#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);

const int trigger = 2;
const int echo = 3;
float distance;
long duration;
float cm;
float inches;

void setup(){

  pinMode (trigger,OUTPUT);
  pinMode(echo, INPUT);
  digitalWrite(trigger, LOW);
  lcd.init();
  lcd.backlight();

}
void loop(){
  digitalWrite(trigger, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigger, LOW);
  
  pulseIn(echo, HIGH);

  if (duration > 25000){
  }
  else {
    distance = (duration * 0.034) / 2;
    lcd.setCursor(0,0);
    lcd.print("Distance:");
    lcd.setCursor(0,1);
    lcd.print(cm);
  }
  delay(1000);
}