本程序可实现，四个16*16级联LED点阵的汉字循环左移显示。

介绍了单片机的编程软件KEIL 51的应用技巧-introduced a microcontroller programming software KEIL 51 application skills

数字电压表是ＳＴＣ单片机控制，四挡开关，０－１００Ｖ电压-Digital voltage meter is a single-chip control of STC,四挡switch ,0-100V voltage

51+sl811读写U盘的源程序＋原理图。想用51完成U盘读写的网友可参考参考。-51 sl811 reader of the source disk U+ diagram. With 51 to complete U-reader may refer to the website reference.

汇编语言写的，支持读取wav并将波形显示在屏幕上，是自己多年以前的一个课程设计的作业程序，希望对朋友有所帮助-compilation of the written language, and will support wav read waveform display on the screen of their own years ago a curriculum design of the process, and I hope to help a friend

使用软件模拟Ｉ２Ｃ与ＥＥＰＲＯＭ通讯的子程序-use of software simulation I2C EEPROM communications with the subroutine

数字示波器全部的原理图以及PCB图，一共包括多个文件，希望大家喜欢-Digital oscilloscope, as well as all of the PCB schematic diagram, including a total of more than one file, I hope you like

pic控制的led灯的循环点亮模式，八个LED，高电平点亮，可用于I/O口及其它信号状态的观测。-pic control led cycle lights lit mode, eight LED, high light, can be used for I/O signal state of the mouth and other observations.

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

红外传输程序，单片机at90s8515,红外编解码芯片max31-communicate by infraed ray

FAT的C语言原代码,没有底层驱动,支持打开文件,读写文件,不支持长文件名.-FAT C language source code, there is no bottom-driven support to open the document, read and write documents, do not support long file names.