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

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

Actually Gareth i think the LM35DZ is a better option...

http://www.maplin.co.uk/Module.aspx?ModuleNo=2886&doy=search

HTH
Frank


----- Original Message -----
From: "Frank Mc Alinden" <frankmc@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Saturday, February 04, 2006 8:32 AM
Subject: Re: [ukha_d] Replacing and automating the Central Heating switch
(PIC fixed)


> 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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