电子图书《华中理工大学出的C51教材》，很不错的。

通过对红外线工作原理的了解，进行红外线的C语言编程-SDFSFSFS

keil C51 Safter－Switch事例-keil C51 Safter-Switch case

文件中包括：串口通讯程序，以及两个单片机通过串口通讯的程序。-Document include: serial port communication program, as well as two single-chip serial communication through the process.

程序代码说明 P0401：用Prewitt算子检测图像的边缘 P0402：用不同σ值的LoG算子检测图像的边缘 P0403：用Canny算子检测图像的边缘 P0404：图像的阈值分割 P0405：用水线阈值法分割图像 P0406：对矩阵进行四叉树分解 P0407：将图像分为文字和非文字的两个类别 P0408：形态学梯度检测二值图像的边缘 P0409：形态学实例――从PCB图像中删除所有电流线，仅保留芯片对象-code P0401 Note : Prewitt operator to detect the edges in the image P0402 : different values of Getting operator to detect the edges in the image P0403 : Canny operator to detect the edges in the image P0404 : image thresholding segmentation P0405 : water line threshold method image segmentation P0406 : matrix Quadtree P0407 : images into text and non-text of the two categories P0408 : morphological gradient detection Binary Image Edge P0409 : morphology example-- Images from the PCB to remove all current lines, retaining only chip targets

zlg7289是一款很好的键盘驱动芯片，本程序用msp430单片机驱动。-zlg7289 is a very good keyboard driver IC, the procedure used MSP430 Singlechip drive.

本程序是点对点通信程序,实现双机或多机通信.-This procedure is a point-to-point communication program, the realization of two-plane or multi-machine communication.

对于单片机系统中有关于中文输入的场合,这是一个很令人头疼的事情,这个程序可以对开发者有很大的帮助,甚至在此基础上编出更好的代码-for SCM System on the importation of Chinese occasions, this is a very vexing issues, This procedure can developers be very helpful, even on this basis write better code

51单片机，利用扬声器产生救护车声音的效果。-51 Single-chip, using loudspeakers produce sound effects of the ambulance.

一个电容计的51源代码，我自己参加电子设计大赛使用的。-a capacitance of 51 source code, I participate in the electronic design competition to use.

DS1302+DS18B20+无线遥控应用程序-DS1302+ DS18B20+ wireless remote control applications