Subject:
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Re: Shaft encoder sensors...
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 22 Feb 1999 19:08:56 GMT
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Original-From:
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Darkman <lroska@&stopspam&cyberus.ca>
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Viewed:
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823 times
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Zagros Robotics sells them for $7.00 ea US
http://www.zagrosrobotics.com/
-----Original Message-----
From: John Vaughn <vaughn@HWS.EDU>
To: Kat <khorvath@up.edu>
Cc: handyboard@media.mit.edu <handyboard@media.mit.edu>
Date: Monday, February 22, 1999 10:23 AM
Subject: Re: Shaft encoder sensors...
>
>
> Kat wrote:
>
> > Can anyone help? My team is trying to get a shaft encoder to work, but
> > cannot find a chip that will work correctly to count the black and white
> > stripes on the wheel. We would like to use a chip which can be connected
> > directly to the digital inputs without extra external hardware. The book
> > "Mobile Robots: From inspiration to implementation" recommends a
> > photoreflector by Hamamatsu Photonics, but I was not able to locate it. • It
> > seems to be absolete. Any help would be appreciated.
> >
> > Thanks,
> > Kathy
>
> The Hamamatsu P3062-01 IR photoreflector mentioned in MR was discontinued • and
> replaced by the P5587. This chip has the identical pinout and dimensions • as
> the original. I
> ordered several from Hamamatsu last year but they are pricey (~$7/ea) in • small
> quantities.
> They are very thin (~1.7mm) and have a focal distance of about 3 mm.
> You can check to see if they are still available at 908-231-0960.
>
> John Vaughn
> Hobart & William Smith Colleges
> vaughn@hws.edu
>
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Message has 2 Replies:
 | | HB to create video displays?
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| I am thinking of putting a wireless board-level color or B&W camera on my Mobot and I have a question for all the techies. Is it possible to use one of the different outputs on the HB to interface with the camera to put diagrams on the live picture? (...) (26 years ago, 22-Feb-99, to lugnet.robotics.handyboard)
| | | Re: HB to create video displays?
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| At 03:25 PM 2/22/99 -0500, Steve Wall wrote: [snip] In short I want to be able to watch the monitor and have (...) Checkout Decade Engineering's Bob II board at: (URL) I don't think it can do graphics, but it accepts serial input at 9600 baud and (...) (26 years ago, 23-Feb-99, to lugnet.robotics.handyboard)
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