23 Jun 2002 (updated 23 Jun 2002 at 22:39 UTC)
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Ira, cool micro mouse!
If your doing experiments with compasses, take a look
at
the Philips part KMZ51, it is much smaller than the
Densmore part, you can make a compass using 2 of them set
at 90 degrees, it will require 2 A/D channels from your
micro controller, and 2 digital out puts. I know the KMZ51
is a bit harder to get your hands on than the Densmore
part, however, they are much much much smaller. Great for
mirco bots.
Also, your proximiter sensor looks kinda big, take a look
at the QRD1114, they are small enough to use a bunch of
them on your micro bot, they can also be configured to
perform line following. You can find them at
www.digikey.com, part #QRD1114-ND. Let me know if you are
interested in knowing how to configure these for line
following.