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    2015/09/04 : Daily Blog 05

    Laser keyboard ! I had a lot of fun opening and taking apart a Laser Projection Keyboard I bought from Amazon, to see what's inside and understand how it works. I think I will use the technology used in this keyboard to build a machine that makes any wall or window a touch screen, with a little projector and an infrared laser that bounces on a camera to detect the position of a finger.

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