Subject:
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Muscle Wire
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 18 Aug 1997 23:13:45 GMT
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Original-From:
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Peter Suzman <suzman@netcomNOSPAM.com>
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Reply-To:
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suzman@netcom.IHATESPAMcom
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Viewed:
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1190 times
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Hi -
Has anyone ever tried using "muscle wire" (nitinol) with the
Handyboard? When you pass an electirc current through it, it heats up
and rapidly contracts.
The wire has a fairly low resistance - would it still be OK to drive
it with the motor outputs? I assume it would only need a very short
burst of current. Would using a motor output power setting < 100
help here?
I'd also like to drive a smallish electromagnet for a short time. I
have no idea how much current it draws. What's the safest way to
proceed here as well? What on the board would fry if I draw too much
current, and how can I tell what's too much?
Thanks,
Peter
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