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»ùÓÚAT89C51µ¥Æ¬»úµÄ¶àÈËÇÀ´ðÆ÷Éè¼Æ

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  • 2025/5/23 4:30:30

»ÆºÓ¿Æ¼¼Ñ§Ôº¿Î³ÌÉè¼Æ µÚ 22 Ò³

if(count==100) //100*10ms=1Ãë {

count=0;

second--; //Ãë¼õ1 }

}

ÑÓʱ×Ó³ÌÐò£º

void delay(uint z) //ÑÓʱº¯Êý {

uint x,y;

for(x=z;x>0;x--)

for(y=110;y>0;y--);

}

ÏÔʾ×Ó³ÌÐò£º

void display (uchar shiwei,gewei,xuanshou) //{ P2=0xfe; //´ò¿ªÏÔʾʱ¼äʮλµÄλѡ P0=shiwei;//ÏÔʾʮλ delay(5); P2=0xfd; //¸öλλѡ P0=gewei; delay(5);

P2=0xf7; //Ñ¡ÊÖλѡ P0=xuanshou; delay(5);

}

ÏÔʾº¯Êý

13S1K124

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S6K62413S7K7241312345612S11110AFS29S387BS8U34-LEDR22.2KbVCCceK824Q1PNPLS1SPEAKER13K9START2413K10RESET2413

K11qiangjia2413K12qiangjian2413K13dajia2413K14dajian24 »ÆºÓ¿Æ¼¼Ñ§Ôº¿Î³ÌÉè¼Æ µÚ 23 Ò³

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»ÆºÓ¿Æ¼¼Ñ§Ôº¿Î³ÌÉè¼Æ µÚ 22 Ò³ if(count==100) //100*10ms=1Ãë { count=0; second--; //Ãë¼õ1 } } ÑÓʱ×Ó³ÌÐò£º void delay(uint z) //ÑÓʱº¯Êý { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } ÏÔʾ×Ó³ÌÐò£º void display (uchar shiwei,gewei,xuanshou) //{ P2=0xfe; //´ò¿ªÏÔʾʱ¼äʮλµÄλѡ P0=shiwei;//ÏÔʾʮλ delay(5);

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