#include "DHT.h"

#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  dht.begin();

  }
 
void loop() {

    float h = dht.readHumidity();
    float t = dht.readTemperature();
    Serial.print("TEMP: ");
    Serial.print(t);
    Serial.print("   HUM: ");
    Serial.println(h);
 
    if (isnan(t)) {
       Serial.println(F("Failed to read from DHT sensor!"));   
    }   
}