深入浅出VC++串口编程（摘转发），很好的文章，从分析串口电路开始说明串口通信，详细介绍了串口通信开发-Easy VC++ Serial Programming (pick transponder), a very good article, from the analysis indicate the beginning of the serial circuit of serial communication, detailing the development of serial comm

串口最好的定义，可以看到每个角的作用，不会接错线了，也不会定义错-The best definition of the serial port, you can see the role of each corner, do not pick the wrong line, it will not define the error

利用Vc中MFC设计的一款带有界面的语音卡系统，利用语音卡，模拟电话摘机，挂机，服务等功能，包含数据库。-Using the Vc MFC in design of a sound card with interface system, by using sound card, analog telephone pick machine, hang, service function, containing the .