udp echo server and client use them they r working fine

这是一个通讯软件-This is a communications software

资源描述在类中定义回调函数，并在应用中实现回调函数的调用-Implemented in a class function callback

设计Arduino的销13被连接到220欧姆的电阻。连接到晶体管2N222A电阻，然后连接到基座。一条腿被连接到地，另一条腿被连接到蜂鸣器。此外蜂鸣器连接到Vcc。蜂鸣器，请12伏变为5伏。

七号信令网是我国的电信主干网，在从事电信相关行业的朋友可以下载学习-On the 7th signaling network is the backbone of China s telecommunications network, engaged in telecommunications related industries friends can download the learning

详细介绍MMS发送过程中的文件转换，可供彩信开发人员参考-MMS sent a detailed introduction in the process of file conversion for MMS developers to reference

iso c 语言标准。不是每个人都看过吧。比大学教材好很多。-ISO IEC 9899 TC3

pc到pc的串口通讯程序，基本的收发显示-pc to pc serial port communication program, the basic display of the transceiver

Visual C++ 串口通信编程实践 第7章和第8章源码-Visual C++ Serial communication programming practice, Chapter 7 and Chapter 8 Source

串口调试VB源代码.可以实现串口接收,串口参数设置,并能保存相关信息,特别适合于对串口通讯有兴趣的程序员.-Serial debug VB source code. Can be achieved to receive serial port, serial parameter setting, and to preserve relevant information, especially suitable for serial communication to interested programmers.

"Hard to find" full description of ContactID protocol from Ademco used by many home security devices to send messages to CMS (Central Monitoring Station) about security events. Has full technical description and can be used to easy make CMS communication module that sends info from your alarm system to CMS station.