#include <EEPROM.h>


byte echoPin = 10;
byte ledpin = 12;
byte buzzer = 11;
byte trigPin = 9;
byte temp = 25;
byte result;
long duration, distance;


void setup(){

  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(buzzer, OUTPUT);
  pinMode(ledpin, OUTPUT);
  Serial.begin(9600);

  for(int i = 0; i<10; i++)
  {

  digitalWrite(trigPin, LOW);
  delayMicroseconds(1);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(5);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  distance = ((331.5 + 0.6 * temp) / 10000.0) * (duration / 2.0);
  EEPROM.write(i,distance);


       if(distance<=5)
        {

        digitalWrite(buzzer,HIGH);
	digitalWrite(ledpin,HIGH);

	}

	else

	{

	digitalWrite(buzzer,LOW);
	digitalWrite(ledpin,LOW);

	}

          delay(1500);
        }
}

void loop(){

    for(int i = 0; i < 10; i++)

    {
       result = EEPROM.read(i);
       Serial.println(result);

	if( result<=5){

	digitalWrite(buzzer,HIGH);
	digitalWrite(ledpin,HIGH);

	}

	else
	{

	digitalWrite(buzzer,LOW);
	digitalWrite(ledpin,LOW);

	}

  delay(1500);
}