---

int svetodiodi[] = {2, 3, 4, 5, 6, 7, 8};
int noti[] = {262, 294, 330, 349, 392, 440, 494};

void setup() {
  for (int i = 0; i < 7; i++) {
    pinMode(svetodiodi[i], OUTPUT);
  }
  pinMode(9, OUTPUT);
}

void loop() {
  for (int i = 0; i < 7; i++) {
    digitalWrite(svetodiodi[i], HIGH);
    tone(9, noti[i]);
    delay(1428);
    digitalWrite(svetodiodi[i], LOW);
    noTone(9);
  }
}