Project 2 - Measuring the distance of an object using ultrasonic sensor and also smoothen the sensor data using moving average filter

#include <LiquidCrystal.h>
#define trigger 12
#define echo 11

LiquidCrystal lcd(2,3,4,5,6,7);
float time=0,distance=0;

void setup()
{

lcd.begin(16,2);
pinMode(trigger,OUTPUT);
pinMode(echo,INPUT);
lcd.print(" Ultra sonic");
lcd.setCursor(0,1);
lcd.print(" sensor");
delay(2000);
lcd.clear();
lcd.print(" Distance Meter");
delay(2000);
lcd.clear();

}

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("Distance:");
lcd.print(distance);
lcd.print("cm");
lcd.setCursor(0,1);
lcd.print("Distance:");
lcd.print(distance/100);
lcd.print("m");
delay(1000);
}