#include "DHT.h"
#include "LiquidCrystal_I2C.h"

//define I2C address......
LiquidCrystal_I2C lcd(0x27,16,2);

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

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  Serial.println(F("DHT22 example!"));
  dht.begin();
  lcd.init();
  lcd.clear();
  lcd.backlight();
}

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

  // 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("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));



  lcd.clear();
  lcd.setCursor(2,0);
  lcd.print(humidity);
  lcd.print(F(" %"));
  lcd.setCursor(2,1);
  lcd.print(temperature);
  lcd.print((char)223);
  lcd.println(F("C"));
  // Wait a few seconds between measurements.
  delay(1500);
  //messung Wartezeit anzeigen
  lcd.clear();
  lcd.setCursor(2,0);
  lcd.print("Messung"); 
  for (int zaehler=1; zaehler<4; zaehler = zaehler+1)
  {
  lcd.print(".");
  delay(166);
  }

}