Re: Record temperature to computer via serial port

[Charles Sullivan <cwsulliv@xxxxxxxxxxxx>]

On Wed, 02 Aug 2006 12:39:03 -0700, Konnexman wrote:

>
> Charles Sullivan wrote:
>> If you're interested in an X10 approach, take a look at Smarthome's
>> TempLinc 1625 <http://www.smarthome.com/1625.HTML>.  It'll transmit
>> the temperature data over the AC house wiring vi X10 signals so you
>> can plug in one or more (up to 16) at various places in the house
>> without extra wiring.
>>
>> If you also have an X-10 CM11A computer interface (~$30), the
>> TempLinc is fully supported by the (free) HEYU software for
>> Linux, Unix, and Mac OS X <http://www.heyu.org>.  Timestamped
>> temperature data can be automatically written to the HEYU log file.
>>
>> (With the CM11A and HEYU, you can do a lot of other great home
>> automation stuff too.)
>>
>> Regards,
>> Charles Sullivan
>>
>>
>> On Mon, 31 Jul 2006 11:05:00 -0700, Alex wrote:
>>
>> > Hi Everyone,
>> >
>> > With electric costs going so high, I want to start monitoring the
>> > temperature in my home via the computer and see the best way to program
>> > my A/C to come on and off during the day and at night.  I figure the
>> > best way is to rig-up a temperature gauge to the computer via serial
>> > port and write a small Linux script to take the temp and drop it into a
>> > file with a time stamp.
>> >
>> > Can someone suggest such a device which would give me this information?
>> >  I assume they are floating out there, but searching Google mainly
>> > returned outdated pages for such devices (some going back to 1999) or
>> > just plans on how to build one.  Though I don't mind building such a
>> > device, I've never built something like this from the component level
>> > before.
>> >
>> > Thanks for any suggestions or ideas on this ...
>> >
>> > Alex
>
> Charles,
>
> That is a great way of doing this temperature monitoring, but you have
> to take into account that to have a reliable temperature mettering, you
> must place your sensors at 150cm from the floor.
>
> Cheers!

The TempLinc sensor is connected to the transmitting unit with a 6 foot
cable (or optional 12 foot cable) so appropriate sensor placement is
normally not a problem.