#include <DHT.h>

#define dhtpin 2
#define DHTTYPE DHT22

DHT dht(dhtpin, DHTTYPE);
void setup() {
  // put your setup code here, to run once:
  dht.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
 float a1 = dht.readTemperature();
}