Ultimate Object Sensing

#include<LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,44,3,2);
const int trigPin = 10;
const int echoPin = 9;
long duration;
int distance;
void setup()
{
  pinMode(trigPin,OUTPUT);
  pinMode(echoPin,INPUT);
  lcd.begin(16,2);
}
void loop()
{
  digitalWrite(trigPin,LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin,HIGH);
  delayMicroseconds(2);
  digitalWrite(trigPin,LOW);
  Duration=pulseIn(echoPin,HIGH);
  Distance=Duration*0.034/2;
  lcd.print("Distance=");
  lcd.print(Distance);
  delay(10);
  lcd.clear();
}