Alt-BEAM Archive

Message #03856



To: beam@sgiblab.sgi.com
From: JVernonM@aol.com
Date: Fri, 28 May 1999 01:53:45 EDT
Subject: [alt-beam] Re: PBS special- Poppers ( full time solar roller)


In a message dated 5/27/99 11:48:25 PM Eastern Daylight Time,
wundoba@pacbell.net writes:

> Jim, you need to get some of those BG Micro motors...
I know, I have the worst timing in the world. By the time I hear about them,
they're all gone. One of these days...

> Combining the Bicore with the SE and the BG Micro motors gives me an
> interesting 'behavior' that was totally unplanned.. Under full
> sunlight, the bot will run continiously, without needing a pause to
> recharge.. while running continiously, the voltage just barely stays
> above the shut-off level. When a sensor trigger is tripped or a wheel
> gets stuck on a small obstacle, the voltage drops and the SE turns off
> to charge up to the full trigger voltage. Then when it fires, it has a
> bigger burst of energy and is able to push it's way out of the
> situation...
Very interesting. Sounds like what I'm looking for. I've been pulling my hair
out trying to get one to work with servos and even those Omran motors. The
standard PM1 seems to hate anything except my Walkman motors or pagers.

> I don't have any schematics up yet, as I'm waiting until all the
> additional sensors are hooked up and working.
Cool, I'd love to see 'em. Gonna have to surf Dennison's site again too.
Jim

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