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Uploaded on Apr 24, 2010
So I made a prototype mouse using a Teensy and 4 photoresistors. The photoresistors are detecting the light emitted by an LED and refracted by your hand, allowing you to control your cursor simply by moving your hand over the sensors. the closet you are from the sensors, the faster the cursor will be. It's not ergonomic nor commercially viable, but it's a nice experiment to do. The firmware detect the position of any object on top of the sensors. You can find the code here: http://pastebin.com/H3kzkbK2