#include <SimpleDHT.h>

int temperatur = 0;
byte temperature = 0;
byte humidity = 0;

SimpleDHT22 dht22(3);

void setup() {
  Serial.begin(9600);
  pinMode(6, OUTPUT);
  Serial.println("\n\n\nReady!");
}

void loop() {
  int err = SimpleDHTErrSuccess;
  if ((err = dht22.read(&temperature, &humidity, NULL)) != SimpleDHTErrSuccess) {
    Serial.println("Fehler!");
    return;
  }
  if ((int)temperature > 22) {
    digitalWrite(6, HIGH);
  } else {
    digitalWrite(6, LOW);
  }
  Serial.print((int)temperature);
  Serial.print(" *C, ");
  Serial.print((int)humidity);
  Serial.println(" RH%");
  delay(500);
}