自己在keil51中用C实现了一个电子钢琴展览项目，cpu用P89V51RD2，完全自己写的代码...

avr单片机的ADC差分转换程序，网上非常少的资源 -avr microcontroller ADC differential conversion program, online resources for very little

单片机的Demo，可以在单片机上演奏音乐 用汇编语言的写的

详细介绍了如何利用C51来设计ET6201 LED驱动芯片的程序，适用于DVD/CD等电子产品的显示面板

60个命令,..对初学都很有实用价值,值得参考-60 orders for the beginner .. have a great practical value, it is also useful ..............

关于嵌入式PS2键盘的原理图，基于51单片机的工控键盘。很实用，包括程序，基于Keil的软件程序-On the embedded PS2 keyboard schematics, single-chip microcomputer-based industrial control keyboard 51. Very practical, including the procedures, the software program based on the Keil

三个键盘扫描程序，一个为C编写，另两为汇编，共同学习，一起进步！-Three keyboard scanning procedures, the preparation of a C, and the other two for the compilation, together with progress!

该文件是直流电动机的开环、闭环应用的资料和程序。-DC motor open-loop, closed-loop application of the information and procedures.

ADS1110的读写程序，已经调试好的，可以放心使用。-ADS1110 for reading and writing program, has a good debugging, you can rest assured that use.

液晶显示器与单片机接口电路程序，实现液晶显示对于信号源发生信号的控制和显示-LCD and microcontroller interface circuit procedures, LCD occurred signal source for the control signal and display

Proteus VSM Nokia 3310 LCD model with test design