Re: Replacing and automating the Central Heating switch (PIC fixed)

["Frank Mc Alinden" <frankmc@xxxxxxxxxxxxxxxx>]

Celcuis version

http://www.national.com/pf/LM/LM35.html

HTH
Frank


----- Original Message -----
From: "Frank Mc Alinden" <frankmc@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Saturday, February 04, 2006 8:25 AM
Subject: Re: [ukha_d] Replacing and automating the Central Heating switch
(PIC fixed)


> Hi Gareth
>
> Have a look at the link it may help....
>
> http://www.automated1.com/prod_atp1000.htm
>
> I have one of these in bits ,it was given to me to test and was going
to
> be
> used with a comfort i believe.....The actual sensor inside is an
> LM34...Which from memory  is a Farenheit sensor im sure you can get a
> Celcius sensor...there doesnt appear to be anything else on the board
> except
> a track which appears to form an inductor , so maybe you can make your
own
> sensor....
> This sensor changes 10mV per degree F
> HTH
> Frank
>
> ----- Original Message -----
> From: "Gareth Cook" <g@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Saturday, February 04, 2006 12:10 AM
> Subject: Fw: [ukha_d] Replacing and automating the Central Heating
switch
> (PIC fixed)
>
>
>> And can this be plugged directly in Comfort - and appear as a
analog
>> value
>> ?
>>
>> As thats what I need...
>>
>> G.
>>
>> Gareth Cook
>> Tools and Process Architect
>> IBM SWG Sales - Lotus Park, Staines, TW18 3AG
>> Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
>> AIM Chat : TheBoyG - MSN Chat : chat@xxxxxxx
>> email: g@xxxxxxx
>>
>>
>> ----- Forwarded by Gareth Cook/UK/IBM on 03/02/2006 13:09 -----
>>
>> Discussion
>> Main Topic
>>
>> ukha_d@xxxxxxx
>> Today 13:05
>>
>> .
>> Subject:
>> .
>> RE: [ukha_d] Replacing and automating the Central Heating switch
(PIC
>> fixed)
>> .
>> Category:
>>
>>
>>
>> If you are after thermistor sensors then take a look at Sontay,
they can
>> supply most thermistor types. They do standard thermostat sized
units,
>> thimbles (a al smartkontrols) and beads. www.sontay.com
>> <http://www.sontay.com/>
>>
>>
>>
>> Neil B.
>>
>>
>>
>>  _____
>>
>> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
>> Gareth Cook
>> Sent: 03 February 2006 12:50
>> To: ukha_d@xxxxxxx
>> Subject: Fw: [ukha_d] Replacing and automating the Central Heating
switch
>> (PIC fixed)
>>
>>
>>
>> I just need a price, a website, and a big button that says
"Order"
>>
>> G.
>>
>> Gareth Cook
>> Tools and Process Architect
>> IBM SWG Sales - Lotus Park, Staines, TW18 3AG
>> Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
>> AIM Chat : TheBoyG - MSN Chat : chat@xxxxxxx
>> email: g@xxxxxxx
>>
>>
>> ----- Forwarded by Gareth Cook/UK/IBM on 03/02/2006 12:48 -----
>>
>>
>>
>> Gareth Cook wrote:
>>> damn.
>>> Yes there would be !
>>> OK, so now I need a temp. sensor that can report a analog
value back to
>>> Comfort - either directly or via CBUS.
>>> Any ideas anyone ?
>>>
>>
>> A thermistor? :-)
>>
>> Or, if you're feeling extravagant, a PIC (or similar) with 8bit
DAC on
>> board, and a 1-wire temperature sensor?
>>
>> Jim
>>
>>  _____
>>
>>
>>
>> [Non-text portions of this message have been removed]
>>
>>
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