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BuzzSCMproceduredoorbell
- 当按下开关SP1,AT89S51单片机产生“叮咚”声从P1.0端口输出到LM386,经过放大之后送入喇叭。-When you press the switch SP1, AT89S51 microcontroller have a " Ding Dong" sound from the P1.0 port output to the LM386, after amplification into speakers after.