继电器.c

LED显示,流水灯,定时器,可用于单片机课程设计

#include <reg51.h>
#define uchar unsigned char
sbit jdq=P0^0;
void delay(uchar x)
{uchar y;
for(;x>0;--x)for(y=0;y<250;y++){;}}

void main()
{ while(1) {jdq=1;delay(2000); jdq=0;delay(200);}
}