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

LiquidCrystal_I2C lcd(0x27,16,2);

const int sensor = A2;

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Initialize");
}

void loop() {
  if(analogRead(sensor) > 250){
    lcd.clear();
    lcd.print("ERRORRRR");
  }
  else{
  double sensorValue = analogRead(sensor) * 0.05;
  lcd.clear();
  lcd.print(sensorValue);
  }
  delay(500);
}