piclist 2005\04\06\075255a
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Thread:
How an Optical Mouse works
www.piclist.com/techref/index.htm?key=how+optical+mouse
BY
:
email (remove spam text)(Olin Lathrop)
Mark Rages wrote:
> Has anybody made a robot out of an optical mouse yet? At 400 dpi, you
> could attach an ink pen and make a huge floor-plotter...
Not really. The optical pattern method is not terribly accurate. That's
fine for a mouse since the human is in the feedback loop and will move the
mouse until the cursor gets to the desired location. For a plotter though,
the relative errors will accumulate and absolute position will quickly
become uncertain to the point of uselesness.
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