Today I mentored Trey and Tyler, two elementary school children in a “robot camp.” They built a robot with Lego Mindstorm NXT 2.0 components and it swept the competition and then came out on top in a free for all battle between all seven robots. The robots fought “sumo style” within a roughly four foot diameter circle until all but one robot was forced outside the circle or disabled.Trey drew Wally’s face (his eyes are an ultrasonic rangefinder). The front ramp/scoop was very stiff and tended to make Wally’s wheels really dig in, frequently flipping the other robot if it could catch it from the side. In the final round of the main competition Wally and his opponent were locked together for almost the full two minutes (that would have made a tie), but Wally could push the other robot forward in a slowly wandering ellipse that eventually passed outside the ring, tricking the other robot into backing up (which put it completely outside the ring). Very exciting!
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