两台PC电脑间数据的通讯,这是主发送端的VC源码

多线程串口通信程序-multithread serial communication program

七号信令原理（中文）-SS7 Principle (Chinese)

Example code to program a C8051F30x device through its C2 interface.-Example code to program a device C8051F30x through its C2 interface.

自己用VB6.0写的visa32控制CMU200测试手机射频指标工具，要安装visa32驱动。手机装测试白卡，自动拨号连接手机，自动生成测试报告。-Own use VB6.0 to write visa32 control CMU200 test mobile radio indicator tools, mobile equipment testing white card, automatic dial-up connection phone to automatically generate test reports.

一篇关于P2P 穿越NAT 的实用文章，采用TCP协议来进行穿越。-on a peer-to-peer NAT traversal of practical articles, using TCP for the crossing.

Detect IRDA device in C

一个十分好的IEC870-5-101培训教材-A very good IEC870-5-101 training materials

This program is free software you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License, or (at your option) any later version.

串口通讯程序,用vc写的很好的说明了用API涵数进行串口的读和写!- The string mouth communication procedure, very good showing which wrote with vc has contained the number with API to carry on the string mouth to read and to write!

Some opnet lab manual in Accompanying books