随着西门子通信PC 200PLC开发经典的delphi源码

TAPI 编程事例，有兴趣的可以研究．很有价值．-TAPI programming examples are interested can study. Great value.

一个读取支持modbus协议的设备的数据工具-read a support agreement modbus connection equipment for the data tools

用visual c++ 6 编写的串口通信程序,适合初学者学习-Using visual c++ 6 prepared by the serial communication program, suitable for beginners to learn

计算机中传输数据的方式有两种：并行方式和串行方式。在IBM PC机的汇编语言中，对串口的编程方式有DOS和BIOS 系统功能中断调用。本次实验设计采用BIOS系统功能中断调用，即通过INT 14H，调用ROM BIOS串口通信例行程序。-computer transmission of data in two different ways : parallel and serial mode approach. IBM PC assembly language, the serial programming method DOS and BIOS interrupt function call. The experimental design using BIOS interrupt function call, through INT 14H, called ROM BIOS serial communication is a routine procedure.

C++ Builder 6 Delphi 7系列控件网站提供的www.cppfans.com很容易使用的内涵

windows下支持并发读写串口的串口类-windows to support literacy with the serial serial category

vb串口程序，写的是一个串口使用例程，对初学者有用，特别是工控类的-vb serial procedures, to write a serial port using the routines, useful for beginners, especially the industrial category

好东东，用C写的，USB接口程序，很好用-Dongdong good with C wrote, USB interface program, a very good use

fxa-interface 接口的vb程序plc-fxa-interface interface vb procedures plc

一个手机串口通信的类子，值得参考！！！如果你刚学习串口通信，一定值得下载！ -A mobile phone sub-type of serial communication, it is also useful! ! ! If you are just learning of serial communication, it is worth to download!