int led = 13;

void dot() {
  digitalWrite(led, HIGH);
    delay(200);
      digitalWrite(led, LOW);
        delay(200);
        }

        void dash() {
          digitalWrite(led, HIGH);
            delay(600);
              digitalWrite(led, LOW);
                delay(200);
                }

                void setup() {
                  pinMode(led, OUTPUT);
                  }

                  void loop() {
                    // S = ...
                      dot(); dot(); dot();
                        delay(400);

                          // O = ---
                            dash(); dash(); dash();
                              delay(400);

                                // L = .-..
                                  dot(); dash(); dot(); dot();
                                    delay(400);

                                      // A = .-
                                        dot(); dash();
                                          delay(400);

                                            // R = .-.
                                              dot(); dash(); dot();
                                                delay(1500);
                                                }