Re: [weewx-user] raspi4 users yet ?

[James Muirhead]

TBH, I have a load of different SBCs running various different servers 
around my house. So I tend to just upgrade whenever I get a new one, old 
pies becoming a simpler variety of server...

   - Raspberry Pi rev 2 - MQTT, web, print & scanner server (going to be 
   replaced soon),
   - Raspberry Pi rev 2 - X Link Kai,
   - Banana Pi M1 - TV server (4 DVB-T tuners & a hard drive),
   - Orange Pi PC - Open VPN,
   - Raspberry Pi B+ - DreamPi,
   - Raspberry Pi 2B - Octoprint,
   - Raspberry Pi 3B - Octoprint,
   - Raspberry Pi 3B+ - NextCloud (to be replaced with a Banana Pi M1),
   - Raspberry Pi 3B+ - RetroPie (Pi 4B won't fit in case :'( ),
   - Orange Pi Zero 256MB - WeeWX with a WH1080.
   - Raspberry Pi A - Kite Aerial Photography rig (will be upgraded),
   - Raspberry Pi A - Portable dev kit for use with Lapdock (will probably 
   be upgraded),
   - Raspberry Pi A+ - FM transmitter server (for internet radio in shower),
   - Orange PI PC (coming soon) - ZNC server.
   - Etc,
   - Etc.

I would love a Pi4, just not yet as I can't get RetroPie working great yet!

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Re: [weewx-user] raspi4 users yet ?

['Peter Fletcher' via weewx-user]

On Tuesday, July 9, 2019 at 7:11:00 PM UTC-5, Jack Fenimore wrote:
>
>
>
> If you are grabbing a 4, be aware of the USB-C port: 
> https://www.scorpia.co.uk/2019/06/28/pi4-not-working-with-some-chargers-or-why-you-need-two-cc-resistors/
>
>
> Not a problem if you use the recommended power supply, though these 
currently seem to be more back-ordered than the Pis themselves. 

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Re: [weewx-user] raspi4 users yet ?

[Jack Fenimore]

I think it is overkill--but I did it anyway--so I've been running Raspbian 
with weewx with the Cumulus plug-in and the CPU is idle.  I don't believe 
heat would be an issue in this config however I am using an RTL-SDR that 
runs very hot so it skews things.  No case or fans presently.  My onboard 
temperature is 65C after running 2 days but I attribute that to the 
RTL-SDR.  So I have heat sinks and a fan on order to deal with that 
aspect.  

If you are grabbing a 4, be aware of the USB-C port: 
https://www.scorpia.co.uk/2019/06/28/pi4-not-working-with-some-chargers-or-why-you-need-two-cc-resistors/

Cheers.

On Sunday, June 30, 2019 at 8:43:48 AM UTC-4, James Muirhead wrote:
>
> Is a Raspberry Pi 4 not massive overkill?
>
> I'm running the default skin on an Orange Pi Zero with 256MB of RAM. Does 
> have a quad 1.2GHz CPU though.
>
> -James Muirhead.
>

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Re: [weewx-user] raspi4 users yet ?

[vince]

On Sunday, June 30, 2019 at 5:43:48 AM UTC-7, James Muirhead wrote:
>
> Is a Raspberry Pi 4 not massive overkill?
>
>
Depends on how complicated your weewx setup is, and what 'other' stuff 
you're running on the same pi.

 

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Re: [weewx-user] raspi4 users yet ?

[James Muirhead]

Is a Raspberry Pi 4 not massive overkill?

I'm running the default skin on an Orange Pi Zero with 256MB of RAM. Does 
have a quad 1.2GHz CPU though.

-James Muirhead.

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Re: [weewx-user] raspi4 users yet ?

[Robert Lorenzini]

https://lifehacker.com/the-raspberry-pi-4s-most-interesting-quirks-1835871780

Bob - wd6dod

On 6/27/2019 8:25 AM, Leon Shaner wrote:

Well, does it?
Pi's are power managed in that they draw what they need based on what 
they're doing.
Sure, the Pi 4 is capable of drawing more, but will it do so for the 
workload needs of WeeWx and related SW?


