SOS Blink to test out new Arduino Boards

sos_blink.ino

/*
  SOS Blink

  My usual GO-TO script to test out a new Arduino board.

*/

int dotLen = 150;           // length of the morse 'dot'
int dashLen = dotLen * 3;   // length of the morse 'dash'
int elemPause = dotLen;     // pause between 'dots' and 'dashes'
int charPause = dotLen * 3; // pause between characters
int wordPause = dotLen * 7; // pause between words
int ledPin = LED_BUILTIN;   // LED pin, built-in LED as a default

// DOT
void MorseDot() {
  digitalWrite(ledPin, HIGH); // turn the LED on
  delay(dotLen);              // hold that state
}

// DASH
void MorseDash() {
  digitalWrite(ledPin, HIGH); // turn the LED on
  delay(dashLen);             // hold that state
}

// LED Off
void LightsOff(int delayTime) {
  digitalWrite(ledPin, LOW); // turn the LED off
  delay(delayTime);          // hold that state
}


// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(ledPin, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {

  // SOS
  // S
  MorseDot();
  LightsOff(elemPause);
  MorseDot();
  LightsOff(elemPause);
  MorseDot();
  LightsOff(charPause);

  //O
  MorseDash();
  LightsOff(elemPause);
  MorseDash();
  LightsOff(elemPause);
  MorseDash();
  LightsOff(charPause);

  //S
  MorseDot();
  LightsOff(elemPause);
  MorseDot();
  LightsOff(elemPause);
  MorseDot();
  LightsOff(wordPause);  
}