We took an industrial robot, strapped a tennis racket and a sword to it, and put it under the control of a WiiMote. We ran very light pattern recognition on the WiiMote, so it would copy our sword swings. You can read the write up at www.usmgarage.com
![WiiBot](https://cdn-ak-scissors.b.st-hatena.com/image/square/21a6ebac0cf64a37a958e70ee8e6d222b262d538/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2F0qEotHQgUsg%2Fhqdefault.jpg)