#include "DHT.h"

#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);

int PotiPin = A1;
int ledGPin = 8;
int ledRPin = 4;
int PotiValue = 0;

void setup() {
  pinMode(ledGPin, OUTPUT);
  pinMode(ledRPin, OUTPUT);
  
  Serial.begin(115200);

  dht.begin();
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  PotiValue = analogRead(PotiPin);
  PotiValue = PotiValue / 20;          //Digits in ungefähr °C

  if (temperature > PotiValue) {
    digitalWrite(ledRPin, HIGH);
    digitalWrite(ledGPin, LOW);
  }
  else {
    digitalWrite(ledRPin, LOW);
    digitalWrite(ledGPin, HIGH);
  }

  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  Serial.print(F("Feuchte: "));
  Serial.print(humidity);
  Serial.print(F(" %rF  Temperatur: "));
  Serial.print(temperature);
  Serial.print(F(" °C  Sollwert:  "));
  Serial.print(PotiValue);
  Serial.println(F(" °C "));

  // Wait a few seconds between measurements.
  delay(2000);
}