Motion Sensing Philips Hue with a Raspberry Pi
A Python interface to your hue lights, to be run on a Raspberry Pi.
I'm using a PIR motion sensor connected to the GPIO port to detect motion in the room.
https://www.adafruit.com/products/189
Setup the script as a Linux daemon service, using technique here: http://blog.scphillips.com/posts/2013/07/getting-a-python-script-to-run-in-the-background-as-a-service-on-boot/