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From: Peter Bennett
Subject: Re: A simple angular positioning solution?
Date: Thu, 31 Oct 2002 18:51:43 -0800
Organization: Home for the Hopelessly Helpful
X-Newsreader: Forte Agent 1.8/32.548
On 31 Oct 2002 08:26:59 -0800, email@example.com (WHF)
>martingriffith@SPAMbtopenworld.com (Martin Griffith) wrote in message news:<firstname.lastname@example.org>...
>> Depending on the speed of rotation..
>> If the disc only changes position occasionaly, use two microswitches
>> that line up with the holes, instead of the opto's.Or you could have
>> notches around the edge of the disc for the microswitches
>> This is the simplest solution i can think of.
>> Help Fight Continental Drift!
>I was wondering if you could give me some info on these microswitches.
>Who maunfactures them etc?
I believe Honeywell makes Microswitches(tm) - many other switch
manufacturers make similar products.
A microswitch is a switch that is intended to be operated by some
mechanical means, rather than directly by a person. They are often
used as limit switches to sense the position of some object.
The switch itself is a small pushbutton-like device, but there are
usually a wide variety of optional actuators for it - one of the most
common styles is a small lever with a roller on the end. In your
application, you would mount the switch so that the roller rides on
the circumference of a disk - you would have notches or bumps on the
disk at each position so the switch would be released or pressed) as
the notch or bump goes by the switch.
Peter Bennett, VE7CEI
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