Alt-BEAM Archive
Message #00576
To: Chris Daniel popjester@hotmail.com
From: Steven Bolt sbolt@xs4all.nl
Date: Thu, 18 Feb 1999 11:12:49 +0100 (CET)
Subject: [alt-beam] Re: Solar Roller
On Wed, 17 Feb 1999, Chris Daniel wrote:
> >The internal resistance of the cap is too high. Try a gold cap, or get
> a
> >couple of caps in parallel. Of course, you could try modifying the the
> >circuit to hold the latch state, but that takes a bit more talent.
>
> How much more talent? Could anyone provide me with a cirucit diagram?
> I'm using those 0.033F caps from Solarbotics. Anyone had any trouble
> with them?
You might try Ken Huntingtons "Micro Power Solar Engine":
Linkname: A reader contributes
URL: http://www.xs4all.nl/~sbolt/e-lezersbijdrage.html
Linkname: this page,
URL: http://www.adnc.com/web/eplatt/beam/KenSE.htm
Or the slightly easier to get going 4-transistor SunEater, to be
found on:
Linkname: this page
URL: http://people.ne.mediaone.net/bushbo/beam/suneater/suneater.html
Both are pretty good at latching their on and off states. The
SunEater will even live with motors with a built-in parallel cap.
Best,
Steve
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# sbolt@xs4all.nl # Steven Bolt # popular science monthly KIJK #
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