#include "DHT.h"            // DHT-sensor-library von Adafruit laden 
#define DHTPIN 2            // Der Sensor wird an PIN 2 angeschlossen 
#define DHTTYPE DHT22       // DHT22 Sensor 
DHT dht(DHTPIN, DHTTYPE);   // Eine Instanz (Objekt) der Klasse DHT 
float Temp;
float Humanity;
float maxTemp;
float maxHumanity;
int interval = 2000;
int zaehler = 0;
unsigned long Time;
#define LED_Gruen  4;
#define LED_Rot    5;
#define Taster     3;

// Der Sensor wird jetzt mit "dth" angesprochen 
void setup() { 
Serial.begin(9600);
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
pinMode(3,INPUT_PULLUP);
unsigned long Time = millis();

// Serielle Verbindung starten 
dht.begin();              // DHT22 Sensor starten 
} 


void loop() { 

if (millis() - Time >= interval)
{

  if (Taster == HIGH)
  {
    dht.readTemperature();
  }

  else
  {
    dht.readHumanity();
  }

  Temp = dht.readTemperature();

  if (Temp < maxTemp && Taster == HIGH)
  {
    digitalWrite(LED_Rot, LOW);
    digitalWrite(LED_Gruen, HIGH);
  }

  else
  {
    digitalWrite(LED_Gruen, LOW);
    digitalWrite(LED Rot, HIGH);
  }
  
  Humanity = dht.readHumanity();

  if (Humanity < maxHumanity && Taster == LOW)
    {
      digitalWrite(LED_Rot, LOW);
      digitalWrite(LED_Gruen, HIGH);
    }

  else
  {
    digitalWrite(LED_Gruen, LOW);
    digitalWrite(LED Rot, HIGH);
  }


Time = millis();

Serial.println("Temperatur: ");
Serial.print(Temp\ln);
Serial.println("Humanity: ");
Serial.print(Humanity\ln);