Order Tray | Contact Us | Home | SIG Lists

[wxsig] questions

Rich Beckwith rjbeckwith at gmail.com
Fri Mar 6 13:09:56 UTC 2009


Ditto.  The original Dallas design is VERY durable and easy to repair and
maintain.

I wish we could find a way to get the plastic pieces manufactured, come up
with our own design for the PCB and possibily sell the TAPR 1-wire weather
station.

Rich - wn0x

On Thu, Mar 5, 2009 at 9:39 PM, William Beals <will at beals5.com> wrote:

> Clay:
>
> Yes, the 1-wire protocol is very well defined and consistent.  What isn't
> consistent is how the weather data is transmitted over that 1-wire
> protocol.
> For things like rain and wind speed that are essentially just counting
> clicks, it is pretty consistent as there is pretty much only one obvious
> way.  For things like wind direction, humidity, barometric pressure, the
> way
> data is represented depends on what sensor they pick and how they interface
> it to a 1-wire chip.
>
> Texas Weather instruments was (and clearly is) still very expensive.  When
> Dallas got out of the business of selling essentially subsidized sensors
> there was a collective panic until AAG came along.  AAGs new line of
> sensors
> are a radical departure from what they had before, so it would be a rewrite
> of the T238 code that gets the wind speed, direction, and temperature data.
>
> What I can say and know a lot of others agree, is that the quality of the
> Texas Weather instruments and their offspring (Dallas sensors and the AAG
> ones) is very high.  My weather station has had issues, but none have been
> due to the instruments themselves.  My friends and relatives with the Peet
> and Davis instruments have not been nearly as long-lived.
>
> will
>
> -----Original Message-----
> From: wxsig-bounces at tapr.org [mailto:wxsig-bounces at tapr.org] On Behalf Of
>  Clay Jackson
> Sent: Thursday, March 05, 2009 7:58 PM
> To: TAPR Weather Station SIG Mailing List
> Subject: Re: [wxsig] questions
>
> Pardon me for jumping in here; but, I'm not sure I get the
> "incompatibility" here.  Aren't the 1-wire protocols pretty well
> defined?   A friend of mine and I are looking at for a 1-Wire/
> OpenTracker II solution for a remote application here in the Puget
> Sound area; and this has me concerned.
>
> Also, I'm not sure the Texas Instruments systems are all that good a
> deal - from their price list,  it looks to me like a "full" station
> (wind, temp, humidity, rain) is pushing $700; for that there are lots
> of other options, including Peet, Davis and Oregon Scientific.
>
> Clay
> N7QNM
>
> On Mar 5, 2009, at 6:47 PM, William Beals wrote:
>
> > Rich:
> >
> > Unfortunately, I am not sure.  I do remember looking at them a
> > loooong time
> > ago when Dallas first said they were getting out of the business of
> > selling
> > weather stations and I vaguely remember they were compatible, but
> > not well
> > enough to bet $250 on it!  Does anyone else know for sure?
> >
> > will
> >
> > -----Original Message-----
> > From: wxsig-bounces at tapr.org [mailto:wxsig-bounces at tapr.org] On
> > Behalf Of
> > Rich Beckwith
> > Sent: Wednesday, March 04, 2009 6:10 AM
> > To: TAPR Weather Station SIG Mailing List
> > Subject: Re: [wxsig] questions
> >
> > Will,
> >
> > Do you know if the unit from Texas Weather Instruments is compatible?
> > http://www.txwx.com/1wire_bro1.htm
> >
> > At $250 it is over twice the cost of the original Dallas or AAG unit
> > but
> > looks exactly like the Dallas  unit to me.
> >
> > Rich
> >
> > On Tue, Mar 3, 2009 at 9:03 PM, William Beals <will at beals5.com> wrote:
> >
> >> Wow, that is a big change from the original sensors--and
> >> unfortunately
> >> clearly not T238(+) compatible.
> >>
> >> will
> >>
> > (trimmed email)
> >
> >
> > _______________________________________________
> > wxsig mailing list
> > wxsig at tapr.org
> > https://www.tapr.org/cgi-bin/mailman/listinfo/wxsig
> >
>
>
> _______________________________________________
> wxsig mailing list
> wxsig at tapr.org
> https://www.tapr.org/cgi-bin/mailman/listinfo/wxsig
>
>
> _______________________________________________
> wxsig mailing list
> wxsig at tapr.org
> https://www.tapr.org/cgi-bin/mailman/listinfo/wxsig
>


More information about the wxsig mailing list