The Hokuyo scanning sensors are great 2D obstacle scanners. They can be used in fixed locations to detect if an object enters its scan area, and can be used on mobile platforms that need to do obstacle detection and avoidance as they move. There are two categories of sensors: outdoor sensors th…
After ten yeras, the array of creations made with the LEGO's Mindstorms kit is pretty impressive. One of the latest things to amaze me is this NXT 3D scanner created by Philo. The device uses several motors and linear actuators to probe the surface of an object and precisely record its shape. The …
