// Define the pin for the external light
//#define EXTERNAL_LIGHT_PIN 2 // You can connect your external light to any digital pin

void setup() {
  // Initialize the pin for the external light as an output
  pinMode(13, OUTPUT);
}

void loop() {
// Turn off the external light - delay start
  digitalWrite(13, LOW);
  delay(3500); // Wait for 1 second

  // flash l
  digitalWrite(13, HIGH);
  delay(350); // Wait for 0.5 second (dot dash dot dot)


  // 2s gap between characters
  digitalWrite(13, LOW);
  delay(2000); // Wait for 1 second

  // flash e
  // dot
  digitalWrite(13, HIGH);
  delay(1000); // dot

  // Turn off the external light - red
  digitalWrite(13, LOW);
  delay(700); // Wait for 1 second

// dash
  digitalWrite(13, HIGH);
  delay(1000); // dash

  // Turn off the external light - red
  digitalWrite(13, LOW);
  delay(700); // Wait for 1 second

// dot
  digitalWrite(13, HIGH);
  delay(350); // Wait for 0.5 second (dot)

  // 2s gap between characters
  digitalWrite(13, LOW);
  delay(2000); // Wait for 1 second

  // flash a
  // dot dash
  digitalWrite(13, HIGH);
  delay(1000); // dot dash

   // flash d
  // dash dot dot
  digitalWrite(13, HIGH);
  delay(1000); // dash dot dot
 
 // Turn off the external light - red
  digitalWrite(13, LOW);
  delay(700); // Wait for 1 second

// dash
  digitalWrite(13, HIGH);
  delay(1000); // dash

  // Turn off the external light - red
  digitalWrite(13, LOW);
  delay(700); // Wait for 1 second

// dot
  digitalWrite(13, HIGH);
  delay(350); // Wait for 0.5 second (dot)


}