Subject:
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Re: Ball-less mice (was :Re: FW: Another DIY sensor)
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 28 Nov 2000 19:55:37 GMT
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Original-From:
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Martin <martin@mediax.comAVOIDSPAM>
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Reply-To:
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martin@ANTISPAMmediax.com
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Viewed:
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688 times
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David Wegmuller wrote:
> The optical mice that do not require a special tablet to operate all use the
> same sensor, made by Agilent (formaly HP). It is the HDNS2000.
> The spec can be found here:
> http://www.semiconductor.agilent.com/cmos/hdns2000.html
>
> Basically, this thing has 2 types of output:
> - PS/2 (connects directly to a PC) (used by Microsoft and some Logitech mice)
> - Burst quadrature (used by some Logitech mice)
>
> Greetings,
> David
>
> PS: I believe that some mice are now down to $20~30.
I can confirm this, at least for the US market; I just bought the
Logitech optical wheel mouse, and it was $30 at Fry's in Campbell,
California.
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Message has 2 Replies:
 | | Re: Ball-less mice (was :Re: FW: Another DIY sensor)
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| I just got a usb or ps/2 optical mouse (with a wheel!) for $20 at compusa. I'm not sure who is trying to get an optical mouse to work with the Rcx, but i'd like any information on it that they have. Doing a little research, I found out that, when (...) (24 years ago, 30-Nov-00, to lugnet.robotics)
| | | Re: Ball-less mice (was :Re: FW: Another DIY sensor)
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| Jason wrote: >Doing a little research, I found out that, when >used with ps/2, mice are supplied 5 volts dc and have two data outputs, for a total >of 4 wires. I'm not sure how much power the rcx supplies, but optical mice should >be able to work (...) (24 years ago, 30-Nov-00, to lugnet.robotics)
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Message is in Reply To:
| | Ball-less mice (was :Re: FW: Another DIY sensor)
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| The optical mice that do not require a special tablet to operate all use the same sensor, made by Agilent (formaly HP). It is the HDNS2000. The spec can be found here: (URL) this thing has 2 types of output: - PS/2 (connects directly to a PC) (used (...) (24 years ago, 28-Nov-00, to lugnet.robotics)
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