#include "DHT.h"

#define DHTTYPE DHT11
#define DHTPIN D3

DHT dht(DHTPIN, DHTTYPE);

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

void loop() {

  delay(2000);

  // 湿度
  float h = dht.readHumidity();
  // 摄氏温度温度
  float t = dht.readTemperature();


  if (isnan(h) || isnan(t)) {
    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 "));
}