#include <LiquidCrystal_I2C.h>

const int LED = 12;
const int LDR_PIN = A0;  // Change the pin according to your LDR connection
int ldrValue;
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  pinMode(LED, OUTPUT);
  pinMode(LDR_PIN, INPUT);

  lcd.init();
  lcd.backlight();
}

void loop() {
  ldrValue = analogRead(LDR_PIN);
  lcd.setCursor(2, 0);
  lcd.print("Room: ");
  
  if (ldrValue > 100) {
    digitalWrite(LED, HIGH);  // Turn on the LED if it's night
    lcd.print("Dark");
  } else {
    digitalWrite(LED, LOW);  // Turn off the LED if it's day
    lcd.print("Day ");
  }
  
  delay(100);
}