Alt-BEAM Archive

Message #04629



To: "'beam@sgiblab.sgi.com'" beam@sgiblab.sgi.com
From: "van Zoelen, Bram SSI-TSEA-352" Bram.A.A.vanZoelen@is.shell.com
Date: Fri, 18 Jun 1999 17:05:39 +0200
Subject: [alt-beam] Re: Suitable for Framing


I mainly use the 4066 for making a reverser.

Bram


> ----------
> From: Richard Piotter[SMTP:richfile@rconnect.com]
> Reply To: beam@sgiblab.sgi.com
> Sent: Friday, June 18, 1999 4:27 PM
> To: beam@sgiblab.sgi.com
> Subject: Re: Suitable for Framing
>
> Hey were you in the Science Museum of Minnesota? On Thursday the Twin
> Cities Robotics group had their meeting there. I would go, but it's 3-4
> hours... ONE DIRECTION!!! I'll probably go next time though, and bring a
> bunch of my robots.
>
> I think I'll try to do some work on Spyder today (Actualy)!
>
> I want to add reversers to some/all of my walkers. They are cool, but I
> need to realy add some sort of sensing. I also need to find some springs
> around here.
>
> Bronco's spring arrangement is rather different. Instead of trying to
> find 2 small springs with JUST the right tension, I found a heavier duty
> spring that fit between the legs. That spring only styretches a little,
> but it's a strong spring.
>
> I also need to add an adjustable supply to bronco. I think it bounces a
> little TOOOOOOO much!!!
>
> Jeez! I realy need to work on MECI IV M, but I havn't touched it in
> months! I know how to do the sequencing, but I also need to switch
> control of the motors to a diferent source. I suppose a MUX would do
> that fine, but I realy think I should get some expirience with
> multiplexer chips. That's why I think I should do some reversers.
>
> Anyone have a favorite reverser circuit to recomend??? it's been a long
> time since I ordered any parts. I think I should change that...
>
> SG wrote:
> >
> > Allrite! Got both my H-bridges together and mounted in my servo cases,
> and
> > they both werk fine with my Circut. Now For the Frame!
> >
> > Actually kinda cool sittin there watchin the motors turn and LED's
> blinkin
> > for a while. Understand this is from a guy who has never done anything
> > electronic before except change batteries.
> >
> > took my nephew to the science Museum in the big city today, suprised
> they
> > had a ROBOT Show,,, saw the guy standing out front, and asked him a few
> > questions. Turns out he is just a paid actor. Didn't know a thing
> about
> > the stuff. Pics showed a few soccor bots and other recognizable kit
> stuff.
> > Seemed to me to just be something like a proggression of the RC cars
> > myself. Didn't pay the $4 to see the show. Still happy with what I saw
> on
> > The Learning Channel Last Night.
> >
> > Side Note: Gift shop had a "Robotics" (Connectics?)lunar walker Kit on
> > sale for $65 think they list for $150 i saw somewheres. be happy to
> pic
> > it up for one of you if you're into that kinda thing.
> >
> > Now, .. can anybody direct me to the URL that has the "How-TO" for that
> > Honda robot we saw on TLC ?
> >
> > (hehhehehehe)
> > -Sparky
> >
> > "Free my left leg---the trouble's near the pelvic SERVOmotor."
> > - C3PO:
> > StarWars, Ballantine Books:New York, 1976, p 7.
>
> --
>
>
> Richard Piotter
> richfile@rconnect.com
>
> The Richfiles Robotics & TI web page:
> http://richfiles.calc.org
>
> For the BEAM Robotics list:
> BEAM Robotics Tek FAQ
> http://people.ne.mediaone.net/bushbo/beam/FAQ.html
>

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