#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

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

void setup() {
  // put your setup code here, to run once:
  pinMode(echo, INPUT);
  pinMode(trigg, OUTPUT);
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  lcd.begin(16, 2);
  lcd.setCursor(0,0);
  lcd.print("Hello, Peter");
  delay(2000);
}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.clear();
  digitalWrite(trigg, LOW);
  digitalWrite(trigg, HIGH);
  time=pulseIn(echo, HIGH);
  distance = 0.0172*time;
  lcd.setCursor(5,0);
  lcd.print(distance);
  lcd.print("cm");
  delay(1000);
}