#include

#define trigger 10
#define echo 11
#define motor 8
#define buzzer 12

LiquidCrystal lcd(7,6,5,4,3,2);

float time=0,distance=0;
int temp=0;
void setup()
{
lcd.begin(16,2);
pinMode(trigger,OUTPUT);
pinMode(echo,INPUT);
pinMode(motor, OUTPUT);
pinMode(buzzer, OUTPUT);
lcd.print(" Water Level ");
lcd.setCursor(0,1);
lcd.print(" Indicator ");
delay(2000);
}

void loop()
{
lcd.clear();
digitalWrite(trigger,LOW);
delayMicroseconds(2);
digitalWrite(trigger,HIGH);
delayMicroseconds(10);
digitalWrite(trigger,LOW);
delayMicroseconds(2);
time=pulseIn(echo,HIGH);
distance=time*340/20000;
lcd.clear();
lcd.print("Water Space In ");
lcd.setCursor(0,1);
lcd.print("Tank is: ");
lcd.print(distance);
lcd.print("Cm");
delay(2000);
if(distance30)
{
digitalWrite(motor, HIGH);
lcd.clear();
lcd.print("LOW Water Level");
lcd.setCursor(0,1);
lcd.print("Motor Turned ON");
delay(5000);
temp=0;
}
}