是一个用VB编写的OPC客户端数据采集程序，在工业控制上经常会用到该通讯方式...

check if COmPort is Available

Advantech Driver Demo: Interrupt Data Transfer

串口操作源程序，可以对串口读写操作，当然也可以自发自收，是一个联系串口通信的好例子-source can write to serial port, of course, can also spontaneously collected, the serial link is a good example of communication

VC++多串口控制解决方案源代码code-VC Multiport Serial control solution source code

IC卡饭堂售饭管理系统源码,内有相关说明,-canteen EL keyboard Illumination IC card management system source code, which is related note,

串口通信模块C代码，采用的是MICROCHIP公司的芯片-Serial Communication Module C code, the company is going before the chip

串口通信程序，完成数据采集，验证证明正确，可以使用哦-Serial communication program, the completion of data acquisition, validation to prove correct, you can use the oh

用TC的API函数写的串口通讯程序。 对串口的访问 。-the API function to write the serial communication program. Right Serial visit.

测试传感器温度的控件...实在没什么可多介绍的了.VC-test temperature sensor controls ... nothing can introduce more of it. VC

使用IC卡发卡机构的预付费PB VF BCB DELPHI VC源程序，对其进行了详细说明