Pulls data from the router (used dynamic dns) via a cronjob python script worker.py, stores it into the db.
And you get a nice detailed stats of your copper DSL connection over the time :)
For me tho the stats were kinda boring, as I was wired on a FTTC node so whatever.
Was still a fun project to hack on. And rooting the router too ;) (private)
An ancient version of this can be seen at api.infy.cybershade.org.