[Novalug] Cheap (homebrew) room temperature probe?

[Brandon Saxe]

Wow, thermd looks "hot". Excellent link.

--- Jason <novalug at jasons.us> wrote:

> Nick Danger wrote:
> >
> > In our server room right now I have a handy dandy
> little SNMP capable
> > temp probe. Nice unit. Also costs like $400. I
> would like to keep tabs
> > on the temps in two cabinets we have at remote
> locations but I cant
> > justify the expense of these units (there are no
> problems yet, Im
> > trying to be proactive with my monitoring)
> >
> > A long long time ago I took a thermister and
> connected it to an apple
> > //c joystick port and threw it out my bedroom
> window. Lots of math
> > later (which I sucked at so I tried splitting a
> curve into a few
> > straight lines and do linear algebra on it) I had
> one of the first
> > GBBS sites with a temp probe.
> >
> > There HAS to be a way to do this now with a PC.
> Probably a little more
> > complicated since theres no analog joy port
> anymore but maybe via
> > serial? Or parallel?  Im not looking for NASA
> grade accuracy, just
> > something that I can watch to go "room is getting
> hotter". Ive found
> > ones that clip into your case and give you digital
> readouts for your
> > desktop but nothing I can remotely watch via
> scripts or otherwise.
> >
> > Anyone seen such a thing?
> 
> If you're handy with a soldering iron check out Dan
> Klein's thermd
> scripts: http://www.klein.com/thermd/   The temp
> sensor kit is about $30
> and you can get up to four sensors.  I used this
> years ago to measure
> temps all over my house and for some experimenting
> outside. Each of the
> sensors was about 50' away from the serial board
> using cat5 wire (I had
> a spool of it so why not?) and it worked very
> nicely.
> 
> -Jason
> 
> -- 
>    --- There are no absolute statements.  I'm very
> probably wrong. ---
> "The difference between genius and stupidity is that
> genius has its limits."
>                                         - Albert
> Einstein
> 
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