Subject:
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Re: latest legOS strangeness
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Thu, 16 May 2002 13:12:56 GMT
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Viewed:
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2335 times
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> doesn't shorting the motors drain the batteries?
Nope, shorting the motors has no effect on the batteries actually.. when you
spin the motor, it acts like a generator... by shorting out the motor you
are actually using the motors own reverse emf (electromotive force) to brake
system. I believe the RCX uses an h-bridge to do this. During this period
the batteries are completely disconnected. If you don't believe this...
tabe a motor and hook up one of the wires in a clever manner so that it is
shorting the two motor terminals and then try to spin it... cool huh?
emags rock!
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Message is in Reply To:
 | | latest legOS strangeness
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| I checked out the head of the CVS tree last night and was trying out some of the new stuff. I noticed something quite odd and wanted to see if anyone has any ideas. When I run programs, and the motors aren't turned on they make a stange clicking (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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