#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 
                                  // for a 16 chars and 2 line display

int time = 0;
int distance = 0;
int echo = 11;
int trigger = 12;



void setup()
{

  pinMode(echo, INPUT);
  pinMode(trigger, OUTPUT);
  lcd.init();                      // initialize the lcd
  // Print a message to the LCD.
  lcd.backlight();
  Serial.begin(9600);
  lcd.begin(16, 2);
  lcd.setCursor(0,0);
  lcd.print("Hi!I Am Apurbasi.");
  delay(2000);
}

void loop()
{

  lcd.clear();
  digitalWrite(trigger, LOW);
  digitalWrite(trigger, HIGH);
  time = pulseIn(echo, HIGH);
  distance = 0.0172 * time;
  lcd.setCursor(5,0);
  lcd.print(distance);
  lcd.print("cm");
  delay(1000);

}