陈3208点显示的电子时钟，有兴趣的朋友可以自己动手做，但也有变化。

51通过CH375读写U盘的源码和原理图-51 CH375 literacy through the U-source and schematics

LUMINARY ARM的正交编码的代码-Orthogonal coding LUMINARY ARM code

本书是嵌入式系统不可缺少的工具

MCS-51单片机实用子程序库,对十进制浮点数和二进制浮点数的相互转换子程序进行了彻底改写，提高了运算精度和可靠性-MCS-51 single-chip utility subroutine library for floating point and binary floating-point decimal mutual conversion subroutine carried out a thorough rewrite, improve the computing accuracy and reliability

MSC1210单片机的一个监控程序，-MSC1210 of a monitoring program,

19264时间控制 画图功能 -19264 time control time control drawing functions draw function 19264

三个点温度进行监视；任意一个测温点大于设定温度报警提示-3-point temperature monitoring any point of a temperature greater than the set temperature alarm

使用protel99软件编辑的原理电路图，希望对各位有助于电路图的学习和开发-The use of the principle of circuit protel99 software editor, in the hope you will help the study and development of circuit

lcd12864 的串行驱动程序，于keil uvision 开发平台。-lcd12864 serial driver, in keil uvision development platform.

AT89C52的组合按键识别程序,已经调试成功-AT89C52 combination of keys identification procedures have been successfully debug