#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 2      // Pin for DHT22
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
const int ldrPin = A1;  // Pin for LDR
// Initialize the LCD with I2C address 0x27
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
  // Initialize serial communication
  Serial.begin(9600);
  // Initialize DHT sensor
  dht.begin();
  // Initialize LCD
  lcd.init();
  lcd.backlight();  // Turn on the LCD backlight
  lcd.setCursor(0, 0);
  lcd.print("Initializing...");
  delay(2000);  // Pause to show initialization message
}
void loop() {
  // Read temperature and humidity from DHT22
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  // Read light intensity from LDR
  int lightIntensity = analogRead(ldrPin);
  // Display readings on Serial Monitor
  Serial.print("Temp: ");
  Serial.print(temperature);
  Serial.print(" C, Humidity: ");
  Serial.print(humidity);
  Serial.print(" %, Light Intensity: ");
  Serial.println(lightIntensity);
  // Display readings on LCD screen
  lcd.clear();  // Clear previous readings
  lcd.setCursor(0, 0);  // Set cursor to first row
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print("C");
    lcd.setCursor(0, 1);  // Set cursor to second row
  lcd.print("Hum: ");
  lcd.print(humidity);
  lcd.print("%");
  delay(2000);  // Wait 2 seconds before updating
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Light: ");
  lcd.print(lightIntensity);
delay(2000);  // Wait 2 seconds before the next update
}