Subject:
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RE: super cheap tilt sensor?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 21 May 2002 21:09:31 GMT
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Original-From:
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Robert McGlade <rmc@evis.net+NoMoreSpam+>
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Viewed:
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759 times
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Anybody remember scaleictric controllers? They had a copper coil to control
the speed of the cars, as the trigger was pressed it would move the bar(in
power) thru the coil and voltage would increase. This could be an easy and
safe way!
Rob
-----Original Message-----
From: Rob Limbaugh [mailto:RLimbaugh@greenfieldgroup.com]
Sent: 21 May 2002 13:52
To: Luke Wenke; lego-robotics@crynwr.com
Subject: RE: super cheap tilt sensor?
How about using an free-moving arm in a plane parallel to the "floor"?
(i.e. - like an analog wall clock placed face-up on a table)
If the arm had a some weight and a wheel on one end and a shaft for a
fulcrum on the other end, the position of the arm would always be (or move
to) the lowest point. Either place the fulcrum shaft directly through a
Lego rotation sensor or use a little gearing to increase precision.
-----Original Message-----
From: Luke Wenke [mailto:lwenke@hotmail.com]
Sent: Tuesday, May 21, 2002 8:05 AM
To: lego-robotics@crynwr.com
Subject: super cheap tilt sensor?
I was wondering if anyone knew of any extremely cheap and easy way of making
a tilt sensor - that preferably doesn't involve transistors, etc.
The best I can come up with are some mercury tilt switches with some
resistors - so that a single input port can sense the states of 4 or 5
mercury switches. This would be good for detecting if something is tilting
forward, backward, left or right - but I'd prefer if it was more analog
(like a light sensor). Maybe there could be a pendulum hooked up to some
kind of extremely loose variable resistor or "pot". But I don't know where
to buy those.
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Message is in Reply To:
 | | RE: super cheap tilt sensor?
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| How about using an free-moving arm in a plane parallel to the "floor"? (i.e. - like an analog wall clock placed face-up on a table) If the arm had a some weight and a wheel on one end and a shaft for a fulcrum on the other end, the position of the (...) (23 years ago, 21-May-02, to lugnet.robotics)
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