void loop()
{

    HM10.listen();

    // Preluare input de la HM10
    if (HM10.available() > 0)
    {

        // Citire caracter si concatenare
        char c = HM10.read();
        command += c;

        // Atunci cand este receptionata o comanda (16 caracatere), preia datele
        if (command.length() == 16)
        {

            leftCoord = command.substring(1, 4).toInt();
            rightCoord = command.substring(5, 8).toInt();
            forwardCoord = command.substring(9, 12).toInt();
            backCoord = command.substring(13, 16).toInt();

            /* In cazul in care toate coordonatele sunt 0, opreste motoarele,
             * altfel seteaza vitezele si directiile corepunzatoare
             */
            if (!leftCoord && !rightCoord && !forwardCoord && !backCoord)
                Stop();
            else
            {
                double y = (rightCoord - leftCoord) / 255.0;
                double x = (forwardCoord - backCoord) / 255.0;
                Move(x, y);
            }

            // Reseteaza buffer-ul
            command = "";
        }
    }

    // Redare audio in continuare daca audioRepeat > 0
    if (audioRepeat)
    {
        audioPlay();
        audioRepeat -= 1;
    }
    else
        noNewTone(SPEAKER_PIN);
}