int FastOn = 150;
int FastOff = 150;
int SlowOn = 500;
int SlowOff = 300;
int NewLetter = 0700;
int NewWord = 3000;
int buttonState = 0; 
char data = 'X'; 
const int buttonPin = 2; 

/*
int FastOn = 10;
int FastOff = 10;
int SlowOn = 20;
int SlowOff = 10;
int NewLetter = 30;
int NewWord = 50;
int buttonState = 0; 
char data = 'X'; 
const int buttonPin = 2; 
*/

void setup() {
  pinMode(7, OUTPUT);
  pinMode(buttonPin, INPUT);
  Serial.begin(9600);
}

void loop() {
 buttonState = digitalRead(buttonPin);
data = Serial.read();

if(data=='s')
{
  Serial.println(data );
  delay(1000);
}
  
 if(buttonState == HIGH or data=='s')
 {

  Serial.print("S " );
  for(int x = 0;x < 3;x++)
  {

  digitalWrite(7, HIGH);  
  delay(FastOn);      
  digitalWrite(7, LOW);    
  delay(FastOff);    
  }
  delay(NewLetter);  
  
       Serial.print("O " ); 
    for(int x = 0;x < 3;x++)
  {
    

  digitalWrite(7, HIGH); 
  delay(SlowOn);
  digitalWrite(7, LOW); 
  delay(SlowOff);    
  }  
       delay(NewLetter); 
    
 Serial.print("S " );   
  for(int x = 0;x < 3;x++)
  {

  digitalWrite(7, HIGH);   
  delay(FastOn);            
  digitalWrite(7, LOW); 
  delay(FastOff);    
  }
   Serial.println("" );
     delay(NewWord); 
  }
}