DHT22

    #include <DHT.h>

    #define DHTPIN 6

    #define DHTYPE DHT22

    DHT dht(DHTPIN, DHTYPE);

    void setup(){
      Serial.begin(115200);
      Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
    }
    void loop(){
      Serial.print("DHT22, \t");
       delay(2000);

      // Reading temperature or humidity takes about 250 milliseconds!
      // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
      float h = dht.readHumidity();
      // Read temperature as Celsius
      float t = dht.readTemperature();
      // Read temperature as Fahrenheit
      float f = dht.readTemperature(true);

      Serial.print("Humidity: ");
      Serial.print(h);
      Serial.print(" %\t");
      Serial.print("Temperature: ");
      Serial.print(t);
      Serial.print(" *C ");
      Serial.print(f);
      Serial.println(" *F\t");

    }