/// <summary>
 /// Creates a <c>LeapListener</c> that uses the given motion to notes
 /// converter, and the given <c>Arduino</c> interface controller.
 /// </summary>
 /// <param name="motionToNotes">The object to use to convert the Leap
 /// Motion data into notes.</param>
 /// <param name="arduino">The object to use to communicate with the
 /// Arduino.</param>
 public LeapListener(MotionToNotes motionToNotes, APS.Arduino.Arduino arduino)
 {
     MotionToNotes = motionToNotes;
     Arduino       = arduino;
 }