非接触式读卡器的测试界面程序，通信方式为串口动态库。-Non-contact reader interface testing procedures, communication through a serial port dynamic library.

DELPHI 串口通讯实例，详细说明如何使用串口控件，非常适合初学者学习-DELPHI serial communication example, detailed descr iption of how to use the serial port control, very suitable for beginners to learn

delphi实现的GPRS模块参数设置工具，采用串口通讯，支持收发报文监控。也可以用作简易串口收发工具.有全部源代码。-Delphi implementation of the GPRS module parameter settings tool, using the serial communication, support for sending and receiving messages to monitor. Can also be used as a simple serial p