Don't know the ZigBee gateway and hard to tell from the pictures what it 
needs.

But the Flicr case is very similar to most cases, but with the Flicr the 
case is the heat sink, so instead of attaching the standard heat sink to 
the CPU module you attach the case via a rectangular extrusion that matches 
the size of the CPU and goes vertically to the top of the case.

Unfortunately I can't send photos or anything as mine is assembled and the 
downsize is I can't get to the mother board now as it is attached to the 
lid. which is an obvious drawback if you want to be able to plug things in 
etc. I guess that as long as you have a supply of double sided thermal tape 
you could remove the case and reattach it when required though.

On Thursday, April 2, 2020 at 7:49:30 PM UTC+1, Vetti52 wrote:
>
> Looks pretty nice, Mike!
>
> do you know, if there is enough room inside the flirc case for a hat 
> module? My RPi4 also serves as a ZigBee gateway. The zigbee thing is a hat 
> mounted module board. All of the RPi4 cooling cases, I tried, do not have 
> enough space for this HAT board. 
>
> BTW, after using your solution, the CPU temp is monitored at 54 °C. It was 
> at ybut 60 °C, but is lower since the latest kernel update. In comparison 
> to the output of "cat /sys/class/thermal/thermal_zone0/temp", the values 
> vary less then 2 degrees, but they almost always vary. Maybe an academic 
> question...
>
> Thanks so far!
>
> Peter
>
> Am Samstag, 28. März 2020 15:46:21 UTC+1 schrieb Mike Revitt:
>>
>> Can't find the CPU frequency code, but while I am looking I thought you 
>> might find this interesting, this is the CPU temperature graph from my 
>> Raspberry Pi.
>>
>> On the left is the temperature from the standard case, on the right is 
>> the temperature after I get a Flirc case, This case not only looks really 
>> cool but my Raspberry Pi now runs 20 degrees cooler. I am using a Raspberry 
>> Pi 4 by the way which runs 10 degrees hotter than my 3+.
>>
>> https://flirc.tv/more/raspberry-pi-4-case for product data
>>
>> https://www.amazon.co.uk/gp/product/B07WG4DW52/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
>>  
>> if you want to buy one in the UK
>>
>>
>> [image: daytemp.png]
>>
>>
>> On Thursday, March 26, 2020 at 5:45:52 PM UTC, Meteo Oberwallis wrote:
>>>
>>> Am Donnerstag, 26. März 2020 17:42:14 UTC+1 schrieb Mike Revitt: 
>>> > O have worked out how to get the CPU frequency which sort of helps, 
>>> but would need to look into this 
>>> > 
>>> > On Thursday, March 26, 2020 at 4:09:05 PM UTC, Meteo Oberwallis 
>>> wrote:Hello. 
>>> > Is it also possible to read out the CPU load from the Raspberry and 
>>> write it to the database? 
>>>
>>> Sounds good ;-) 
>>
>>

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