#define T_DIT 250
#define T_DAH 3*T_DIT
#define T_BRAKE 3*T_DIT


void punkt(){
  
  digitalWrite(13, HIGH);
  delay(T_DIT);
  digitalWrite(13, LOW);
  delay(T_DIT);
}


void strich(){

  digitalWrite(13, HIGH);
  delay(T_DAH);
  digitalWrite(13, LOW);
  delay(T_DAH);
}


void s(){
  punkt();
  punkt();
  punkt();
  delay(T_BRAKE);
}


void o(){
  strich();
  strich();
  strich(); 
  delay(T_BRAKE);
}




void setup() {
  // put your setup code here, to run once:
  
  pinMode(13, OUTPUT);
}



void loop() {
  // put your main code here, to run repeatedly:
  //Morse_Code

  //  S:
  s();

  // O:
  o();

 //  S:
  s();

  delay(T_BRAKE);
}