const byte buttonPin = 11;
const byte ledPin = 13;
const byte buzzer = 9;

bool Tester = false;
bool lineTester = false;
bool buttonState = false;
bool lastButtonState = false;

const int pause_value = 400;  // depending on your skill and how fast your fingers are you can change this value to make typing a message faster or slower
long signal_length = 0;
long pause = 0;
long lastDebounceTime = 0;
long debounceDelay = 0;

String morse = "";
String dash = "-";
String dot = "*";
String Text = "";


void setup() {
  Serial.begin(9600);
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzer, OUTPUT);
  Serial.println("Welcome to Arduino-Uno morse ");
  Serial.println("Press button to start making morse code");
  while (digitalRead(buttonPin)==LOW);
}

void loop() {
  buttonState = digitalRead(buttonPin)==HIGH;
  if (buttonState && lastButtonState) {      
    ++signal_length;
    
    if (signal_length < 2 * pause_value)tone(buzzer, 1500);
    else tone(buzzer, 1000);
  }
  else if (!buttonState && lastButtonState) {         
    if (signal_length > 0 && signal_length < 2 * pause_value )morse += dot;
    else if (signal_length > 2 * pause_value)morse += dash;
    signal_length = 0;
    digitalWrite(13, LOW);
    noTone(buzzer);
  }
  else if (buttonState && !lastButtonState) {   
    pause = 0;
    digitalWrite(13, HIGH);
    Tester = true;
    lineTester = true;
  }
  else if (!buttonState && !lastButtonState)  {
    ++pause;
    if (( pause > 3 * pause_value ) && (Tester)) {
      Drucker(morse);
      Tester = false;
      morse = "";
    }
    if ((pause > 15 * pause_value) && (lineTester)) {
      Serial.println();
      lineTester = false;
    }
  }
  lastButtonState = buttonState;
  delay(1);
}


void Drucker(String Translator)   {
  if (Translator=="*-")
    Serial.print("A");
  else if (Translator=="-***")  
    Serial.print("B");
  else if (Translator=="-*-*")  
    Serial.print("C");
  else if (Translator=="-**")  
    Serial.print("D");
  else if (Translator=="*")  
    Serial.print("E");
  else if (Translator=="**-*")  
    Serial.print("F");
  else if (Translator=="--*")  
    Serial.print("G");
  else if (Translator=="****")  
    Serial.print("H");
  else if (Translator=="**")  
    Serial.print("I");
  else if (Translator=="*---")  
    Serial.print("J");
  else if (Translator=="-*-")  
    Serial.print("K");
  else if (Translator=="*-**")  
    Serial.print("L");
  else if (Translator=="--")  
    Serial.print("M");
  else if (Translator=="-*")  
    Serial.print("N");
  else if (Translator=="---")  
    Serial.print("O");
  else if (Translator=="*--*")  
    Serial.print("P");
  else if (Translator=="--*-")  
    Serial.print("Q");
  else if (Translator=="*-*")  
    Serial.print("R");
  else if (Translator=="***")  
    Serial.print("S");
  else if (Translator=="-")  
    Serial.print("T");
  else if (Translator=="**-")  
    Serial.print("U");
  else if (Translator=="***-")  
    Serial.print("V");
  else if (Translator=="*--")  
    Serial.print("W");
  else if (Translator=="-**-")  
    Serial.print("X");
  else if (Translator=="-*--")  
    Serial.print("Y");
  else if (Translator=="--**")  
    Serial.print("Z");

  else if (Translator=="*----")  
    Serial.print("1");
  else if (Translator=="**---")  
    Serial.print("2");
  else if (Translator=="***--")  
    Serial.print("3");
  else if (Translator=="****-")  
    Serial.print("4");
  else if (Translator=="*****")  
    Serial.print("5");
  else if (Translator=="-****")
    Serial.print("6");
  else if (Translator=="--***")  
    Serial.print("7");
  else if (Translator=="---**")  
    Serial.print("8");
  else if (Translator=="----*")  
    Serial.print("9");
  else if (Translator=="-----")  
    Serial.print("0");
  else if (Translator=="*-*-*-")
  Translator=""; 
}