#include <LiquidCrystal_I2C.h>
#define SIG 4
#define LED_BUILTIN 5
int LED_STATE = LOW;
//bool  user = false;
LiquidCrystal_I2C lcd(0x27,16,2);

void setup() {
  Serial.begin(115200);
  pinMode(SIG , OUTPUT);
  pinMode(LED_BUILTIN , OUTPUT);

  lcd.init();
  lcd.backlight();
  //Serial.available(user = 1);
}

void loop() {
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Welcome");
  delay(1000);

  int analogeValue = (SIG);
  lcd.clear();
  if (analogeValue > 2000){
    lcd.setCursor(0,1);
    lcd.print("Light is OFF");
    if(LED_STATE = (LOW)){
      LED_STATE = (HIGH);
    }
    delay(1000);
  }
  
  else{
     lcd.setCursor(0,1);
    lcd.print("Light is ON");
    if(LED_STATE = (HIGH)){
      LED_STATE = (LOW);
    }
  }

  //
 // lcd.print("Goodbye");

  delay(1000); // this speeds up the simulation
}