int pin = 7;
int buttonPin = 4;
int delayTime = 250;

void setup() {
  pinMode(7, OUTPUT);
  pinMode(buttonPin, INPUT_PULLUP);
}

void loop() {
  

  // Button an aus Schalter
  int buttonState = digitalRead(buttonPin);


  // If the button is pressed (buttonState is LOW)
  if (buttonState == LOW) {
    // Turn the LED on
    digitalWrite(pin, HIGH);
  } else {
    // Turn the LED off
    digitalWrite(pin, LOW);
  }
  
  /*
  // LED blinken
  digitalWrite(pin, HIGH);
  delay(delayTime);
  digitalWrite(pin, LOW);
  delay(delayTime);
  */
}