一个单片机上的sd卡驱动程序，支持fat32，fat16等文件系统，很有参考价值。...

本程序是一个人机接口程序，包含18B20,AD,DA,LCD，等各种源程序-This procedure is a man-machine interface program, including 18B20, AD, DA, LCD, and other source

用51内部定时器在Keil uVision3环境下开发的，可调时间和日期的数字钟，并用1602进行显示。-With 51 internal timer in the Keil uVision3 development environment, the time and date Adjustable digital clock, and display 1602.

次文章是介绍ad9851应用的，文章详细介绍了9851的功能和与51单片机的接法，还有c程序.-Second article is to introduce the application of the AD9851, the article introduced in detail the functions and 9851 MCU with 51 connection, there are c procedures.

hd7279的应用程序，实现了对八个二级管的控制。-hd7279 applications realize the eight diode control.

键盘与显示，按下相应的按键，数码管就显示相应的数字-The keyboard and display, press the corresponding button, digital controls, it displays the corresponding figure

用Keil　C51写的步进电机驱动程序。-A stepping motor driver program written by Keil C51.

这是我画的步进电机通用的驱动板，当然只是应用到初学者，版胡德不是很好，希望大家多多指教。-This is my painting of the stepper motor drive GM board, of course, only applied to the beginner, not a very good version of Ehud, I hope everyone exhibitions.

12864LCD的反白显示，现在大多LCD都是两行同时显示，该源码实现了单独显示。-12864LCD anti-white display, and now most LCD are two lines at the same time revealed that the source has a separate display.

1602液晶屏的使用说明手册，很实用哦，对于使用VHDL编写液晶屏驱动具有参考价值。-1602 LCD screen use the instruction manual, it is practical Oh, for the use of VHDL LCD driver with the preparation of reference value.

这是一个基于51系列单片机的超声波测距程序 解压不需要密码.-This a microcontroller based on the Series 51 Ultrasonic Ranging decompression procedures without a password.