#include "DHT.h"

// Define DHT sensor type and pin
#define DHTPIN 26         // GPIO pin where the DHT22 is connected
#define DHTTYPE DHT22    // DHT 22 (AM2302)

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

void setup() {
  Serial.begin(115200);
  Serial.println(F("DHT22 sensor reading..."));
  
  dht.begin();
}

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

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

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

  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C"));
}