int led = 5;
int taster = 7;
int tasterstatus = LOW;
int ledstatus = LOW;
int statusmerker = LOW;
int modus = 0;

void setup() {
  pinMode(led, OUTPUT);
  pinMode(taster, INPUT);
  Serial.begin(9600);
}

void loop()
{
  tasterstatus = digitalRead(taster);

  if (tasterstatus == LOW) {
    statusmerker = LOW;
  }
  if (tasterstatus == HIGH && statusmerker == LOW)
  {
    statusmerker = HIGH;
    Serial.println(modus);
    modus++;
    Serial.println(modus);
    if (modus == 4) {
      modus = 0;
    }

  }
  if (modus == 0) {
    digitalWrite(led, LOW);
  }
  if (modus == 1) {
    digitalWrite(led, HIGH);
  }
  if (modus == 2)
  {
    ledstatus = !ledstatus;
    digitalWrite(led, ledstatus);
    delay(200);

  }
  if (modus == 3)
  {
    ledstatus = !ledstatus;
    digitalWrite(led, ledstatus);
    delay(400);


  }
  //Serial.println(modus);
  delay(100);
}