> Better yet, put a 3 axis accelerometer and gyroscope in there, as well
> as a very very slow radio link (10 bps or slower).  Then you can have an
> outside transciever recieving the info, and you can tack its path.  If
> it seems to be stuck you can manipulate the piston yourself.

You're not going to get radio waves from a 2 inch ball to go thru any
significant amount of water and rock.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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