code: function DOT3k() {
      if (!(this instanceof DOT3k)) {
          return new DOT3k();
      }
      
      this.displayOTron = new DisplayOTron('3k');
      this.lcd = new LCD(this.displayOTron);
      this.backlight = new Backlight(this.displayOTron);
      this.barGraph = new BarGraph(this.displayOTron);
      this.joystick = new Joystick(this.displayOTron);
  }
docs: Creates a new `DOT3k` object.
  @constructor