Spotted this on Recantha's blog - what you get when you mix Lego, a Raspberry Pi and a Nexus 4.
The project was carried out by Karl Herrick, who has been blogging from his site since 2003, which is also when I first started selling LEDs from a barrow outside my father's fruit and veg shop... (sorry for the apocryphal aside!) Enlisting the help of his children, Karl used a Lego 4x4 Crawler (£139.99 in the UK) as a base to which he added
In the video it's shown being controlled by a Bluetooth controller, but as recantha points out this was paired with a Nexus 4 and he used a secure shell connection terminal into the Raspberry Pi using this app. With a bit of scripting he was able to map the keys to the controller and then a few command line commands controlled the camera.
All in all a pretty amazing stuff! It's all beautifully written up with some more great shots of the car and their cat at Karlherrick.com.