modbus rtu 通讯 使用spcomm控件

汇编和C混合编程的单片机模拟I2C程序，已验证可行-compilation and mixed C Programming microcontroller simulation I2C procedures, has been verified

在VC++6.0中用MSComm控件编程，可以实现串口接收数据和发送数据，数据分别显示在接收框和发送框中。 -used in VC 6.0 MSComm programming, can achieve serial receiving data and sending data Data were displayed at the receiving box and this box.

QSS设备读取的后台服务程序，有多线程设置读取QSS，数据存储-Os equipment to read the background of service procedures, how to read threads set Os, data storage

VC++中实现多串口通信编程的类及样例程序,来源于-VC multi-serial communication programming category and sample program, and from the lt; VC_TurboC serial communication programming practice gt;

这是恒坚电器提供的完整的c++串口编程源代码-Tsunekata appliances provide a complete c serial programming source code

电子皮带秤选型工具，让你快速完成选型，并洞察到各种数据情况-Electronic Belt Scale Selection tool allows you to quickly complete the selection, and insight into the situation of various data

学院系统，源代码详细描述，如有疑问，请与我联系。

说明：多线程 (Multi-Thread) RS232 串行口通讯构件 ( 1.51 版，附源码 )-: multithreading (Multi-Thread) RS232 serial port communication components (1.51 version, with source)

通过串行口接收并显示电力质量检测变送器信息-through the serial port indicates that the power to receive and the quality of information detection Transmitter

Siemens PLC与VB通讯的例子。先要安装Siemens的PCAcce-Siemens PLC与VB通讯的例子。先要安装Siemens的PCAccess