The principle behind this scanner is the typical of a line scanner. A laser beam intercepts the object to be measured and a camera, positioned at a known angle and distance shoots a series of images. With some trigonometry considerations and optic laws it is relatively easy to reconstruct the Zeta dimension, the measurement of the distance between the object and the camera.
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Plug your LCD into an Arduino and experiment with it.
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Make your own Arduino-controlled color film processor.
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Build a Notification Alert Generator that pesters you to do your chores.
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Make a cute candy vending machine that only dispenses treats when you knock the secret rhythm on its front panel.
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Tacit is a wearable system that translates the distance to anything you aim your hand toward into pressure on your wrist. The closer the object, the greater the pressure. Sweep your hand around, and the device conveys to you a tactile image of your surroundings. I designed Tacit to help vision-impaired people navigate their environments, […]
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