报警测试程序，用于测试设备中的报警信息，进行和用户之间的显示和对话操作。

89s52+8255a控制一组指示灯循环发光-89s52+8255 a control cycle of a group of light emitting

实现测试一台计算机的IP地址，是一个很好的测试IP地址的程序啊-Achieve the test of a computer IP address is a good test IP address of the program ah

AT90CAN128的CAN通信源码测试成功-Source of the CAN communication AT90CAN128 Successful Test

sd2000系列实时时钟芯片应用说明及开发应用程序。-sd2000 serial real-time clock chip application and development applications.

51单片机流水灯 可以实现多种闪光功能-51 single-chip can achieve a variety of water flashing lights function

用一片ARM芯片，对电网中的谐波信号进行采集，然后通过GPRS发送给上位机，上位机对采集到的电网中的谐波信号进行分析。以确定电网中谐波的情况。-With an ARM chip, the harmonics of the grid signal acquisition, and then sent to the GPRS PC, PC to the power grid of the collection of harmonic signal analysis. To determine the grid in the case of harmonic.

这是一个很好的学习工程，对于初学都是一个难得的好资料，完整！-This is a good learning project for the beginner is a rare good information, complete!

pid控制的源程序，很不错的，请大家注意关注啊-pid control source, it is good, draw attention to concerns ah

dmx512通讯程序,可以接收dmx512格式的数据-dmx512 communication procedures, can receive the data format dmx512

一组实用的C51源代码,不是我作的,在网站上载下来的,也许对大家有用,感谢作者-a group of practical C51 source code, I am not for the website, in the set down, perhaps useful for all, to thank the author