#include <EEPROM.h>

#define licht A0
#define pumpe 2
#define ADCMAX 1023.0
#define LMAX 5000.0
#define UMAX 2.0

uint8_t Feucht_sensor[4] = {A1, A2, A3, A4, A5};
uint8_t humidity[4];

float lichtgrenze = 750;
float feuchtgrenze = 1.2;
float pumpzeit = 20000;
float x;





void setup() {
  Serial.begin(9600);
  pinMode(pumpe, OUTPUT);
  Serial.println("");

  EEPROM.get(0, pumpzeit);

  if(pumpzeit < 10000 || pumpzeit > 60000)
  {
    pumpzeit = 20000;
  }
  analogReference(2); // 2V
}

void loop() {
  if(Serial.available() > 0)
  {
    float x;
    x = Serial.parseFloat();
    
    if(x>= 10 && x <= 60)
    {
      pumpzeit = x * 1000;
      EEPROM.put(0, pumpzeit);
      Serial.print("Die neue Pumpzeit ist");
      Serial.println(x);
    }
    else
    {
      Serial.println("Ungültige eingabe");
    }
  }
  for(int i = 0; i < 5; i++)
	{
		humidity[i] = 5 / adcMax * analogRead(Feucht_sensor[i]);	// adc -> Volt
    if(humidity[i] => feuchtgrenze)
    {
      x++;
    }
	}
  if((x => 3) && LMAX / ADCMAX * analogRead(licht) > lichtgrenze && UMAX / ADCMAX * analogRead(feucht) > feuchtgrenze)
  {
    digitalWrite(pumpe, HIGH);
    delay(pumpzeit);
    digitalWrite(pumpe, LOW);
  }
  else
  {
    delay(2000);
  }
}