以前分析串口通讯用Device Monitoring Studio或SUDT，后来的usbxpress没有虚拟串口了，因此写了一个SiUSBXp.dll，来拦截软件的调用和返回数据，还挺管用的。能找出通讯的内容和过程。需要的可以联系jvd@163.com-Previous analysis of serial communication with the Device Monitoring Studio or SUDT, later usbxpress no virtual serial por

LED多条屏通讯的Delphi演示程序。程序通过实例说明了如何通过串口与LED显示屏进行通讯。可以控制那个屏幕、字幕出场方式、停留时间、显示次数等。并附所用dll说明文件。-Multiple LED screen communications Delphi demo program. Procedure example illustrates how the serial port to communicate with the LED display. Can control the scre

程序是有QT编写的收钞模块的dll库，通过com编程实现串口通讯-Program is written with QT chao module DLL library, through the com programming to realize serial communication