Using a laser pointer and a matrix LED as a two-dimensional input device

Laser Command is a game which I build using a 8x8 matrix LED and an Arduino Mini. This game was developed as a "sample" class project in S10-05833 Gadgets, Sensors and Activity Recognition in HCI. The class is taught by Scott Hudson at Carnegie Mellon University, and I'm doing TA for the class. The name "Laser Command" comes from an old game called Missile Command. In Missile Command, you are asked to shoot ...

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