MSGID: <10iibc6$1j3l0$5@dont-email.me> fcac897d
REPLY:  52b085fa
PID: PyGate 1.5.2
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On 25/12/2025 03:25, Robert Riches wrote:
> On 2025-12-24, mm0fmf  wrote:
>> On 11/12/2025 21:18, Carlos E.R. wrote:
>>> Home made with a box of Pringles. just google for "pringles wifi antenna".
>>
>> Also Google cutoff frequency and see that the Pringle tube is too small
>> in diameter to be effective at 2.4GHz.
>>
>> Of course, designs on the internet do not have to follow the laws of
>> physics! :-)
> 
> If you need a different diameter and know what diameter you need,
> any decent hardware store or home improvement big-box store in
> the US and perhaps elsewhere will have a wide assortment of sizes
> of PVC, ABS, and metal pipes and round conduits.  Some adhesive
> and copper foil would seem likely to be useful for making the
> plastic types useable.
> 
If I felt that a design of any sort could be connected to a  Pi Pico W I 
would 3D print it.
But in the end the simpler approach was to create a wifi point higher up.

Signal strength varies wildly, but enough transmissions get through...

-- 
"Strange as it seems, no amount of learning can cure stupidity, and 
higher education positively fortifies it."

    - Stephen Vizinczey



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