orphan: Other classes Button See :py:class:`ev3dev2.button.Button`. Leds See :ref:`led-classes`. Power Supply See :py:class:`ev3dev2.power.PowerSupply`. Sound See :py:class:`ev3dev2.sound.Sound`. Display See :py:class:`ev3dev2.display.Display`. Lego Port See :py:class:`ev3dev2.port.LegoPort`.