Serial串口累，支持多个串口同时通讯。

清华大学计算机系网络课程 信号处理原理 因为太大，所以删了视屏讲解，其它都是全的-Tsinghua University Department of Computer Network Course principles of signal processing because of too great, we have decided to screen on the other are the whole of

api开发的串口通讯程序，很好的一个软件。-api development of serial communication program, a very good software.

Nokia 6100 LCD Display Driver SPI

3G中重要的应用，分析讲解了可视电话的基本原理和信令流程，及一些背景知识-3G important application, analysis of the video telephony on the basic principles and signaling processes, and some background knowledge

SMTP协议的标准文档，IETF的RFC中文版-SMTP protocol standards documents, the IETF RFC Chinese version

USB总线接口芯片CH375的介绍，对于进行USB开发的人都很大的指导作用。-USB bus interface chip CH375 introduction to USB development for people a lot of the guiding role.

在开发Windows mobile中经常碰到的问题，帮助开发这少走弯路，提高开发效率。-The questions that many people have meet in developing , to help developer reduing the time and improve the effciency

约简单的说就是指在电力系统中,发送信息端与接受信息端对所发送数据的报文格式封装与解封装的一套约定。为了实现规约的标准化,国际电工委员(International Electrotechnical Commission)制定了一系列的远动规约的基本标准,并在此基础上制定了基于TCP/IP协议的IEC 60870-5-104国际标准,用以对地理广域过程的监视和控制。

opc的例子,包括有vb.net和c.net -opc examples, including vb.net and c.net

用vhdl做得CPLD静态两位数码管扫描 显示“10”两位数码管公用段选-CPLD with VHDL done two static scan digital tube displays