const int ledPin = 13; // Pin where the LED is connected

const char morseCode[26][5] = {
  ".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", // A-J
  "-.-", ".-..", "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-",  // K-T
  "..-", "...-", ".--", "-..-", "-.--", "--.." // U-Z
};

void setup()
{
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
  Serial.print("enter word");
}

char inputString[265];

bool getSerialInput()
{
  if (Serial.available()) {
    size_t size = Serial.readBytesUntil('\n', inputString, 255);
    inputString[size] = 0;
    return true;
  }
  else {
    return false;
  }
}

void Dot() {
  digitalWrite(ledPin, HIGH);
  delay(200);
  digitalWrite(ledPin, LOW);
  delay(200);
}

void Dash() {
  digitalWrite(ledPin, HIGH);
  delay(600);
  digitalWrite(ledPin, LOW);
  delay(200);
}

void morseCharacter(char ch) {
  if (ch == ' ') {
    delay(6 * 200); // Space between words
    return;
  }
  int index = ch - 'A'; // Calculate the index for the Morse code array
  for (int i = 0; morseCode[index][i] > '\0'; i++) { // Loop through each character in the Morse code string
    if (morseCode[index][i] == '.') {
      Dot(); // Send a dot
    } else if (morseCode[index][i] == '-') {
      Dash(); // Send a dash
    }
  }
  delay(2 * 200); // Space between letters
}

void loop() {
  if (getSerialInput()) {
    for (int i = 0; inputString[i] > 0; i++) {
      morseCharacter(toupper(inputString[i]));
    }
  }
}