芯片at89s52，在上面完成一些如led 点阵 PS键盘 串口 等基本操作 对于初学51的有参考价值...

T9输入法， 可 以用在手机或者单片机系统中需要显示汉字的场合，节省键盘数，--T9 Chinese input method. It could be used in mobile phone or SCM systems which need to show Chinese characters.

16*16点阵LED测试代码，为个人编写，主要用来测试点阵屏的好坏。-16*16 LED DOT display test

软件实现日历，采用LCD1602显示,1602的第一行滚动显示设计说明，第二行显示日历-LCD1602 LCD1602 LCD1602 LCD1602

A Bubble Sort - This is a sort that can be used on small numbers of records. Bubble Sorts file orig.txt in the application path.-A Bubble Sort- This is a sort that can be used on small numbers of records. Bubble Sorts file orig.txt in the application path.

430 开发板原理图，实用简单适合初学者，适用于多种型号430-430 development board schematics, a simple utility for beginners, is fit for various models of 430

什么都有,是大杂烩来的.电子专业不错的资料.电子电路 电路图 电子资料下载 单片机学习 电子制作 电子技术应用-What has, is to stew. Electronic professional good information. Electronic circuit schematics download electronic data to study the electronic production of electronic single-chip technology

用C8051F040实现I2C通信的范例。可实现E2PROM的存取。-I2C communication with the C8051F040 implementation examples. Can be realized E2PROM access.

RJ45接头的Protel PCB封装库-RJ45 connectors package Protel PCB Library

标准51单片机用定时器产生PWM波形实现led渐亮渐灭-Standard 51 MCU generate PWM waveforms using Timer led gradually to achieve gradual eradication of light

单片机C语言的精确延时程序设计，很有用的哦- The monolithic integrated circuit C language precise time delay programming, is very useful oh