通过串口发送at指令 等待返回值判断当前的网络状况以及服务商等有关信息 用与gprs的通信...

利用西门子的GSM芯片（TC35）的手机模块实现短信的读写，该手机模块可以加入SIM卡，然后就跟手机一样使用了，程序可以通过串口进行控制-The programme use GSM CMOS chip(TC35) module to read and write short message, you can insert SIM card into this module, then it can work as ordinary Mobile phone,the programme can control the module through com port.

HP 8163A power meter GPIB programming reference 技术文件-HP 8163A power meter GPIB programming reference technical documents

12,14,16点阵汉字显示文件 12,14,16点阵汉字显示文件-12,14,16 dot matrix display Chinese characters files characters dot matrix display documents 12,14,16

连接串口通讯程序，采用EVB书写模块，MScomm控件-Connect the serial communication program, using EVB writing module, MScomm control

讲述串口通信编程,vc实现！多线程，异步方式。-about serial communication programming, vc achieve! Multi-threaded, asynchronous mode.

TC中的串口编程基础-the TC basis Serial Programming

采用VC6的API函数编写串口程序，实现串口传输数据。-using the API function VC6 prepared serial procedures to achieve serial transmission of data.

自动催费.能够应用在很多领域,如果需要请和我联系,-automatic reminders charges. Can be used in many fields, and if necessary please contact me,

此源代码是一个很复杂的串口通信的例子，序，可以运行。-this source code is a very complicated serial communication example, sequence, can run.

华中科技大学计算机学院接口课程设计.vc制作,上位机下位机模拟商场贵宾卡系统.使用access数据库.-Huazhong University of Science and Technology School of Computer Interface Design courses. Vc production, PC lower computer simulation malls VIP system. The use of database access.