Re: xPL-Probe-Temp Sensing

["George M" <gmotichka@xxxxxxxxxxxxx>]

Frank,

Have you ever heard whether the TOM10 will be able to read temps in F
degre=
es?

George M
----- Original Message -----=20
From: Frank Mc Alinden=20
To: ukha_xpl@xxxxxxx=20
Sent: Friday, August 12, 2005 5:11 PM
Subject: [ukha_xpl] xPL-Probe-Temp Sensing


Hi All
Thought i would mention a little project i have been working on =
for=20
a few weeks now..
I  currently use the TOM10 board for temp sensing, but thought it would b=
e=20
nice if my Probe system could also monitor temp sensors as well as video =
+=20
led probes....This would save me a cat5 cable in each room ..as i have a=
=20
probe zone box currently in each room

First thing i did was surf the net for some asm pic code for the dallas 1=
820=20
1 wire temp sensor.
After a frustrating two weeks and trying  bits of different codes  i have=
=20
managed to get my probe system to read the temp sensor...At the moment=20
though it  only has a tolerence of .5degree but hopefully down the track =
i=20
can mod the code to get it down to 1/10 degree.....

Some resistor changed was  required in the Probe zone box ( and also the=
=20
probe hub) , my intension is to make probes 5+6 of each zone box a temp=20
probe  OR standard probe input ..The probe hub will auto detect if a temp=
=20
sensor is present....

Next is to order some dallas 1820 sensors and mod my  probe system and  t=
ry=20
it out ...Still a bit of work to be done............

Tonys xPL-PROBE plugin might require a slight mod as can be seen by the=20
captured message below it reports the temp as status rather than=20
current.....

xpl-stat
{
hop=3D1
source=3Daec-probe.test
target=3D*
}
probe.basic
{
zone=3Dtest5
probe=3Dprobe5
status=3D20.5 c
}

More Soon
Frank

www.armaghelectrical.com.au=20



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