好东东，用C写的，USB接口程序，很好用

通过设置发送并接收消息：可以设置端口，波特率，奇偶校验等参数-send and receive news : you can set ports, baud rate, parity and other parameters

VC＋＋下的多串口通信程序，并具有其他功能-VC++ multi-serial communication program, and has other functions

一个C语言的串口通信程序-C language of a serial communication program

短信控件，无限制版。重要用于串口手机发送短信-SMS control, unlimited edition. Important for the serial cell phones, send text messages

这是一个多线程实现的串口通信类，对学习多线程编程以及串口通信有用，可以直接使用，也可以修改加入自己的应用，很方便-This is a multithreaded achieve the serial communication class, to learn multithreaded programming and serial communication useful, can be used directly, can also modify to their own use, convenient

是关于日历时钟芯片的C语言编程,讲解非常详细!-Calendar clock chip on the C language programming, to explain in great detail!

基于MAXII的RS232串口通信程序.还有使用VB编写的上位机串口通信软件。-MAXII based on the RS232 serial communication program. There are prepared to use VB PC serial communication software.

通过串口实现PC机和下位机的通信，用VB。NET来实现-through the PC serial port and the next crew of communications, using VB.NET to achieve

要完成串口通信, 在32位模式下, 一般说来有以下四种方法-to complete the serial communications, in 32-bit mode, in general the following four methods :

modbus rtu 通讯 使用spcomm控件-modbus rtu protocl use spcomm activX