int AnzahlLED = 10;
int LEDPin[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
int PotPin = A0;
int PotWert;
int helligkeit;


void setup() {

  pinMode(PotPin, INPUT);

  for (int i = 0; i <= AnzahlLED; i++) {

    pinMode(LEDPin[i], OUTPUT);
  }

}

void loop() {
  PotWert = analogRead(PotPin);
  helligkeit = map(PotWert, 0, 1023, 0, 255);



  for (int i = 0; i <= AnzahlLED; i++) {

    digitalWrite(LEDPin[i], helligkeit);
    delay(100);


  }


}