电路原理图如下：


元件清单:
名称 数量 规格/型号 备注
万能板 3 18*30cm
单片机STC15F2K60S2 1 DIP40 除非你会改程序，否则请勿擅自更换
74hc154 4 宽窄两种封装均可
40PIC座 1
24PIC座 4
电解电容47uF 1
104电容 1
拨动开关 1
铜柱（含螺母） 4 M3*100mm
灯珠 540 2*5*7mm雾状 颜色自选
弯排针 1 每组40P
直排针 8 每组40P
白色飞线 2 若干
USB转TTL下载器 1 PL2303系列或CH340系列
母对母杜邦线 3 每组40P
母对公杜邦线 1 每组40P
微动开关 1

单片机源程序如下：

/*作者：风铃 */

#include"STC15F2K60S2.h"

#include"intrins.h"

#include"basic.h"

#define SET 0x00

#define CLR 0x00

#define Segs P0

#define Out P1

sbit Rest=P3^0;

void IO_int();

void Timer1Init(void);

Byte code table[]={

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

};

Byte code Segs_tab[]={

0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,0xeb,0xec,0xed,0xee,0xef,

0xd0,0xd1,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xdd,0xde,0xdf,

0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf,

0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f,

};

void Timer0Init(void);

unsigned char Anm1=0;

unsigned int End,Anm=0;

void main()

{

EA=1;

End=sizeof(table);

IO_int();

Timer0Init();

while(1)

{

if(Rest==0)IAP_CONTR=0x60;

if(Anm>End)Anm=0;

Segs=Segs_tab[Anm1];

Out=table[Anm1+Anm];

}

}

void IO_int()

{

P0M1=0x00;

P0M0=0x00;

P1M1=0x00;

P1M0=0xff;

}

void Timer0Init(void) //100微秒@22.1184MHz

{

AUXR |= 0x80; //定时器时钟1T模式

TMOD &= 0xF0; //设置定时器模式

TL0 = 0x5C; //设置定时初值

TH0 = 0xF7; //设置定时初值

TF0 = 0; //清除TF0标志

ET0=1;

TR0 = 1; //定时器0开始计时

}

void delay() interrupt 1

{

TR0=0;

Anm1=Anm1+1;

if(Anm1>63)Anm1=0;

Out=CLR;

Segs=0xff;

TR0=1;

}