/*
 Morse Code
  Turns on an LED on and off according to the letters/numbers/words you place in the loop.
 
  This is the first thing I have ever coded, hope you enjoy!
  By: Heather Kendrick
 */

void setup() {                
  // initialize the digital pin as an output.
  // Pin 13 has an LED connected on most Arduino boards:
  pinMode(13, OUTPUT);     
}

void loop() {
letter_h();
letter_e();
letter_l();
letter_l();
letter_o();
delay(500);
letter_w();
letter_o();
letter_r();
letter_l();
letter_d();
delay(500);
  
}

void letter_a()
{
   digitalWrite(13, HIGH);   //a begin
  delay(100);              
  digitalWrite(13, LOW);   
  delay(100);           
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_b()
{
   digitalWrite(13, HIGH);   //b begin
  delay(500);              
  digitalWrite(13, LOW);   
  delay(100);           
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100); 
}
void letter_c()
{
   digitalWrite(13, HIGH);   //c begin
  delay(500);              
  digitalWrite(13, LOW);   
  delay(100);           
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_d()
{
  digitalWrite(13, HIGH);   //d begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_e()
{
  digitalWrite(13, HIGH);   //e begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_f()
{
  digitalWrite(13, HIGH);  //f begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_g()
{
  digitalWrite(13, HIGH);  //g begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_h()
{
  digitalWrite(13, HIGH);   //h begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_i()
{
  digitalWrite(13, HIGH);   //i begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_j()
{
  digitalWrite(13, HIGH);   //j begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_k()
{
  digitalWrite(13, HIGH);  //k begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_l()
{
  digitalWrite(13, HIGH);  //l begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_m()
{
  digitalWrite(13, HIGH);  //m begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_n()
{
  digitalWrite(13, HIGH);  //n begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_o()
{
  digitalWrite(13, HIGH);     //O begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(500);
}
void letter_p()
{
  digitalWrite(13, HIGH);  //p begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}  
void letter_q()
{
  digitalWrite(13, HIGH);  //q begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_r()
{
  digitalWrite(13, HIGH);  //r begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_s()
{
    digitalWrite(13, HIGH);   //S begin
  delay(100);              
  digitalWrite(13, LOW);   
  delay(100);           
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(500);
}
void letter_t()
{
  digitalWrite(13, HIGH);  //t begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_u()
{
  digitalWrite(13, HIGH);  //u begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_v()
{
  digitalWrite(13, HIGH);  //v begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_w()
{
  digitalWrite(13, HIGH);  // w begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_x()
{
  digitalWrite(13, HIGH);  //x begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_y()
{
  digitalWrite(13, HIGH);  //y begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void letter_z()
{
  digitalWrite(13, HIGH);  //z begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void number_1()
{
  digitalWrite(13, HIGH);  //1 begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void number_2()
{
  digitalWrite(13, HIGH);  //2 begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void number_3()
{
  digitalWrite(13, HIGH);  //3 begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void number_4()
{
  digitalWrite(13, HIGH);  //4 begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}
void number_5()
{
  digitalWrite(13, HIGH);  //5 begin
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void number_6()
{
  digitalWrite(13, HIGH);  //6 begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void number_7()
{
  digitalWrite(13, HIGH);  //7 begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void number_8()
{
  digitalWrite(13, HIGH);  //8 begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}
void number_9()
{
  digitalWrite(13, HIGH);  //9 begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);
}

void number_0()
{
  digitalWrite(13, HIGH);  //0 begin
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(100);
}