Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Adrian Newsgroups: comp.sys.raspberry-pi Subject: Re: USB controlled mains switch Date: Sun, 19 Jan 2025 13:53:49 +0000 Organization: Occasionally Lines: 43 Message-ID: References: Reply-To: Adrian MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1;format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 19 Jan 2025 15:00:47 +0100 (CET) Injection-Info: dont-email.me; posting-host="5f6796f6468b50bf2633cb80a508685e"; logging-data="2391144"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18xvY2rAnR4DbViHWG2WzPwq8oxnGqm9YI=" User-Agent: Turnpike/6.07-M () Cancel-Lock: sha1:93d+4PR1EpUQLcnrEMMojvUkN2s= Bytes: 2966 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 -- To Reply : replace "bulleid" with "adrian" - all mail to bulleid is rejected Sorry for the rigmarole, If I want spam, I'll go to the shops Every time someone says "I don't believe in trolls", another one dies.