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