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主要针对多台ＬＥＤ 显示屏系统数据传送问题， 提出一种用Ｖｉｓｕａｌ Ｂａｓｉｃ 语言实现的ＰＣ机与多台ＭＣＳ—５１ 单片机主从式通信方法， 给出硬件电路图、通信协议及软件流程图
Mainly for multiple LED display system data transmission problems, put forward a Visual Basic language to achieve PC and MCS-51 multiple master-slave communication method, given the hardware circuit diagram, communication protocol and software flow chart