#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>

#define DHTPIN 12      
//#define DHTTYPE    DHT11   
#define DHTTYPE    DHT22     

DHT_Unified dht(DHTPIN, DHTTYPE);

uint32_t delayMS;

void setup() {

  Serial.begin(9600);
 
  dht.begin();
  
  sensor_t sensor;

  dht.temperature().getSensor(&sensor);
  
  dht.humidity().getSensor(&sensor);
 
  delayMS = sensor.min_delay / 1000;
}

void loop() {
  delay(delayMS);
  
  sensors_event_t event;
 
  dht.temperature().getEvent(&event);
 
  if (isnan(event.temperature)) {
 
    Serial.println(F("Error reading temperature!"));
  }
 
  else {
 
    Serial.print(F("Temperature: "));
 
    Serial.print(event.temperature);
 
    Serial.println(F("°C"));
  }
 
  dht.humidity().getEvent(&event);
 
  if (isnan(event.relative_humidity)) {
 
    Serial.println(F("Error reading humidity!"));
 
  }
 
  else {
 
    Serial.print(F("Humidity: "));
 
    Serial.print(event.relative_humidity);
 
    Serial.println(F("%"));
 
  }

}