用单片机和数码管，构成数字时钟。可以设定时间和闹钟。

SD卡资料大全，在网上找了好久的，供大家开发SD卡查询。-SD card Sourcebook, the Internet looking for a long time, and for all to develop SD card queries.

用增强型单片机51RD2做的控制器，功能包括驱动320*620的LCD，AD/DA采集，键盘采集，微型打印机接口，多CPU通信，ISP在线远程下载等。-with enhanced microcontroller 51RD2 do controller, Driver features include 320* 620 LCD, AD/DA acquisition, keyboard acquisition, micro-printer interface, Multi-CPU communications, remote ISP online downloads.

适合初学c55者的几个扩展定点数运算例子-suitable for the novice c55 several expansion of the fixed points Operational example

s3c9454 battery balance program

C51程序，标把控制器的完整得到程序。已经用在产品上。包括定时器的使用，步进电机的控制技巧。-C51 procedures, the S controller put the integrity of procedures. Already used in products. Timer including the use of the stepper motor control skills.

这是基于ATMEL89S51上的一个电子时钟源代码程序,有相当完美的注释解说,希望对大家有所帮助.-This is based on the ATMEL89S51 on an electronic clock source code for the procedure, quite a perfect footnote to explain, and they hope to be helpful to everyone.

一个简单的计算器是如何写的，单片机可以做很多智能东西，学习着可以发挥自己的想想，自己动手做一做。-A simple calculator is how to write, single-chip microcomputer can be a lot of smart things to do, learning to play with their own think about to do one to do it yourself.

这是一个有关于MCS51单片机的全部指令。不错的。是我总结的。

51单片机低功耗地温检测的上位机软件 通过串口读取单片机ROM存储的温度数据并具有画出图象、记录测试时间、保存为文档保存等功能-51 Single-chip low-power ground temperature detection of PC software to read through the serial port single-chip temperature data stored in ROM and have painted images, records, testing time, save it as a document preservation and other functions

LCD的工作原理，包括LCD的液态晶体介绍，扫描技术，显示模块等等！-LCD working principle, including the LCD liquid crystal, the scanning technology, display modules and so on!