[Metalab] Arduino Jabber Knock

[Sven Guckes]

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