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

这是用来读写DALLAS12C887的程序模块，-This is the procedure used to read and write DALLAS12C887 modules,

PROTEL 99SE快速入门指南，是初学者的良师益友。-PROTEL 99SE Quick Start Guide is a mentor for beginners.

s3c44b0x和ch375读写U盘程序-s3c44b0x ch375 and U disk read and write procedures

基于单片机用软件实现直流电机PWM 调速系统-Realize single-chip software-based DC motor PWM speed control system

protel99se的十来个元器件库文件。希望对大家画图的时候能起到帮助。-Protel99SE library file of a dozen components. Wish to draw a time when everyone can help.

keil C51 LCD 驱动源码,其中还有I2C驱动,ADC驱动,键盘操作等,是一个完整的keil源代码,供大家参考-Keil C51 LCD driver source code, which also drives I2C, ADC drive, keyboard operation, is a complete source code Keil, for your reference

定时器中断实验代码， 定时器3进行0.1秒定时，每0.5秒改变一次P2,P3口的值以产生走马灯效果。-timer interruption experimental code, three timers for 0.1 seconds regularly, every 0.5 seconds to change a P2, P3 to the values I have merry-go-round effect.

avr 128 详细中文资料，很不错的噢-avr 128 detailed Chinese data, it is good Oh

做好的基于arm的lcd 的驱动程序，为毕业设计的一部分-Do a good job based on the arm of the lcd driver for the graduate part of the design