On 15/05/2019 12:24, Chris Green wrote:
We want a set of sockets (powering mostly low power things like lamps,
PCs, phone chargers, etc.) which can be turned on/off remotely by
somrthing like a switch by the door. Thus one would be able to leave
the room and 'turn off' using a swithch at the door.

The other possibility is to use one of the smart slave N way sockets
with a master socket intended for TV/PC so that one off all off.

It doesn't need to be long range, just across a room and I'd really
prefer something mains powered rather than battery powered. We don't
want to have to select what to turn off either, it just needs an
on/off switch (with specific on and off positions, need to know it's
off) to turn off all of the sockets on the particular circuit.

The Quinetic 16A remote is the best I can find so far but it's not
quite guaranteed to maintain it's on/off positions. Is there not some
sort of remote control switch that would look and feel like a normal
light switch, always 'up for off/down for on' (in the UK)?

The snag with all of the ethernet smart devices is that every now and
then they get screwed up and/or fib about their status. Usually nothing
that cannot be fixed by power cycling and they are mostly fine, but
every now and then they either fail to come on when commanded or stay on
when told to switch off despite the mimic diagram showing them off.

Depending on how paranoid you are most of the stuff on IOT can be pretty
easily hacked by anyone motivated to do so. They are not 100% reliable
but they are probably around the 98% mark if you choose wisely.

--
Regards,
Martin Brown