/*OVER FLOW INDICATOR FOR WATER TANK WITH AUTO CUT OFF USING 8052 MCU*/

#include#include#include

sbit sw1=p0^0;

sbit sw2=p0^1;

sbit pump=p0^4;

sbit led1=p0^5;

unsigned char ch;

sbit rw=p2^0;sbit rs=p2^1;sbir en=p2^2;

void msdelay(unsigned int itime);

void main(){

while(1){

if(sw1==1) // tank empty{

pump=1; // water pump ONled1=1; //led indication

}

if(sw2==1) // tank full{

pump=0; // motor offled1=0; // LED indications

}

}}

void msdelay(unsigned int itime){

unsigned int i,j;for(i=0;i