Alt-BEAM Archive
Message #12615
To: alt-beam@egroups.com, BEAM beam@sgiblab.sgi.com
From: David Simmons devs@idirect.com
Date: Mon, 27 Mar 2000 18:11:37 -0800
Subject: [alt-beam] Re: Two FREDs
Ben,
Can't wait to see the new FRED. So is this on a Jr.?
Dave
Ben Hitchcock wrote:
>
> All,
>
> I just made another FRED, this time I used a 2200 uF cap instead of a 0.047
> F like last time. I have to say that in low light the smaller cap is a
> clear winner. In a race to the light from 20 cm, the smaller one got there
> in half the time! 'Old' FRED took giant strides, but sometimes the steps
> were too big and he overshot and had to circle round again to find the
> light.
>
> I suspect that in brighter light the searching might be a bit erratic
> because the cap is charging up quicker - and the FLEDs flash with a set
> frequency. I'll have to have a race in broad daylight to see what happens
> then. I also angled the FLEDs down, not up, so the new one should avoid
> shadows better than the old one.
>
> I haven't really had much experience with robots interacting, but with these
> two battling it out under the desk lamp it just makes me want to make more!
> MORE MORE I say!
>
> I took some pictures at each stage of development so hopefully others will
> be able to make FREDs with a minimum of fuss. I'll get the tutorial up by
> the end of the week.
>
> Just had to share this with the group!
>
> Ben
>
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