用vb实现串口间通信,可以用来熟悉串口间传输信息的原理.

上位机和单片机进行串口通信的调试VB源码-PC and MCU for serial port communications VB source code debugging

这是我做的关于考勤机的一些测试程序，请大家积极下载，很有帮助。-This is my appraisal done on the plane of some testing procedures, please download positive and helpful.

一个gps通讯接口程序可及时更新计算机时间-A gps communications interface program may update computer time

delphi编写的com程序,自己可以添加功能,可用做串口调试-com prepared by the procedures, they can add functionality and can be used for debugging serial

很好的东东,有详细的文档介绍，适合于串口通信的初学者。-good Dongdong, a detailed document, suitable for serial communication beginners.

这是课程设计中我设计的一个串口通信程序，用Ｃ写的，能够双向通信-This is a curriculum design that I designed for a serial communication program, using C to write, and can be two-way communication

plcfx VB开发的串口与三菱PLC通讯源码，超值，搞工控的朋友-plcfx VB Serial communication with the source of Mitsubishi PLC, Value and engage a look at the IPC

SPCE061A为核心的转换控制(Drivers汇编代码)：以太网 RS232-SPCE061A at the core of the change of control (Drivers assembly code): Ethernet RS232

PC_COM串口通信-PC_COM Serial Communication

通过rs232，发送一条消息到另一端，可以打开端口，检查打开后才输入消息。