#include <LiquidCrystal_I2C.h>

int litarR = 9;
int petGelb = 8;
int desetG = 7;
int pumpenRelais = 11;
int led = 12;
int statusl = 0;
int statusp = 0;
int statusd = 0;

LiquidCrystal_I2C lcd(0x27,16,2);

void setup() {

pinMode(litarR,INPUT);
pinMode(petGelb,INPUT);
pinMode(desetG,INPUT);
pinMode(pumpenRelais,OUTPUT);
pinMode(led,OUTPUT);
lcd.init();
lcd.backlight();

}

void loop() {
  statusl = digitalRead(litarR);
  statusp = digitalRead(petGelb);
  statusd = digitalRead(desetG);
  lcd.setCursor(0,0);
  lcd.println ("Dosiermenge fuer:");
  lcd.setCursor(0,1);

  if (statusl == HIGH){
    digitalWrite(pumpenRelais, HIGH);
    digitalWrite(led, HIGH);
    lcd.println("1 Liter = 5ml");
    delay (1000);
    lcd.clear();
  }
  else if (statusp == HIGH){
    digitalWrite(pumpenRelais, HIGH);
    digitalWrite(led, HIGH);
    lcd.println("5 Liter = 25ml");
    delay (5000);
    lcd.clear();
  }
  else if (statusd == HIGH) {
    digitalWrite(pumpenRelais,HIGH);
    digitalWrite(led, HIGH);
    lcd.println("10 Liter = 50ml");
    delay (10000);
    lcd.clear();
  }
  else {
    digitalWrite(pumpenRelais, LOW);
    digitalWrite(led, LOW);
  }

}