Subject:
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Re: Fishing for a tasty linkage/gearing/robotic building thread...
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 12 May 1999 13:41:55 GMT
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Original-From:
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Bill Leggett <[billl@pcom.]avoidspam[net]>
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Viewed:
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1387 times
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I would try using one motor to drive and a ratchet on one of the wheels. Then when
you go in reverse, you turn. Time the motor power setting and turn rate until you
get a good 90 degree turn. The other way would be to use some kind of line
follower??
Michael Gasperi wrote:
>
> Anyway here is what I'm working on:
>
> I work with a local science museum (Discovery World in Milwaukee, WI) to
> create hands on activities for kids during Engineers Week (late February).
> One of the activities is for Software engineering. Right now we have them
> write a kind of computer program using colored beads strung on string. The
> program is the solution to a simple maze like problem. Red=right turn
> Blue=left turn, and Black and White beads give the binary value of the
> distance. After a kid writes a program, they give it to a neighbor who
> "executes" it to figure out where they went.
>
> To make the activity more interesting, I'd like to build a vehicle that can
> execute the program also. I would probably substitute LEGO blocks for the
> beads. The biggest problem I've got is making perfect right angle turns. I
> don't want the vehicle to curve around corners. Just go forward, and then make
> a pure right (or left) turn, and then forward again. It would be nice if it
> could do this several times without getting too far out of whack. I suppose
> this is the way a Logo turtle moves. Has anybody built anything that acts
> like this with Mindstorms yet?
>
> For RCX Input and Sensor Information Visit:
> http://www.plazaearth.com/usr/gasperi/lego.htm
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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