串口扩展 串口扩展 串口扩展 串口扩展

用串口通信的方式实现双机备份，串口采用了 mscomm控件。-serial communication with the realization of a two-aircraft backup, serial used mscomm controls.

使用说明： 系统要求：WIN9X/ME/NT/2000 VC++6.0 且安装了VC ACTIVEX控件（在VC6安装时选上） 免费 简介：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。-Usage: System Requirements: WIN9X/ME/NT/2000 VC++ 6.0 and installed VC ACTIVEX controls (in VC6 installation selected) Free Introduction: In VC++ 6.0 using MSComm control programming can be achieved Serial receive data and send data, data were displayed on the receiver box and sent box.

一个用于ARM7CPU的源程序，比较简单，定时器.-One for the source ARM7CPU, relatively simple timer.

SIM300 TCPIP Application Notes 英文手册，希望对您有用 -SIM300 TCPIP Application Notes English manual, want to be useful for you

射频卡读写程序,C#版，绝对绝无仅有的，可以读写交通卡，需要读写设备-RF card reader procedures, C# version, absolutely unheard of, the card can read and write traffic, the equipment needed to read and write

CAN program for PIC microprocessor

Dos下串口通讯编程-Serial Communication Program

控制X射线和高压源的典型应用程序，包括经典的串口数据处理。-Control the source of X-rays and a typical high-pressure applications, including the classic serial data processing.

VC++简单而强大的多线程串口编程工具,该CSerialPort类封装了串口通信的基本 数据和方法-VC simple and powerful multithreaded serial programming tools, the CSerialPort type of serial communications package of basic data and methods

GPRS AT 指令集封装程序，基于MC45-GPRS AT command set package program, based on the MC45