Fwd: Environmental Monitoring

[Drew Van Zandt]

Interesting thought re: motherboard sensing: The fan speed channel of
a motherboard might work with one of our (Sensatronics) humidity
sensors ($125), as they're frequency-based output, 5V. - I'll play
tonight and report back.

--DTVZ

On 5/10/05, Brian <gnhlug at karas.net> wrote:
> While you're throwing out handy URL's, don't overlook:
> http://www.phanderson.com/
>
> :)
>
> Also, I don't think I've ever paid for a Dallas, Maxim, or NatSemi part.
> Their engineering samples programs are pretty generous.
>
> > -----Original Message-----
> > From: gnhlug-discuss-admin at mail.gnhlug.org
> > [mailto:gnhlug-discuss-admin at mail.gnhlug.org] On Behalf Of Tom Buskey
> > Sent: Tuesday, May 10, 2005 1:05 PM
> > To: gnhlug-discuss at mail.gnhlug.org
> > Subject: Re: Environmental Monitoring
> >
> > http://www.midondesign.com/index.html has a box w/ temp &
> > humidity sensing to serial port for ~ $135.  They also sell
> > the parts so you can make your own for less.
> >
> > Nagios touts
> > http://www.nagios.org/products/environmental/esensors/em01.php
> > which is ethernet/web based for temp, humidity, light.  It's
> > around $330.
> >
> > http://www.spiderplant.com/hlt/index.html used to sell
> > something for around $100.  They now have schematics and
> > code.  They focus on Linux.
> >  I worked with one of the owners.  Alas, they no longer sell
> > stuff but you can use their plans.
> >
> > You might be able to use X10 based stuff.  I imagine once you
> > get all the parts it'll be more expensive.
> >
> > You'll see Dallas and 1-wire interface alot in your search.
> > Unfortunately, if you want inexpensive, you'll have to roll your own.
> >
>
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--
Drew Van Zandt


-- 
Drew Van Zandt