#include "DHT.h"

#define DHTPIN 15       // GPIO pin connected to DHT22 data
#define DHTTYPE DHT22   // Change to DHT11 if using that sensor

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println("DHT22 Temperature & Humidity Logger");
  dht.begin();
}

void loop() {
  // Wait a bit between measurements
  delay(2000);

  // Reading temperature/humidity takes ~250ms
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature(); // Celsius
  // float temperatureF = dht.readTemperature(true); // Fahrenheit

  // Check if readings failed
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print readings
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print(" %\t");

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" °C");
}