INTL 3:770/1 3:770/3
REPLYADDR cl@isbd.net
REPLYTO 3:770/3.0 UUCP
MSGID: <6pru5l-oju1.ln1@q957.zbmc.eu> d698df05
REPLY: a83d6c09
PID: SoupGate-Win32 v1.05
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 to
> 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.
>
I don't understand the difference. Surely anything that's going to
turn something on/off needs to be "one that sits in line (between the
device and the supply)" doesn't it?
Do you mean (the ones that cost 100 Euros or more) something that
already has a mains plug and socket on it? I think they're going to
be expensive simply because they aren't much in demand. What 'the
world' wants is a WiFi connected switch and they're two a penny of
course.
> 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.
>
I think you'll probably have to bite the bullet and get a relay board
of some sort. Does it **have** to be USB? There's lots of quite neat
relay hats for the Pi.
--
Chris Green
ยท
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