#include "DHT.h"
#define DHTPIN D2
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  dht.begin();
}

void loop() {
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();
  Serial.print("Temp: "); Serial.print(temp); Serial.print(" °C  ");
  Serial.print("Humidity: "); Serial.println(hum);
  delay(2000);
}