51 单片机的经常用到的子函数，非常具有参考价值。

基于华邦W925E/C240所开发的短信话机、来电显示的C语言源程序-Based on Winbond W925E/C240 developed by phone message, caller ID of the C language source code

这是isd4004的中文资料，里面讲述了其与单片机控制原理和机制-This is the Chinese isd4004 information, which describes its relationship with single-chip control theory and mechanisms

自己写的12864驱动程序，在MCS―51上调试过，我认为不错-Wrote it myself, 12864 drivers, increase in the MCS-51 tried, I think it is true

SD卡资料大全，在网上找了好久的，供大家开发SD卡查询。-SD card Sourcebook, the Internet looking for a long time, and for all to develop SD card queries.

keil c51使用手册中文讲解-Keil decoder manual on Chinese

这是一个基于C语言的单片机的步进电机的程序。它是通过改变相位来调节电机的旋转速度-This is a microcontroller based on the C language, stepper motor programs. It is by changing the phase to regulate the motor rotation speed

单片机计数器程序。-counter SCM procedures.

实现I2C终线的功能，24C64的I2C的总工会系啊-I2C to achieve the function of the end line, 24C64, Department of Trade Unions of the I2C ah

用51写的旋转式编码器程序，可以让朋友们了解旋转式编码器的基础编程。-Written by 51 rotary encoder could offer my friends understand the rotary encoder based on programming.

详细介绍了AD7490的性能和参数，对用AD7490来开发定位系统的工作是很有作用的。-AD7490 detailed performance and parameters of the AD7490 used to develop the work positioning system is very effect.