morse code

hi guys ! i'am new arduino , made project translates letters dashes , dots (the letters of morse code).
i have output of buzzer , led. iam looking advices improve project or myself. planned make telegraphy can translate normal letters or translate letters dashes , dots...  1 of friends told me may use radio waves. googled nothing came up.   so iam looking advices or informations. thank attention !

it basic if wish can use without having permition.

a simple way make code whole lot shorter , easier modify

code: [select]

void writedot ()
{
  digitalwrite(zil , high);
  delay(150);
  digitalwrite(zil , low);
  delay(100);
}

void writedash ()
{
  digitalwrite(zil , high);
  delay(450);
  digitalwrite(zil , low);
  delay(100);
}

(there other ways)

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