Gomb

#define INAKTIV (0)
#define AKTIV_2S (1)
#define AKTIV_2S_ELENGEDETT (2)
#define AKTIV_10S (3)

#define IDO_2S  (1000 * 2)
#define IDO_8S  (1000 * 8)

#define GOMB (9)
#define KIMENET (13)

int state = INAKTIV;
long long timestamp;

void setup() {
  // put your setup code here, to run once:
  pinMode(GOMB, INPUT_PULLUP);
  pinMode(KIMENET, OUTPUT);
}

void loop() {
  switch(state){
    case INAKTIV:
      if(digitalRead(GOMB) == LOW){
        state = AKTIV_2S;
        timestamp = millis() + IDO_2S;
        digitalWrite(KIMENET, HIGH);
      }
    break;
    case AKTIV_2S:
      if(timestamp < millis()){
        state = AKTIV_10S;
        timestamp += IDO_8S;
      }
      else if(digitalRead(GOMB) == HIGH){
        state = AKTIV_2S_ELENGEDETT;
      }
    break;
    case AKTIV_2S_ELENGEDETT:
      if(timestamp < millis()){
        state = INAKTIV;
        digitalWrite(KIMENET, LOW);
      }
    break;
    case AKTIV_10S:
      if(digitalRead(GOMB) == HIGH || timestamp < millis()){
        state = INAKTIV;
        digitalWrite(KIMENET, LOW);
      }
    break;
  }
}