电脑和西门子 s7300 系列可编程控制器之间数据控制及数据采集的程序...

IPdianhua xuexi.电话，学习系统。-IP telephone system. telephone study system.

多线程串口程-multithread serial way

ITU SS7 AIF message format and codes part 3

用S60操作系统SDK开发NOKIA手机应用程序-范例HelloWorld分析-S60 operating system to use SDK to develop mobile applications NOKIA- HelloWorld Example Analysis

建立管道服务器、客户端实现双向通信，消息实行队列机制。

一个通过VC MSCOMM控件实现的，串口通讯程序，适合学习串口通讯的基本知识~-Through the control of a VC MSCOMM realize and serial communication program for learning basic knowledge of serial communication ~

端口专家是一个优秀的端口（串口、并口）监视、调试程序，有以下基本功能： 1.能动态设置各种通讯速率、奇偶校验、数据位、停止位和流控； 2.可以16进制形式自动显示接收到的数据，并能同时发送ASCII码（包括中文）和16进制字符串，可以任意设定自动发送周期,定时发送数据； 3.能将接收数据保存成文本文件,便于比较观察；并能发送任意大小的数据文件（以二进制形式发送）； 4.能自动保存设置参数，无需每次重新设置。-port experts is a good ports (serial, parallel) monitoring, debugging procedures, the following basic functions : 1. Dynamically created various communications rate, parity, data bits, stop-and flow control; 2. May 16-band automatic form of data received and at the same time sending ASCII (including Chinese) and 16 string band can be set to automatically send arbitrary cycle, regularly send data; 3. preservation can receive data into text files, facilitate comparison of observation; and the ability to send any size of paper (in binary form Send); 4. Save the settings automatically parameters, each without re-instated.

MAX274有源滤波器的设计应用。　介绍MAXIM公司系列芯片MAX274的工作性能与特点,并详细介绍了MAX274滤波器的公式和软件设计方法-MAX274 Application of active filter design. Introduction MAXIM company MAX274 chip performance and characteristics, and detailed the MAX274 filter formula and software design methods

radar wf application

pda通过gprs访问局域网内的webservice.有关windows mobile的代码 -pda through gprs access LAN webservice. on the windows mobile code