[Metalab] Arduino Jabber Knock

was haltet ihr von dem Jabber Knock? http://www.hack-up.org/wiki/index.php?title=Main_Page#Arduino_Jabber_Knock Description Arduino Jabber Knock is an Jabber powered door knock sensor. An Arduino ethernet connected to a piezo sensor is mounted on a door and detects when somebody knocks. The board then sends a message to your jabber chat account through a server written in ruby on rails. related links: http://metalab.at/wiki/Cellardoor http://metalab.at/wiki/Door_System Sven