void motorSpeedWriter() {
  motorSpeed = MotorSpeedSlider.getValue();

  if (motorSpeed < 25) {
    myPort.write('0');
    println('0');
  } else if (motorSpeed >= 25 && motorSpeed <= 50) {
    myPort.write('1');
    println('1');
  } else if (motorSpeed >= 50 && motorSpeed <= 75) {
    myPort.write('2');
    println('2');
  } else if (motorSpeed >= 76 && motorSpeed <= 100) {
    myPort.write('3');
    println('3');
  } else if (motorSpeed >= 101 && motorSpeed <= 125) {
    myPort.write('4');
    println('4');
  } else if (motorSpeed >= 126 && motorSpeed <= 150) {
    myPort.write('5');
    println('5');
  } else if (motorSpeed >= 151 && motorSpeed <= 175) {
    myPort.write('6');
    println('6');
  } else if (motorSpeed >= 176 && motorSpeed <= 200) {
    myPort.write('7');
    println('7');
  } else if (motorSpeed >= 201 && motorSpeed <= 225) {
    myPort.write('8');
    println('8');
  } else if (motorSpeed >= 226 && motorSpeed <= 255) {
    myPort.write('9');
    println('9');
  }
}