ARM程序，2*2键盘功能，程序可扩展成3*3或4*4的键盘，在LPC2103上测试成功。...

i2c总线协议，很好的协议-i2c bus protocol, good deal

采用单片机控制PDIUSBD12芯片，实现按键功能的示例-PDIUSBD12 single-chip computer control chip, the realization of key examples of functional

一个简单的计算器是如何写的，单片机可以做很多智能东西，学习着可以发挥自己的想想，自己动手做一做。-A simple calculator is how to write, single-chip microcomputer can be a lot of smart things to do, learning to play with their own think about to do one to do it yourself.

用电子警察上面，在汽车有违章是 可以把他给抓拍下来-electronic above, the car can be a violation him down to snapper

程序资料共享 希望大家共同进步 共同努力 加油 ！-Procedures for the sharing of information would like the common progress of the joint efforts of U.S. refueling!

键盘程序。主要实现按一个键就在数码管上显示相应的数。本程序中，数码管是带地址的！ 主要子程序是键盘扫描程序！ 下面英文用工具译的！用的软件是keil-Keyboard procedures. The main achievement of the press of a button on the control in the digital display the corresponding number. This procedure, the digital control is intended to bring the address! The main subroutine is the keyboard scanning process! The following translation tools in English!

电子书籍，《单片机的C语言应用程序设计》，很不错的。-electronic books, "SCM C language application design" very good.

LED动态扫描.采用74164做为显示数据输出,使I/O口减少至两个,并且可做为驱动,是小系统LED显示的最佳方法-LED dynamic scanning. Using 74,164 as output data show that, I/O port reduced to two, but also to drive, is a small LED display system the best way

LPC2103,GPIO端口编译程序，很好用，IAR环境下-LPC2103, GPIO port compiler, very good use, IAR environment

PIC单片机的几个设计实例,不可多得！-PIC several design examples, rare!