@TOC

一、原理图

二、代码

#include<reg52.h>

unsigned char i=0;
unsigned char tab[]={~0x7F,~0x6F,~0x39,~0x6D,~0x06};

//延时函数
void delayms(unsigned int x)
{
   unsigned char i;
	 while(x--)
	 {
		 for(i=0;i<113;i++);
	 }
}

void main()
{
	
	while(1)
	{
		for(i=0;i<5;i++)
		{
			P1=tab[i];
			delayms(500);
		}
	}
}