LCD1602液晶程序，该程序包含1602的基本驱动程序，包含写命令函数和读命令函数等...

四位数码管显示的数码管用的51单片机的C语言时钟程序-Four digital display digital works 51 MCU clock C language program

一个AduC845实验板的电路图以及实验源代码-ADuC845 experiment a circuit board, as well as experimental source code

C51 用PCA 模拟串口，很有参考价值得源码-C51 with PCA serial analog, a valuable source

AT45D081/AT45DB021/AT45DB0xx驱动程序(C语言)用于大型存储的串行Flash-AT45D081/AT45DB021/AT45DB0xx Driver (C language), used in large-scale storage of Serial Flash

在单片机开发中比较常用的12864液晶屏源程序，c语言的，具有动态显示的。-e development of the more commonly used in single-chip LCD screen of the 12864 source code, c language, with a dynamic display.

单片机源程序,用于需要4*4矩阵键盘场合,汇汇编程序KEIL开发环境.-Singlechip source for 4* 4 matrix keyboard occasions, the assembler KEIL development environment.

1302 c51程序 数码管显示，秒，分，小时，日，月，年，都可设置-1302 c51 process digital tube display, seconds, minutes, hours, days, months, years, can be set up

关于sd卡２．２的协议，是sandisk的牌子-2.2 on the sd card agreement is sandisk brand

单片机实现以太网接口 有详细的原理图和代码-Realize single-chip Ethernet interface has detailed schematics and code

DDS芯片9851的驱动程序~用来产生不同频率的正弦波波形~-DDS chip driver 9851 ~ used to generate different frequencies of sinusoidal waveform ~