#include <Wire.h>
#include <LiquidCrystal_I2C.h>
int pinFM = A1;
int pinServo = A2;
int optimalwert = 200;
int pinlcd = A3;


void setup() {
  s1.attach(pinServo);
  pinMode (pinFM, OUTPUT)
  serial.begin (9600);
  lcd.init (pinlcd);
  lcd.backlight;
}

void loop() {
  int Messwert = analogRead(pinFM);
  serial.write(Messwert);
  lcd.clear;
  lcd.setCursor(0,0);
  lcd.print("Wasserstand:")
  lcd.setCursor(0,1);
  lcd.print (Messwert);
  if (Messwert < optimalwert-20) {
    s1.write(pinFM, 180);
    //Ventil öffnen
    lcd.clear;
    lcd.setCursor(0,0);
    lcd.print(Zu wenig Wasser!):
  }
  if (Messwert >= optimalwert+20) {
    s1.write (pinFM, 0)
    //Ventil schließen
    lcd.clear;
    lcd.setCursor(0,0);
    lcd.print("Optimaler");
    lcd.setCursor(0,1);
    lcd.print("Wasserstand");
    delay (100);
  }
}