Re: thermometers?

[Joe Pfeiffer <pfeiffer@xxxxxxxxxxx>]

Charles Sullivan <cwsulliv@xxxxxxxxxxxx> writes:

> On Sat, 12 Sep 2009 20:25:02 -0600, Joe Pfeiffer wrote:
>
>> Charles Sullivan <cwsulliv@xxxxxxxxxxxx> writes:
>>>
>>> I use a bunch of Oregon Scientific wireless temperature and
>>> temperature/ humidity sensors + an RFXCOM 433.92 MHz RF receiver + Heyu
>>> software (http://www.heyu.org) running on a Linux PC system.
>>
>> Is that the THGR268?  Might be the way to go...
>
> The THGR268 will work, up to 3 units.  Beyond that you'll need to select a
> different model which transmits at different intervals.  Otherwise there
> will be signal corruption when 2 units repeatedly transmit at the same
> time.
>
> How many sensors do you expect to be using?

Oops, thought I saw that it transmitted on a value change...  I'm
looking at roughly half a dozen.

At the moment, putting a thermistor on an XBee module is looking like my
best option...
--
As we enjoy great advantages from the inventions of others, we should
be glad of an opportunity to serve others by any invention of ours;
and this we should do freely and generously. (Benjamin Franklin)