mosscodeNEMO

/*
摩斯密码
通过灯光闪烁表示摩斯密码NEMO
N:长短；E：短；M：长长；O：长长长；
*/

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(LED_BUILTIN, OUTPUT);
  
}
  int long_signal = 1000;
  int short_signal = 100;
  int delay_between_each_signal = 500;
  int delay_between_each_letter = 2000;
  int delay_of_whole_word = 5000;
// the loop function runs over and over again forever
void loop() {
  digitalWrite(LED_BUILTIN, HIGH);   
  delay(long_signal);                       
  digitalWrite(LED_BUILTIN, LOW);    
  delay(delay_between_each_signal); 
  digitalWrite(LED_BUILTIN, HIGH);   
  delay(short_signal);
  digitalWrite(LED_BUILTIN, LOW); 
  delay(delay_between_each_signal);
  delay(delay_between_each_letter); // N
  
  digitalWrite(LED_BUILTIN, HIGH);   
  delay(short_signal);
  digitalWrite(LED_BUILTIN, LOW); 
  delay(delay_between_each_signal);
  delay(delay_between_each_letter); // E

  digitalWrite(LED_BUILTIN, HIGH);   
  delay(long_signal);                       
  digitalWrite(LED_BUILTIN, LOW);    
  delay(delay_between_each_signal);
  digitalWrite(LED_BUILTIN, HIGH);   
  delay(long_signal);                       
  digitalWrite(LED_BUILTIN, LOW);    
  delay(delay_between_each_signal);
  delay(delay_between_each_letter); // M

  digitalWrite(LED_BUILTIN, HIGH);   
  delay(long_signal);                       
  digitalWrite(LED_BUILTIN, LOW);    
  delay(delay_between_each_signal);
  digitalWrite(LED_BUILTIN, HIGH);   
  delay(long_signal);                       
  digitalWrite(LED_BUILTIN, LOW);    
  delay(delay_between_each_signal);
  digitalWrite(LED_BUILTIN, HIGH);   
  delay(long_signal);                       
  digitalWrite(LED_BUILTIN, LOW);    
  delay(delay_between_each_signal);
  delay(delay_between_each_letter); // O
  delay(delay_of_whole_word);
}