[arm-allstar] Good deal on RPI3B plus

[Justin Reed]

The Pi 2 is still being sold and doesn’t require fans. I prefer to use them for Allstar since the Pi 3 is power hungry overkill. The 3 B+ is pushing the limits of micro USB. Last I knew Micro Center still has the 2 for sale.

Sent from my iPhone

> On Aug 30, 2018, at 1:07 PM, Doug Kingston via ARM-allstar <arm-allstar at hamvoip.org> wrote:
> 
> Given the power of the Pi is overkill for our processing needs in most
> cases, is there a way to "under-clock" them to keep them running cook
> without a fan?  Mechanical fans are another source of failure.
> 
> -Doug-
> 
> On Thu, Aug 30, 2018 at 10:45 AM "Doug Crompton via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
> 
>> The 3B+ definitely gets hotter. It must have heatsinks and preferably also
>> a fan. Use the cpu_stats.sh to check temperature under load. A heatsink and
>> fan are a must when using turbo mode.
>> 
>> 
>> *73 Doug*
>> 
>> *WA3DSP*
>> 
>> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>> 
>> On Thu, Aug 30, 2018 at 1:32 PM "David McGough via ARM-allstar" <
>> arm-allstar at hamvoip.org> wrote:
>> 
>>> 
>>> I, too, have had a *FEW* 3B+ units that seemed to want to "spontaneously
>>> reboot," for no explainable reason. I put heatsinks on all my SoC chips
>>> and power via stout 5v3a DC-DC converters. I've tried different kernels,
>>> etc., nothing seemed to resolve this.
>>> 
>>> One of these boards which always wanted to reboot every few days or so
>> got
>>> (inadvertently) sat in front of a muffin fan....Now 32 days have gone by
>>> and no reboots or bad behavior at all.  Hum. Interesting.
>>> 
>>> 
>>> 73, David KB4FXC
>>> 
>>> 
>>>> On Thu, 30 Aug 2018, "Sean McCarthy via ARM-allstar" wrote:
>>>> 
>>>> FWIW, I'm personally staying clear of the 3B+ units for the time
>> being. I
>>>> have tried several for Hamvoip nodes and all have exhibited undesirable
>>>> behaviour. Of course this is only *my* experience, YMMV...
>>>> 
>>>> On Thu, Aug 30, 2018 at 9:52 AM "James R. Pilgram via ARM-allstar" <
>>>> arm-allstar at hamvoip.org> wrote:
>>>> 
>>>>> $34.49 and Free next day Fedex Shipping and they even ship these to
>>>>> Hawaii next day free!
>>>>> 
>>>>> 
>>> https://www.arrow.com/en/products/raspberrypi3b/raspberry-pi-foundation
>>>>> 
>>>>> _______________________________________________
>>>>> 
>>>>> ARM-allstar mailing list
>>>>> ARM-allstar at hamvoip.org
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>>>>> 
>>>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>>>> 
>>>> _______________________________________________
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>>>> 
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>>>> 
>>> 
>>> _______________________________________________
>>> 
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>>> 
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>>> 
>> _______________________________________________
>> 
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>> 
> _______________________________________________
> 
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> 
> Visit the BBB and RPi2/3 web page - http://hamvoip.org