Everyone likes a low $ photo diode, right?

Archiver

I'm looking to purchase a photo diode that can be used in the Earh
Measurement Experiment #4 page 76. The Parallax web site has the
following:

350-00012 Blue enhanced photodiode - $6.60

$6 seems kind-of expensive for a photodiode. Are there alternatives that
anyone can suggest?

Regards,
Chris
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Archiver

Hi Chris,

You can use either the PVB-V113 ($1.65) or the PVB-C113 ($1.45) from
Digikey. They are identical for the purpose of using RCtime on the
Stamp.

If you find a photodiode locally or surplus, go ahead and try it,
although you may have to make some adjustments in the component
values.


-- best regards
Tracy Allen
electronically monitored ecosystems
http://www.emesystems.com
mailto:tracy@e...


>I'm looking to purchase a photo diode that can be used in the Earh
>Measurement Experiment #4 page 76. The Parallax web site has the
>following:
>
>350-00012 Blue enhanced photodiode - $6.60
>
>$6 seems kind-of expensive for a photodiode. Are there alternatives that
>anyone can suggest?
>
>Regards,
>Chris

Archiver

Hello Christopher C Dundorf;

The photo diode that they are using in the experiment is larger then most
and is blue enhanced. I purchased
the kit for the Earth Measurement book it is approximately four time bigger then
most photo diodes.

Thank You !!

Dale Fleischmann

Christopher C Dundorf wrote:

> I'm looking to purchase a photo diode that can be used in the Earh
> Measurement Experiment #4 page 76. The Parallax web site has the
> following:
>
> 350-00012 Blue enhanced photodiode - $6.60
>
> $6 seems kind-of expensive for a photodiode. Are there alternatives that
> anyone can suggest?
>
> Regards,
> Chris
> ________________________________________________________________
> GET INTERNET ACCESS FROM JUNO!
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