对LINUX下IC卡读写操作函数，用的是明华公司的读卡器

moden串口编程（涉及AT指令，通用异步接收发器UART）-moden Serial Programming (involving AT command universal asynchronous receiver transmitters UART)

简单的串口通信程序!通过按键来实验是否将主机中相应缓冲区中的内容传送给从机!主机状态改变,按键传输时,从机状态也将改变!-Simple serial communication program! Through the keys to the experiment whether or not to host the corresponding buffer content transmitted to the slave! Host state changes, button transmission, from the state machine will change!

基于VC的串口通信。本书详细描述了在VC环境下编写串口通信的过程。一个吸引眼球的人，只为诱导朋友。

串口数据转换,VB60源程序,本人从网上收集，分享给大家，谢谢，没有解压密码.-Serial data conversion, VB60 source, I gather from the Internet, to share to you, thank you, there is no decompression password.

简单的串口通信程序,验证串口是否连接正确,三线通信.可同时发送接受.相当简单聊天程序-Simple serial communication procedures, to verify whether the serial connection is correct, three-wire communication. Can be sent at the same time to accept. Very simple chat program

对要进行网络编程和串口编程的人员有很大帮助。-right to network programming and serial programming staff is very helpful.

好用的串口调试工具，可自定义波特率，这可是一般的没有的-useful debugging tool available from the definition baud rate, but not the general

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

Windows 2000 环境下直接访问串口、并口的小程序，包括VC、delphi源码-under Windows 2000 directly to the serial port, parallel port of small programs, including the VC, Delphi source

西门子S7-200PLC自由口协议Modbus主站库文件-Siemens S7-200PLC agreement free port Modbus master library file