Subject:
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Re: Voltage generator
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 17 Jan 1999 16:12:56 GMT
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Original-From:
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S. Crawshaw <sc10003@eng.cam=StopSpammers=.ac.uk>
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Viewed:
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902 times
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On Sat, 16 Jan 1999, Bill Leggett wrote:
> can. If you connect the two power wires together from two motors and
> spin one motor, the other motor spins! The first is obviously generating
> DC voltage in proportion to speed. This could be a poor mans mechanical
Hurrah. You've discovered the dynamo :-)
No, seriously, there is one possible application: speed sensor. But I
expect the "offical" rotation sensor is probably better for that in nearly
all cases? On the other hand, the motor is (sometimes) slightly cheaper...
hard to tell since I haven't yet found a UK price for sensors.
Stuart
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Voltage generator
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| I discovered something that I can see no use for but maybe someone else can. If you connect the two power wires together from two motors and spin one motor, the other motor spins! The first is obviously generating DC voltage in proportion to speed. (...) (25 years ago, 16-Jan-99, to lugnet.robotics)
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