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[wxsig] Fwd: [opentracker] Weather station update - 1 - Wire possibility

H.Michael Seibel m.seibel at verizon.net
Mon Aug 10 04:00:39 UTC 2009


I have been watching, and yes, I am interested in assisting in a design/mfg 
support if I might be of help.

Michael
WB2TZY

(c) 716-316-6013   24x7


----- Original Message ----- 
From: "Gerry Creager" <gerry.creager at tamu.edu>
To: "TAPR Weather Station SIG Mailing List" <wxsig at tapr.org>
Sent: Sunday, August 09, 2009 11:37 PM
Subject: Re: [wxsig] Fwd: [opentracker] Weather station update - 1 - Wire 
possibility


>I had NOT been following it but I'll touch base with Scott.  I'd like to 
>get some of these in and do some tests.
>
> Thanks Gerry
>
> Rich Beckwith wrote:
>> Don't know if any of you are following the OpenTracker group, but
>> thought this very interesting.  Scott is working on a weather station
>> product/project. Should be a fairly capable device when he is done. He
>> is considering a 1-Wire interface for the instrument.
>>
>> Rich
>>
>>
>> ---------- Forwarded message ----------
>> From: Scott Miller <scott at opentrac.org>
>> Date: Fri, Aug 7, 2009 at 6:07 PM
>> Subject: [opentracker] Weather station update
>> To: opentracker at yahoogroups.com
>>
>>
>>
>>
>> The WX boards came in the other day, and I've got the first prototype
>> assembled.
>>
>> After fighting with it all day, I've finally got the stupid barometric
>> pressure sensor working. It involves reading a bunch of calibration
>> constants from the device and doing some math, and I found two errors in
>> the example code given in the data sheet during my testing. After
>> finding the last error, it's now reading within 1 hPa of the barometer
>> on the wall, which is within its specified absolute accuracy.
>>
>> So as of this afternoon, here's the status:
>>
>> Wind speed - working, looks right, needs calibration
>> Wind direction - working, no consensus averaging yet
>> Rain - working, needs calibration
>> Temperature - OK
>> Pressure - OK
>> Humidity - OK
>>
>> No show stoppers with the board layout yet. A couple of minor
>> silkscreen errors, and the board stop on one of the RJ12's interferes
>> with a boss on the lid, but nothing a pair of side cutters can't fix.
>>
>> Scott
>>
>> _______________________________________________
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>> wxsig at tapr.org
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>
> -- 
> Gerry Creager -- gerry.creager at tamu.edu
> Texas Mesonet -- AATLT, Texas A&M University
> Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.862.3983
> Office: 1700 Research Parkway Ste 160, TAMU, College Station, TX 77843
>
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