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蜂鳴器實驗

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C51入門4，蜂鳴器實驗

實驗一：滴滴間斷聲光報警信號實驗程序：//滴滴間斷聲光報警信號實驗 #define uchar unsigned char #define uint unsigned int #define ulong unsigned long#include char code dx516[3] _at_ 0x003b; //端口設(shè)置

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2018-10-11

c51入門蜂鳴器實驗