Subject:
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RE: Gutting an optical mouse - Part I
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 12 Jul 2002 21:06:20 GMT
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Viewed:
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587 times
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> >
>
> I thought this was an error to, so I spent about an hour triplechecking my findings. Bear in mind that the scroll wheel doesn't need 7.5-degree-per-step accuracy, which is what that extra bit would give.
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> This is a chart of the data I collected when graphed.
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>
> Clockwise
> ___ ___ ___
> Bit 0 | | | | | |
> ___.___| |___.___.___| |___.___.___| |___.
> 0 0 1 0 0 0 1 0 0 0 1 0
> ___.___ ___.___ ___.___
> Bit 1 | | | | | |
> ___.___| |___.___| . |___.___| . |
> 0 0 1 1 0 0 1 1 0 0 1 1
> Time ---.---.---.---.---.---.---.---.---.---.---.---
Gee, that's too bad. That means there are only three states that can be distinguished. It seems like they could have easily increased the resolution by 1/3, without any cost.
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Message has 1 Reply:
 | | Re: Gutting an optical mouse - Part I
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| Does anyone who knows more than me about these kinds of mice know if what is currently on pricewatch is the right thing; go to www.pricewatch.com, click on mice and then search for "optical". It comes up with a Mitsumi device for $9. Is this the (...) (22 years ago, 15-Jul-02, to lugnet.robotics)
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