#include<LiquidCrystal.h>
const int trigPin = 10;
const int echoPin = 8;
double duration,distance;
const int rs=12,en=11,d4=5,d5=4,d6=3,d7=2;
LiquidCrystal lcd(rs,en,d4,d5,d6,d7);
void setup() {
  // put your setup code here, to run once:
  lcd.begin(16,2);
  lcd.print("Distance:");
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(trigPin,LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin,HIGH);
  distance = (duration*0.0343)/2;	
  lcd.setCursor(0,1);
  lcd.print(distance);
}