Want to claim your city as your own? Competing with a rival gang for turf, and want to avoid messy knife fights? Well now you can, thanks to Urban Defender. Working over a short time period, a team of students from Zurich University of Arts built a system to claim buildings by throwing a specially equipped ball at them. Impacts are detected by an accelerometer connected to an Arduino, which is wirelessly connected to a Beagle board which uses a GPS to coordinate the hit to a specific addr....
MAKE Magazine
