Alt-BEAM Archive
Message #00864
To: beam@corp.sgi.com
From: "Sathe Dilip" sathe_dilip@bah.com
Date: Tue, 23 Feb 1999 16:39:48 -0500
Subject: [alt-beam] Re:
George Rix wrote:
>
> Well, it's a little late for that, now. I have no way of getting any for
> less than $10, and that's the cheapest I could find in the area.
> Any other ideas?
> ----------
> >From: dennison
> > Here's a tip for makeing your bot more sensitive to light, instead of using
> > photodiodes use large CDS cells (1 meg, two meg) and maybe a resistor. I
> > find the CDS cells work better than photodiodes.
> >
> > Dennison
Have you tried connecting multiple photodiodes in parallel? This should
increase the effective surface area for incident light. You could also
try using small lenses in front of the photodiodes. (a bug with
glasses?)
Dilip
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