#include "DHT.h"
DHT dht(2, DHT22);  // funcao DHT passa parametros para dht.begin e para as linhas dht.read... que sao comandos da DHT lib,

void setup()

{
  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));
  dht.begin();

}

void loop()
{
  delay(2000);
  float h = dht.readHumidity();     // Read temperature as Celsius (the default)
  float t = dht.readTemperature();  // Read humidity as Celsius (the default)


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

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