#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
int trig_pin = 12;
int echo_pin = 11;
int distance = 0;
int time = 0;
void setup() {
  // put your setup code here, to run once:
  pinMode(echo_pin, INPUT);
  pinMode(trig_pin, OUTPUT);
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  lcd.begin(16,2);
  lcd.setCursor(0,0);
  delay(2000);
}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.clear();
  digitalWrite(trig_pin, LOW);
  digitalWrite(trig_pin, HIGH);
  time = pulseIn(echo_pin, HIGH);
  distance = time*0.0172;
  lcd.setCursor(0,0);
  lcd.print("Distance= ");
  lcd.print(distance);
  lcd.print(" cm");
  lcd.setCursor(0,1);
  lcd.print("Time = ");
  lcd.print(time);
  lcd.print(" ms");
  delay(1000);
  
}