51单片机串口调试程序，pc机发送数据给单片机单片机通过led显示出来-51 serial single-chip debugger, pc machine to send data to the single-chip single-chip through the led display

用vb编写的上位机通过窜口实现对下位机-单片机的上led的控制。-vb control led through rs232 !

单片机实验例程 SY001 --- LED流水灯控制 SY002 --- 警报声程序 SY003 --- 单片机唱歌 SY004 --- LED数码显示 SY005 --- 按键扫描程序 SY006 --- 93c46读写 SY007 --- 24c01读写 SY008 --- X5045读写 SY009 --- LCD显示 SY010 --- 电子时钟 SY011 --- 秒表 SY012 --- 计数器

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