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Epson's New LCD Projectors Promise Portability, Starting at $900Epson has unveiled the EpiqVision Mini EF21 and EpiqVision Mini EF22 LCD projectors, which feature ... the image and for the light some use laser, LED, or a combination of both.
The digitizizer is based on a Kodak carousel slide projector. It’s fitted with LED strips instead of the original light source, which are used to illuminate the slides themselves. An Arduino ...
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