Building sophisticated educational tools out of cheap parts, Johnny Lee demos his cool Wii Remote hacks, which turn the $40 video game controller into a digital whiteboard, a touchscreen and a head-mounted 3-D viewer.

To understand Johnny Lee, just take a look at his personal projects page.

When he’s not hacking Wiimotes, Lee is a graduate student in the Human-Computer Interaction Institute at Carnegie Mellon University.

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