc080的一些相关资料，希望可以帮助大家，它多用于IC卡读取了！-74hc080 some of the relevant information, I hope can help everyone, it used the IC card reader!

定时器中断实验代码， 定时器3进行0.1秒定时，每0.5秒改变一次P2,P3口的值以产生走马灯效果。-timer interruption experimental code, three timers for 0.1 seconds regularly, every 0.5 seconds to change a P2, P3 to the values I have merry-go-round effect.

此程序是用于AVR单片机驱动FLASH的,对于用AVR单片机进行开发的朋友,提供了一个例程,还有对于对使用FLASH没有经验的朋友也有很好参考价值-this procedure is used AVR Flash Drive, AVR for use for the development of a friend, provides a routine, There FLASH for the right to use the lack of experience has become a good friend reference value

I2C串行总线元器件标准驱动程序的编写，可自己定义串行时钟线和串行数据线所在口-I2C serial bus driver standard components of the preparation, may own definition serial clock line and serial data line I

基于MCS－51系列的AT89C2051的典型应用，源码-Based on MCS-51 series of AT89C2051 typical applications, source code

单片机矩阵键盘扫描程序，已经做成了头文件，非常好用-MCU matrix keyboard scanning process, has made a header file, very easy to use

可驱动8/16位数码管显示或64/128只独立LED 的芯片BC72811A中断编程。BC7281A只占用单片机3个I/O口-can drive 8/16 Digital Display or 64/128 only independent LED chip BC72811A interrupted programming. BC7281A only occupies three microcontroller I/O port