#define echoPin 5

#define trigPin 6

long duration;

float distance;



#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);



void setup() {

  pinMode(trigPin, OUTPUT);

  pinMode(echoPin, INPUT);

  lcd.begin(16,2);

  Serial.begin(9600);

}

void loop() 

{

  digitalWrite(trigPin, LOW);

  delayMicroseconds(2);

  digitalWrite(trigPin, HIGH);

  delayMicroseconds(10);

  digitalWrite(trigPin, LOW);

  duration = pulseIn(echoPin, HIGH);

  distance = duration * 0.034 / 2;

  delay(1000);

    

  lcd.setCursor(0, 0);

  lcd.print(distance);

  

}