#include <DHT.h>
#include <LiquidCrystal.h> // Include this if using the LCD

#define DHTPIN 2       // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22  // Change to DHT22 for the DHT22 sensor

DHT dht(DHTPIN, DHTTYPE);

// Initialize the LCD with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  Serial.begin(9600);
  dht.begin();
  lcd.begin(16, 2);  // Initialize the LCD for 16x2 characters
  lcd.clear();       // Clear the LCD display
  delay(500);        // Allow time for the LCD to initialize
}

void loop() {
  // Wait a few seconds between measurements.
  delay(2000);

  // Reading temperature or humidity takes about 250 milliseconds!
  float h = dht.readHumidity();
  float t = dht.readTemperature();

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print temperature and humidity to Serial Monitor
  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.println(" *C ");

  // If using the LCD, display temperature and humidity
  lcd.setCursor(0, 0);  // Set the cursor to the first row, first column
  lcd.print("Temp: ");
  lcd.print(t);
  lcd.print(" C");

  lcd.setCursor(0, 1);  // Set the cursor to the second row, first column
  lcd.print("Hum: ");
  lcd.print(h);
  lcd.print(" %");
}