这个代码是用8989C51和12887开发的。

本文件是用51单片机设计电子琴的资料文件，且带有原理图-The present document is a single-chip design with 51 information paper flower, and a schematic diagram

步进电机控制程序，已测，绝对好用！大家来下载-Stepper motor control procedures have been measured, the absolute ease of use! U.S. to download

AVR学习心得体会-AVR study experiences

悠景2.7寸OLED演示代码，可以在DEMO板上测试-Univision 2.7-inch OLED demo code, you can test at the DEMO board

这是本人做的一个仿真软件的例子，keil c51语言写的，编译调试环境为keil7+proteus67sp3-This is the one I do simulation software examples keil c51 language was written. Debugging Environment compiler for keil7 proteus67sp3

研究所积累的资料2,大家秘密使用,千万别告诉别人!-2 Institute of accumulated data, we use a secret, please do not tell others!

此为一温度自动控制系统，并用LCD（1602）进行显示-This is the one automatic temperature control systems, and LCD (1602) display

51控制STA013实现MP3音频解码，实现了STA013的初始化、音量调节、静音、音质设置、声道控制。同时包含通过RS232串口控制LCD实现同步显示。代码经过调试，运行通过。

单片机C8051F221读取DS18B20温度值，温度显示在液晶屏屏LCM046上，单片机根据温度值来控制风扇的关和开。-C8051F221 Singlechip DS18B20 read temperature value, temperature displayed on the LCD screen LCM046, the single-chip microcomputer according to the temperature value to control the fan and open relationship.

pid算法的源程序，这个程序很不错，是入门的很好帮助-pid algorithm source code, this procedure is pretty good, is a good entry-help