ArduinoMorse.ino

int morse[15] = {2,2,1,1,0,1,1,1,1,0,1,2,0,2,1};//zhan in morse
int total;
int current = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(LED_BUILTIN,OUTPUT);

  total = sizeof( morse ) / sizeof( int );
}

void loop() {

  digitalWrite(LED_BUILTIN, 1);
  
  //short
  if(morse[current] == 1){
    delay(50);
  }
  //long
  if(morse[current] == 2){
    delay(500);
  }
  
  digitalWrite(LED_BUILTIN, 0);
  //pause
  delay(500);
  current++;
  if(current > total) current = 0;
  
}