SD卡的简单介绍，包括SD卡的分类，协议，脚位定义等。

是用AT89C2051主控音量控制PT2258,数码管显示, 红外线遥控,2.1/5.1音源选择)包括全套原理图,源程序,HEX文件-AT89C2051 is PT2258 master volume control, digital control, infra-red remote control, 2.1/5.1 sources choice), including a full set of schematics, source, the HEX file

共搜集了13个有关51单片机的一些基本程序，代码有汇编写成，内容包括计数器、温度检测等等。-collected a total of 13 of the 51 SCM some of the basic procedures, a compilation of code written, including counter, temperature measurement, and so on.

LCD1602在KEIL下调试的DLL。-LCD1602 in KEIL debugging under the DLL.

12232液晶模块的应用，该模块采用ST7920液晶控制芯片，编译菜用WinAVR2005.-12232 Application of LCD module, the module used ST7920 LCD controller chip, the compiler vegetable WinAVR2005.

基于C8051F020单片机的LCD显示程序，LCD用的是320×240屏幕，驱动芯片为SED1330，采用C51编写-C8051F020 LCD display program, using the LCD 320 x 240 screen, driver chips for SED1330, prepared using C51

P87C591的CAN通讯程序模块，可在keil下调试运行-P87C591 CAN communication process module, the debugger running under Keil

本文档收录了NE555的具体的内部电路图及555的具体的应用方式,对想了解555的初学者有很大的帮助.-This document contains the specific NE555 internal circuit 555 and the specific application, right would like to know 555 beginners a great help.

16位单片机xc164用于QH2001显示。-16 Singlechip XC164 for QH2001 show.

键盘+密码锁的设计,单片机初学者必须掌握程序,适用于proteus-Keyboard+ password lock design, microcontroller for beginners to grasp the procedures applicable to proteus

笔者的《用M8L制作的89S51单片机 USB下载线》在无线电2007年第9期已刊登过，现将制作的源码上传，供大家学习！-The author of