[Gta04-owner] Using BMP085

Neil Jerram neil at ossau.homelinux.net
Tue May 29 13:46:29 CEST 2012


"Dr. H. Nikolaus Schaller" <hns at goldelico.com> writes:

>> I'm getting 33 degrees C [1], although the actual temperature in my
>> house is only 16 degrees C.  Is that because the temperature reported is
>> intentionally that *inside* the GTA04, and hence reasonably higher than
>> ambient?  If so, is 33 degrees a reasonable temperature to be measuring
>
> Yes.
>
>> inside the GTA04?
>
> Yes. It can go up to 45-50 degrees if the CPU is running at full power.
> The BMP085 is mounted directly near the CPU and the PCB also
> distributes the heat of other high-power components (WLAN). 
>
> The temp measurements of the BMP085 are done for compensating the
> pressure readings and are not intended to indicate the correct outside temp.

Thanks for the quick and clear replies!

     Neil


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