#define LED 13
#define Button 5
void setup() {
  // put your setup code here, to run once:
pinMode(Button,INPUT_PULLUP);
pinMode(LED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
if(digitalRead(Button) == LOW) {
 
      if(digitalRead(LED) == HIGH){
        digitalWrite(LED, LOW);
        delay(250);
      } else {
        digitalWrite(LED, HIGH);
        delay(250);
      }
     //warten bis Taster Pin wieder HIGH
     //while do Schleife
    //do {
     // }while(digitalRead(Button) == LOW) {
       //mache nichts
      // }
    //for(;digitalRead(Button) == LOW;) {
 
   // }
   
     delay(125);
    }
}