[arm-allstar] CPU Temp

[Mike Besemer - WM4B]

Unfortunately a peltier isn't going to help him much - if at all - if 
the ambient temperature in the room is nearly the same - or perhaps 
hotter - than the processor temperature.

Sometimes the laws of physics (and thermodynamics) suck!

Mike
WM4B


On Thu, Jul 19, 2018 at 11:49 AM, "Mark Grigsby via arm-allstar" wrote:

> I have used peltier modules on other equipment n he past.  Here is an
> article where an individual used a 15x15 mm peltier module and a small
> fan to cool his PI.
> There is a link to the peltier module from DigiKey in the article.
> I would recommend a beter method o getting th required 3 volts for
> this model, but that should be doable with some minimal external
> components.
>
> 
> http://www.idlehandsproject.com/quick-project-peltier-on-a-raspberry-pi-happy-pi-day/
> On Thu, Jul 19, 2018 at 5:09 AM "k6cks01 via arm-allstar"
> <arm-allstar at hamvoip.org> wrote:
>>
>> Thanks for the info on this heat sink Joe!  At 6:00 This morning my 
>> RPi is running 125 degrees F.  It will get much hotter during the 
>> peak of the day.  There is positive airflow in the rack but the 
>> ambient temp in the building is simply hot.  No hvac in the building. 
>> I have ordered the heatsink and will give it a try.  Thanks and 
>> 73,Rory Bowers,  K5CKS Fort Smith, AR.
>>
>>
>> Sent via the Samsung Galaxy S®6 active, an AT&T 4G LTE smartphone
>> -------- Original message --------From: David via arm-allstar 
>> <arm-allstar at hamvoip.org> Date: 7/19/18  1:18 AM  (GMT-06:00) To: ARM 
>> Allstar <arm-allstar at hamvoip.org> Cc: David <david at kg5rdf.com> 
>> Subject: Re: [arm-allstar] CPU Temp
>> Thanks, will test it. Just order one.
>> -------- Original message --------From: Joe Puma via arm-allstar 
>> <arm-allstar at hamvoip.org> Date: 7/18/18  10:13 PM  (GMT-06:00) To: 
>> ARM Allstar <arm-allstar at hamvoip.org> Cc: Joe Puma <kd2nfc at gmail.com> 
>> Subject: Re: [arm-allstar] CPU Temp
>> David try this heatsink 
>> https://www.amazon.com/gp/product/B07BT855JV/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1 
>> <https://www.amazon.com/gp/product/B07BT855JV/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1>
>>
>> Its been keeping my Pi very cool. 42C even when theres a lot of 
>> processor use.
>>
>> Joe
>> kd2nfc
>>
>>
>>
>>> On Jul 18, 2018, at 9:49 PM, David via arm-allstar 
>>> <arm-allstar at hamvoip.org> wrote:
>>>
>>>
>>>
>>>
>>> We have one site that is a hot box. CPU temperature is 120f. 
>>> Environment is easy 125f today. It has a fan and heat sinks. Am I 
>>> looking for a melt down or is CPU temp within tolerance.
>>> 3705 key ups, 77 hours, and all good on private node.
>>>
>>> Thanks DAVID KG5RDF
>>> _______________________________________________
>>>
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>>>
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>>
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>
>
>
> -- 
> DE KA7FHA
> --
> Some carbon based operating systems should be left with no accessible
> keyboard or mouse
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