const int buzz = 26;
void setup() {
  Serial.begin(115200);
  pinMode(14, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(buzz, OUTPUT);
  Serial.println("DImulai");
}

void loop() {
  digitalWrite(14,HIGH);
  tone(buzz,200);
  delay(1000);
  digitalWrite(14, LOW);
  digitalWrite(12,HIGH);
  tone(buzz,400);
  delay(1000);
  digitalWrite(12, LOW);
  digitalWrite(13,HIGH);
  tone(buzz,800);
  delay(1000);
  digitalWrite(13, LOW);
  noTone(500);
  delay(1000);
}