#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  pinMode(3, OUTPUT);
  lcd.init();
  lcd.backlight();
}

void loop() {
  lcd.setCursor(0, 0);
  lcd.print("Photo = ");
  lcd.setCursor(8, 0);
  lcd.print(analogRead(A0));
  if(analogRead(A0) < 1000)
  {
    digitalWrite(3, HIGH);
  }

  else
  {
    digitalWrite(3, LOW);
  }
  delay(1000);
}