From: bulleid@ku.gro.lioff
In message , Mike Scott
writes
>On 18/01/2025 23:07, Adrian wrote:
>> I'm looking for a USB controlled mains switch (230V AC) that I can
>>connect to a PI to turn a mains power supply on and off.
>> I've done a bit of digging around on the net, and the options seem
>>to fall into two categories, either a relay device which means having
>>rewire the device (which I'd rather avoid), priced around 30Euros or
>>one that sits in line (between the device and the supply). The latter
>>appears to be in excess of 100Euros, which is considerably more than I
>>want to pay.
>> Any suggestions on where to look ? I'm not interested in a wireless
>>solution, as it is likely to be used in places where signals are not
>>reliable.
>
>Oh, and if you only need a PI for local control, with no networking,
>don't forget the PI can be an AP and run a nearby wireless device
>without a central router.
>
The Pi already exists, and is connected to my home LAN (Ethernet). A
range of a few feet should work for WiFi (if I used the PI as an AP),
but home WiFi is at best flaky where I want to run this, hence why the
Pi is on Ethernet.
>(FWIW I'm leaning towards the Shelly Plus Plug, at around £20. IIRC
>there's a euro version too. It's the only one I've found that seems not
>to need cloud servers.)
>
£20 is nearer the make for what my soggy finger in the air suggested
would be a sensible price, the LocalBytes site mentioned elsewhere in
the thread comes out at £12.75. Although I quoted prices in euros, I'm
in the UK, but all the items I'd found so far were priced in euros.
Thanks
Adrian
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