system can achieve minigui PDA mobile phone functions, messaging, entertainment...

这是本人大三时做的一个比赛项目，做了一个门禁系统——智能门。此门遇人自动打开，晚上需要正确的密码才能打开等等，文件中有关于们的介绍，完整的报告和完整可用的几千行C代码，和非常详细的程序注释，肯定看得懂的

键盘的源码的程序，了解键盘编程的方法，键盘测试程序-Keyboard source procedures, understanding of the keyboard programming methods, testing procedures keyboard

本人搜集的许多C51及KeilC使用方面的文章，现放在一起上载，大部分网上搜到的文档不出其中了！--Many articles about learning C51 and using KeilC. I collected them from web.

锂电池 充电保护板 原理图及PCB图 protel99se 格式 珍藏板 已在工程实际用应用-Rechargeable lithium battery protection board and the PCB schematic diagram protel99se collection plate format has been used in engineering applications

Example of use an TC6963 graphic lcd for Rabbit core.

21IC ebook系列之《嵌入式实时操作系统教材》.rar -21IC ebook series, "Real-time embedded operating system materials." Rar

PWM输出实验，熟悉PWDM模块的基本原理及应用，使用PWDM6输出一个固定占空比的单边沿控制PWM信号，通过滤波电路实现DAC转换 EasyARM2200 平台，ADS1.2开发环境-PWM output experiment, familiar with the basic principles of PWDM modules and applications, the use of a fixed duty cycle output PWDM6 single-edge PWM control signal, through the filter circuit EasyARM2200 realize DAC conversion platform, ADS1.2 Development Environment

基于IPPP嵌入式音频解码器的设计与优化-IPPP-based embedded audio decoder design and optimization

Main source code to SPCE061A chips

basicusb(演示USB设备基本操作的程序源代码)-basicusb (demo USB devices basic operation of the program source code)