Low-Cost Multi-touch Whiteboard using the Wiimote

李強尼(Johnny Lee)在演講中展示了如何將時髦流行的Wii遙控器變成有用的 教育工具。也就是說，只要花40美元，就可以等同擁有上千美元的 數位白板、多點觸控大螢幕和頭戴式3D瀏覽器。

Using infrared (IR) light pens and the Wii Remote, it is possible to create very low-cost multi-point interactive whiteboards and multi-point tablet displays. Johnny Chung Lee, Carnegie Mellon University. What a awesome innovation !!

Related Link -
Johnny Lee website >> http://johnnylee.net
How to build IR pen >> footage