RS485

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

这个是串口的基于停止等待协议原理编程，这个是接收程序，很好用哦-this is the agreement on principle to stop waiting for the program, this is the receiving process, oh well spent

在串口被站用的情况下进行的串口模拟-the station was used for the conduct of the serial simulation!

vb.net与232串口通讯 vb.net与232串口通讯-vb.net and 232 serial communications vb.net and 232 serial communications

串口通信，写成dll便于参阅-serial communication, written dll ease of reference

可实现串口通信的DLL文件源码.通信速度快,易调试,占用系统资源少,非常实用.-serial communication can be realized DLL source. Communications faster, easier debugging, occupying less system resources. very practical.

wavecom短信猫使用源代码及相关AT指令-Wavecom message cat use the source code and related AT commands

232通讯软件 可以用于单片机与电脑通讯 以实现各种工业控制-232

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

Evc 4.0写的，关于wince 串口通讯程序，通讯规约遵循dl/t645-err