Alt-BEAM Archive

Message #09981



To: beam@sgiblab.sgi.com
From: owner-beam@sgiblab.sgi.com [mailto:owner-beam@sgiblab.sgi.com]On
Date: Wed, 9 Feb 2000 21:08:03 -0500
Subject: walker phototropism



I just got some help from Mark T. on phototropism, and he sent me some
info I don't quite understand, so I thought perhaps you could take a whack
at
explaining what he means to me. Mark T. wrote:
"Just take a few photodiodes with resistors in series and introduce them
across the coupling resistors of your robot. Depending on the diodes, how
they are pointing, and how your robot's mechanics are arranged, you can
figure out how to give your critter eyes."
I am trying to build a two motor bicore phototropic walker (eventually
with reverser). Can please explain what Mr. T mean's (and think 'see spot
run' language, I am really not an engineer). Any help would be appreciated.
thanks,
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