#include <DHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

// Pin for DHT22 sensor
#define DHTPIN 2
#define DHTTYPE DHT22

// Initialize DHT sensor
DHT dht(DHTPIN, DHTTYPE);

// Initialize LCD
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Change the address if needed

void setup() {
  // Initialize serial communication
  Serial.begin(9600);

  // Initialize DHT sensor
  dht.begin();

  // Initialize LCD
  lcd.init();
  lcd.backlight();

  // Print initial message on LCD
  lcd.setCursor(0, 0);
  lcd.print("Temperature:");
  lcd.setCursor(0, 1);
  lcd.print("Humidity:");
}

void loop() {
  // Read temperature and humidity data from DHT sensor
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Display temperature and humidity on serial monitor
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C, Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");

  // Display temperature and humidity on LCD
  lcd.setCursor(12, 0);
  lcd.print(temperature);
  lcd.setCursor(12, 1);
  lcd.print(humidity);

  // Wait for 1 second
  delay(1000);
}