Arduino xPL library
Install on a mega board with official ethernet shield. can receive many sensors : -many onewire temperature sensors -many dht11/22 humidity sensors -one BMP085 pressure sensor -many to come
same with only onewire sensors enc enc28j60 ethernet you need to upgrade avrgcc to 4.7.2 to shrink binary size (http://www.makehackvoid.com/node/578/release)
Use a laptop touchpad to dim lights.
More info at http://www.mgth.fr