日语版232串口的通信用控件源代码，主要应用于232通信程序开发和设计-Japanese version of 232 serial communication with the control source code, 232 is mainly used in the development and design of communication procedures

可虛擬兩個RS-232或者是多個RS-232互傳資訊，此源码維Delphi所編寫。-Can be a virtual two RS-232 or RS-232 over pass each other information, this source code written by Victoria Delphi.

PLC串口调试程序,串行通信编程的方法，对采用了RS-232接口的仪器进行串行通信的计算机测控软件开发，以及实现仪器功能和指标的验收-Microsoft Comm Control 6.0中）-vb serial communications debugging method existing electronic weighing a Taiwan, the use of serial communication with the computer. Preparation of VB to v