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[aprssig] Weather station update

Jason Rausch jason at ke4nyv.com
Mon Nov 9 18:25:16 UTC 2009


OFFLIST:

Oh boy, I want one!  Let me know when I can order one from you to put with the sensor kit you gave me at Dayton.  I have it sitting here waiting for a use.  I tried playing with it to see if I could come up with somthing useful, but I just too damn shitty of a programmer to do anything.

Any idea of reseller cost yet?  I would love to put these on the site.

Jason KE4NYV
RPC Electronics, LLC
www.rpc-electronics.com


--- On Mon, 11/9/09, Scott Miller <scott at opentrac.org> wrote:

> From: Scott Miller <scott at opentrac.org>
> Subject: [aprssig] Weather station update
> To: "TAPR APRS Mailing List" <aprssig at tapr.org>
> Date: Monday, November 9, 2009, 1:20 PM
> A quick update on my weather station
> project... it's coming along well, and I should have the
> first units shipping in time for Christmas.  The
> pictures here show what should be pretty much the final
> hardware version:
> 
> http://n1vg.net/ads-ws1-rev1.jpg
> http://n1vg.net/ads-ws1-mast.jpg
> 
> The wind/rain sensor installation is temporary in this
> picture and I haven't secured the cables yet.  The kit
> comes with cable ties for that.
> 
> The box contains temperature, barometric pressure, and
> humidity sensors.  There's a 1/2" port on the left
> side, covered with a stainless steel mesh, that you can't
> see in the picture.
> 
> This board revision includes 2 megabytes of flash
> memory.  At the moment it's only used for voice sample
> storage (it has a vocabulary of a little over 200 words for
> reading weather conditions over the air) but eventually
> it'll be usable for data logging, too.
> 
> It's got a solid state relay rated at 8 amps for
> controlling radio power.  In the pictured setup it's
> powering an old Alinco DJ-F1T and it's working great. 
> It's drawing about 18 mA, but I should be able to cut that
> by 50% or more as I get some software power save options
> going.
> 
> At this point there's mostly just software work and
> component sourcing to be done.  Those 3.5mm pluggable
> terminal blocks cost $16 each at Digi-Key and they've been
> the biggest headache so far, but I've found a source at a
> fraction of that and they'll be on the way here
> tomorrow.  A bunch of the voice samples have to be
> re-recorded (thankfully it's not my voice in the production
> version) but that shouldn't take long.
> 
> Retail price should be around $150 (assembled except for
> the wind/rain mast) with all of the sensors.
> 
> I'll be documenting a demo installation in the coming week,
> with a complete solar powered station in an ammo can.
> 
> Scott
> N1VG
> 
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