#include <LiquidCrystal_I2C.h> 

LiquidCrystal_I2C lcd(0x27, 20, 4);  // Set the LCD address to 0x27 for a 20 chars and 4 line display

#define RED_PIN   5
#define GREEN_PIN 4
#define BLUE_PIN  3
#define PHOTO_PIN A0

void setup() {
  // Initialize LCD
  lcd.init();
  lcd.backlight(); // Turn on the backlight
  lcd.setCursor(4, 1);
  lcd.print("Welcome to");
  lcd.setCursor(0, 2);
  lcd.print("Auto Adjust Light");
  delay(2000);
  lcd.clear();

  pinMode(RED_PIN, OUTPUT);
  pinMode(GREEN_PIN, OUTPUT);
  pinMode(BLUE_PIN, OUTPUT);
}

void loop() {
  // Read the analog value from the photoresistor
  int sensorValue = analogRead(PHOTO_PIN);
  
  // Display raw sensor value on LCD
  lcd.setCursor(0, 1);
  lcd.print("Sensor Value: ");
  lcd.print(sensorValue);
  
  // Set the RGB LED color based on the sensor value
  analogWrite(RED_PIN, sensorValue / 4);
  analogWrite(GREEN_PIN, sensorValue / 4);
  analogWrite(BLUE_PIN, sensorValue / 4);
  
  delay(200); // Delay for stability
  lcd.clear();
}