#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C LCD(0x27,16,2);
#define trigPin 10
#define echoPin 11

void setup() {
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  LCD.init();
  LCD.backlight();
  LCD.setCursor(0,0);
  LCD.println("Distance");
  LCD.setCursor(0,1);
  LCD.println("=");
  LCD.setCursor(10,1);
  LCD.println("cm");
}

void loop() {
  Serial.print("Distance = ");
  LCD.setCursor(2,1);
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  float duration = pulseIn(echoPin, HIGH);
  float Distance = duration/58;
  Serial.print(Distance);
  Serial.println(" cm");
  LCD.println(Distance);
  delay(500);
}