包含两篇关于FXO、FXS的文档，详细介绍了他们的区别和定义，是开发VOIP设备的很好的参考材料。这种材料可是很难找哦。...

GPRS 通讯，拨号连接。一个很好的 例子 -GPRS communications, dial-up connection. A good example

An introduction to IrDA software protocol

PWLib DLL libraries, OpenH323 DLL libraries-Gnome DLL libraries, OpenH323 DLL libraries

1394 网口 等通信接口的优劣比较，尤其在图像处理的图像信息传输中有很大参考作用-1394 network communication interface, etc. I compare the advantages and disadvantages, especially in image processing of image information transmission in a large reference

实现矩阵的Cholesky分解,这些程序是用C来编写的.-Cholesky decomposition of matrix realize that these procedures are to come prepared with C.

计量管理软件，串口通讯，不可多得的称重软件完全源代码，下载即可使用！-Measurement of management software, serial communications, rare totally weighing software source code, you can use to download!

自己写的网络通讯系统-himself wrote the network communications system

串口调试源代码，自己动手已经实现，能够完成与单片机的串口通信-serial debug source code, has achieved its own hands, and MCU to complete the serial communications

基于MAX274的有源带通滤波器设计。有需要的朋友请下载-MAX274-based active bandpass filter design. Friend in need, please download

本文件是一个如何开发OPC Server的Word说明文档。比较详细的介绍了使用COM技术进行开发OPC Server的过程。-this document is how to develop an OPC Server Word documentation. A more detailed introduction to the use of COM technology for the development of OPC Server process.