#include <LiquidCrystal_I2C.h>
#include <dht11.h>
#include <Wire.h>


dht11 DHT11;
#define DHT11PIN 8
int AmpelRot = 9;
int AmpelGelb = 10;
int AmpelGruen = 11;
int RelF = 56;



LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {


  lcd.begin();
  lcd.print("Initialisierung...");

  lcd.clear();

  pinMode(9,OUTPUT);
  pinMode(10,OUTPUT);
  pinMode(11,OUTPUT);



}

void loop() {


int chk = DHT11.read(DHT11PIN);

/*AMPEL*/
  /*Ampel ROT*/
   if (RelF > 74.5 && RelF < 100.00 )
      {
        digitalWrite(AmpelGruen,LOW);
        digitalWrite(AmpelGelb,LOW);
        digitalWrite(AmpelRot,HIGH);

      }

  /*Ampel GELB*/
   if (RelF < 74.5 && RelF > 54.5 )
      {
        digitalWrite(AmpelGruen,LOW);
        digitalWrite(AmpelGelb,HIGH);
        digitalWrite(AmpelRot,LOW);
      }
  /*Ampel GRÜN*/
  if ( RelF >= 9.5 && RelF <= 45.5 )
      {
        digitalWrite(AmpelGruen,HIGH);
        digitalWrite(AmpelGelb,LOW);
        digitalWrite(AmpelRot,LOW);
      }

/*LCD*/
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print((float)DHT11.temperature, 2);
  lcd.print(" C");

  lcd.setCursor(0, 1);
  lcd.print("RelF: ");
  lcd.print((float)DHT11.humidity, 2);
  lcd.print(" %");

  delay(500);

}