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[aprssig] Need a KPC-3 Plus

scott at opentrac.org scott at opentrac.org
Thu Aug 30 17:23:23 UTC 2007


Sure.  It's got one LM335 on the board and will report that temperature in the status line.  You can add more sensors if you turn on the telemetry option, but they're not converted to temperatures, just shown as raw values.

You can also run it in 1-wire weather mode and hook a DS18S20 up to it.  It'll send that temperature in weather format and the internal temperature in the status line.  That'd probably be the simplest way to do it.  The DS18S20 is also more accurate and since it's a digital sensor it's not affected by voltage drop in the cabling.  The advantage of weather format is that it's displayed and graphed properly in FindU and other clients, no need to convert units.

Scott
N1VG
  _____  

From: Dave Sloan [mailto:desloan at earthlink.net]
To: 'TAPR APRS Mailing List' [mailto:aprssig at lists.tapr.org]
Sent: Thu, 30 Aug 2007 10:07:54 -0700
Subject: RE: [aprssig] Need a KPC-3 Plus

Scott,
   No we don't need a digi. Just need to send the telemetry form two LM355's
so that we can monitor both inside and outside temperature at the repeater
site. Will the OpenTracker+ be able to do this?

Dave N0EOP

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Scott Miller
Sent: Wednesday, August 29, 2007 2:00 PM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] Need a KPC-3 Plus

Four weeks till the Tracker2s are here, according to the factory!  Half 
the price of a KPC-3+, with a built-in temperature sensor.

And if you don't need it to be a digi itself, why not just use an 
OpenTracker+ for $32?

Scott
N1VG

Dave Sloan wrote:
> Hello,
>    Anyone have a KPC-3 for sale. We are looking for one to put on a
mountain
> top so that we can send the internal temp of the building to the digi on
the
> next mountain top.
> 
> 73 & TNX,
> Dave N0EOP
> 
> 
> _______________________________________________
> aprssig mailing list
> aprssig at lists.tapr.org
> https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig
> 
> 


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