<https://forum-raspberrypi.de/forum/thread/34998-mit-bootstrap-button-gpios-steuern/>
<http://schema.org/datePublished>
"2017-07-04T22:09:56+02:00"^^<http://schema.org/Date>
<https://forum-raspberrypi.de/forum/thread/34998-mit-bootstrap-button-gpios-steuern/?postID=289836>