Walk into a room and have your Hue lights and Sonos speakers turn on for you. Uses £5 sensors. Trajectio is a smart home hub which uses inexpensive, widely available motion sensors to track motion and turn on your Phillips Hue lights and Sonos speakers when you are in a room; and off when you're not. We've just launched a crowdfunding campaign which you can view here: https://www.kickstarter.com/projects/1109816630/trajectio-motion-powered-hue-and-sonos-smart-home