For one thing the Pi 4's new SoC is on paper 2-3x as efficient as a Pi 
3, so things may either run ~2x as fast or waste fewer cycles getting 
the job done.
Only way to know is to run exact same OS version and software stack on 
two different units side-by-side, and measure how many watts they're 
actually pulling nominally and during peak times and actually compare 
the two.   YMMV.  =D


I'm holding out for the 4 GB Pi 4, which is out of stock already, 
where I live.
Not needed for WeeWx, but as my main development platform, while a 
slower Pi Zero runs the code developed and unit tested on the Pi 4.


I sure do like having a faster box so compile times are faster.  =D
And to that end, eventually there will be a 64-bit Raspbian on the 
official support train, in which case the additional memory will get 
me past some hurdles where the 2 GB virtual memory per process 
currently has me shutting off SW features that gcc/ gplusplus can't 
manage to build with only 2 GB VM.

But I digress.  ;-)

Regards,
\Leon
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On Jun 27, 2019, at 11:05 AM, Robert Lorenzini  
wrote:


 Be aware that the 4 draws more power and runs hotter.

Bob - wd6dod

On 6/27/2019 8:02 AM, vince wrote:
Anybody have a raspi4 yet ?   I'm curious what the time to process 
skins is on this one vs. a pi3b+ since the new one is reportedly 
much faster in general.

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Re: [weewx-user] raspi4 users yet ?

[vince]

On Thursday, June 27, 2019 at 8:25:38 AM UTC-7, Leon Shaner wrote:
>
> Well, does it?
> Pi's are power managed in that they draw what they need based on what 
> they're doing.
> Sure, the Pi 4 is capable of drawing more, but will it do so for the 
> workload needs of WeeWx and related SW?
>
>
We've had zillions of reports of people with complicated/multiple skins and 
other software on the same box who overload a pi.

All the analysis reports on the pi4 say it draws more power and runs much 
hotter, some even advocating active cooling.   As always, reports are 
sometimes not worth the bits they're written on, so I was curious for 
real-life folks doing similar non-intensive things.  But still it looks 
like a pretty solid box for well under $100 end to end.

The real Gbit ethernet and usb3 enough gets me interested, once the Fliirc 
case (https://flirc.tv/more/raspberry-pi-4-case) is available I'll probably 
grab one.  Those cases are excellent on the pi3 and pi3+ and look pretty 
good too.

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Re: [weewx-user] raspi4 users yet ?

[Leon Shaner]

Well, does it?
Pi's are power managed in that they draw what they need based on what they're 
doing.
Sure, the Pi 4 is capable of drawing more, but will it do so for the workload 
needs of WeeWx and related SW?

For one thing the Pi 4's new SoC is on paper 2-3x as efficient as a Pi 3, so 
things may either run ~2x as fast or waste fewer cycles getting the job done.
Only way to know is to run exact same OS version and software stack on two 
different units side-by-side, and measure how many watts they're actually 
pulling nominally and during peak times and actually compare the two.   YMMV.  
=D

I'm holding out for the 4 GB Pi 4, which is out of stock already, where I live.
Not needed for WeeWx, but as my main development platform, while a slower Pi 
Zero runs the code developed and unit tested on the Pi 4.

I sure do like having a faster box so compile times are faster.  =D
And to that end, eventually there will be a 64-bit Raspbian on the official 
support train, in which case the additional memory will get me past some 
hurdles where the 2 GB virtual memory per process currently has me shutting off 
SW features that gcc/ gplusplus can't manage to build with only 2 GB VM.
But I digress.  ;-)

Regards,
\Leon
--
Leon Shaner :: Dearborn, Michigan (iPad)

> On Jun 27, 2019, at 11:05 AM, Robert Lorenzini  wrote:
> 
>  Be aware that the 4 draws more power and runs hotter.
> 
> Bob - wd6dod
> 
>> On 6/27/2019 8:02 AM, vince wrote:
>> Anybody have a raspi4 yet ?   I'm curious what the time to process skins is 
>> on this one vs. a pi3b+ since the new one is reportedly much faster in 
>> general.
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Re: [weewx-user] raspi4 users yet ?

[Robert Lorenzini]

Be aware that the 4 draws more power and runs hotter.

Bob - wd6dod

On 6/27/2019 8:02 AM, vince wrote:
Anybody have a raspi4 yet ?   I'm curious what the time to process 
skins is on this one vs. a pi3b+ since the new one is reportedly much 
faster in general.

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[weewx-user] raspi4 users yet ?

[vince]

Anybody have a raspi4 yet ?   I'm curious what the time to process skins is 
on this one vs. a pi3b+ since the new one is reportedly much faster in 
general.

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