realized Modbus RTU communication protocol COM

M64双串口代码，C语言，经测试运行稳定-M64 dual serial code, C language, have been tested to run stable

该软件是一个串口通信的上位软件，能够和单片机通信，获取当前的温湿度值，简单，使用，可靠，对于初学者很有借鉴价值-The software is a PC serial communications software, and be able to single-chip communications, access to the current temperature and humidity value, easy to use, reliable and useful reference for beginners Value

pb9com目录：在PowerBuilder 9.0实现COM开发的例子；-pb9com Contents : PowerBuilder 9.0 in the development of the COM achieve example;

BCB6串口控件，一种性能非常优越的控件。-Bcb6

这是用KeilC实现的射频接收程序,可以直接用在工程中.是实现射频通讯的最快捷的方式.-This is achieved using KeilC RF receiver procedures, can be directly used in the works. RF communication is the most expeditious manner.

是关于美兰日兰电源通信规约的串口通信程序，功能是把电源监控器的采集数据上送到规约前置机中。-GOLD comunication rule

这是一个串口通信的实例。 里面用到很多控件，对于初学者值得学习！-This is an example of serial communication. Which used a lot of control, for beginners to learn!

实现串口通信，两台计算机之间的相互链接功能-Realize serial communication, two computers between the link function

This is the free RTOS on PIC24.

详细介绍了使用VB开发RS-232通信程序的全过程，并介绍了vb通信控件的用法。-Described in detail the use of VB-RS-232 communication program the whole process and introduced the use of the Communication Control in vb.