Subject:
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Re: is it possible to make a motor with a limited range of travel?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 18 Jun 2004 02:56:22 GMT
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Original-From:
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Scott Davis <{rcx2man@hotmail.}ihatespam{com}>
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Viewed:
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784 times
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Jonathan,
What about putting stops on the rack to limit the travel and use a clutch
gear to keep the motor from being damaged? Or what about putting a peg at
each end of the rack that stick out and hit a touch sensor when the gear
rack is close to the end and program it to stop the motor when the touch
sensor is hit?
Hope this helps,
Scott
----- Original Message -----
From: "Jonathan Wilson" <jonwil@tpgi.com.au>
To: <lego-robotics@crynwr.com>
Sent: Thursday, June 17, 2004 9:33 PM
Subject: is it possible to make a motor with a limited range of travel?
> Basicly, I want a setup where a motor has a gear wheel connected to a long
> gear rack. Then I want to have things so that holding down the motor
> buttons (up and down) will move the rack but wont allow it to move off the
> end of the rack.
>
> Anyone got any tips for how to do this?
> In terms of electrical bits, I have a RIS 2.0, a Ultimate Accessory Set
> plus some assorted bits like an old style square motor and both large and
> small 9v battery boxes.
>
> The model I have in mind will need at least 2 (but ideally 3) of these
> limited travel setups.
>
> Anyone got any ideas?
>
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