Few things do a better job at decimating desktop real estate than a bulky old flatbed
scanner. Skinnier replacements are cheap these days, but what's one to do with the old ones? An enterprising hacker who goes by the handle Sprite_tm, the same bloke who brought us a
knock-operated door, has managed to create a multitouch panel out of his. He extracted the single-line CCD and mounted that below the display. He then attached five LEDs above it to shine light down. When his finger touches the screen it casts a shadow on the CCD and, with a little (probably a lot) of custom software he's able to triangulate the position of the touch. The system even works with multiple fingers, though we're guessing should they overlap vertically the system
might get a little finicky. Check out a demo below and then click on through the source link for one heck of a detailed how-to.
Continue reading Flatbed scanner becomes multitouch panel in five-fingered DIY documentary (video)
Flatbed scanner becomes multitouch panel in five-fingered DIY documentary (video) originally appeared on Engadget on Tue, 22 Mar 2011 21:30:00 EDT. Please see our terms for use of feeds.
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