51单片机制作霓虹灯的程序 电路图

51单片机制作霓虹灯的程序+电路图霓虹灯的电路图:

霓虹灯的51单片机程序:

#include ;

#define uchar unsigned char

#define uint unsigned int

sbit RED_LED = P1^0;

//端口定义.

sbit GREEN_LED = P1^1; sbit YELLOW_LED = P1^2; uint flicker,i,n;

void int0()

{

TMOD=0x01;

TH0=0x3C;

TL0=0xAF;

TR0=1;

//启动定时器。

ET0=1;

//开定时器中断. EA=1;

//开总中断

}

void main()

//主函数。

{

n=0;

i=0;

GREEN_LED=1;

YELLOW_LED=1;

flicker=0;

int0();

while(1)

{

if(0;

#define uchar unsigned char

#define uint unsigned int

uchar

ss[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,

0x00,0xff,0x00,0xff,0x00,0x01,0x03,0x06,

0x0c,0x18,0x30,0x60,0xc0,0x80,0x00,0xff, 0x00,0xff,0x00,0xff,0x00,0x01,0x03,0x07, 0x0e,0x1c,0x38,0x70,0xe0,0xc0,0x80,0x00, 0xff,0x00,0xff,0x00,0x01,0x03,0x07,0x0f,

0x1e,0x3c,0x78,0xf0,0xe0,0xc0,0x80,0xff, 0x00,0xff,0x00,0xff,0x00,0x78,0xf0,0xff, 0x00,0xff,0x00,0x80,0x40,0x20,0x10,0x08, 0x04,0x02,0x01,0xff,0x00,0xff,0x00,0xff,

0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,

0xff,0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01};

/*数组中为霓虹灯闪烁花样，单流水，双流水，三流水，四流水和倒流*/

uint m,n,i;

void delay(m)

{

while(m--)

for(i=0;i<120;i++);

}

void main()

//主函数。

{

while(1)

{

P1=ss[n];

P3=ss[n];

delay(400);

P1=0x00;

n++;

if(n==96) n=0;

}

}