tracert,还用问吗.

非常 好用的VC下串口通信，非常非常简单易懂的源码-VC is very useful under the serial communication, very, very easy-to-read source

MODBUS协议中文完整版本，以往的资料不全，这是一份完完整整的MODBUS协议的中文资料，是开发MOUBUS协议栈软件的重要参考-MODBUS protocol full version of the Chinese past, the information was incomplete, this is a full account of the MODBUS protocol of Chinese data, the development of protocol stack software MOUBUS an important reference

TCP / IP Vol II Commer-TCP/IP Vol II Commer

双音多频（DTMF）信号发生器的使用源程序，vc 编写，与《双音多频（DTMF）接收器的使用源程序》联合用-Dual-Tone Multi-Frequency (DTMF) signals using the generator source, vc preparation, and "Dual-Tone Multi-Frequency (DTMF) receiver to the source using" joint use

中文RFC文件，无需翻译，对学习很有帮助！

和MODEM通讯,VB-And MODEM communications, VB

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

CRC算法原理及实现,生成多项式为"1 1000 0000 0000 0101"(CRC-16)，简记作0x18005。-CRC algorithm and implementation, generating polynomial for the

如何使程序在运行时自动注册ActiveX控件 - DELPHI - 编程文档 - 编程论坛-How to make the program run automatically register ActiveX controls- DELPHI- Programming Document- Programming Forum

Garmin GPS Tool是一个Java Swing应用程序，可以让Garmin GPS用户将他们的单元连接到计算机，使用Swing应用程序作为工具来下载和可视化道路点，轨迹，和全局路线数据-Garmin GPS Tool is a Java Swing application that allows users to Garmin GPS units they connect to the computer, the use of Swing applications as a tool to download and visualization road, track, and overall line data