8583芯片编程应用写入器件地址写8574端口，写入器件地址读8574端口。...

mscomm的控件，基于VB，C++ 或API的控件。-MSComm control, based on the VB, C++ or API controls.

LED 发送字模系统-LED Printer System

中国海军军事化管理系统,全方位，立体化管理中国海军-this is very good Code Scource.

基于51的串口通信程序！！希望大家有用！-51 Based on the serial communication program! ! I hope everyone useful!

本程序调用了微软自带的mscomm控件，实现com口的数据接收，读者可自行添加发送数据功能。内附mscomm.ocx控件及其注册方法，本程序是用的静态链接库，为的是能在没有vc库的机器上也可以运行，所以个头大了点。-Microsoft"s own mscomm controls, I realize com data reception, readers can add their own functions to send data. Enclosing mscomm.ocx control and registration method, the procedure is used in the static link library, for the in the absence of vc for the machine can also run, giving the larger point.

一个很好的串口监视程序，可以实现串口发送数据的监视-A very good serial surveillance procedures, can send data to serial surveillance

注：此源程序只作参考，内有些函数未有原型，借鉴在于其通信方式及其设置。 CRC检校可另参考其它代码。-Note : This only source for information, some not function prototype reference in its communications and its settings. CRC calibration can be a reference to the other code.

LP830 无线识别卡 读写程序demo， 详细实现了hsm协议-LP830 wireless identification card reader procedures demo, achieving a detailed agreement HSM

VC的COM口驱动程序,使用了ACTIVEX控件-VC COM port drivers, the use of Activex Control

实现一维Barcode扫描，能在Pocket PC上运行，带有一个Barcode_ce.dll.