is this possible(hotelswitch)

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Gianni
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is this possible(hotelswitch)

Post by Gianni » Thursday 30 August 2018 23:23

Found this on youtube.
Did the same setup with my sonoff touch,i hear the relay clicking but it's not switch the light on/off on the second switch.


snuiter
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Re: is this possible(hotelswitch)

Post by snuiter » Friday 31 August 2018 11:43

This is quite interesting to see since it works on signalling. It looks if connected properly it should work.

Do you have the same sonoff touch model/version with signalling etc..

According to the video this is Lumos not Sonoff guess there is the problem

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Re: is this possible(hotelswitch)

Post by Gianni » Friday 31 August 2018 14:28

i got the sonoff T1 with tasmota
I have te same wiring but it's not working like in the youtube movie
The relais on the second switch is clicking and the light go on and of on the switch but the bulb did not turn on and off :-)

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Re: is this possible(hotelswitch)

Post by gordonb3 » Friday 31 August 2018 15:32

I'm actually somewhat amazed by the wiring on that Lumos, because you cannot feed an electric device with just one wire. Which must mean that it uses the connected lamp as the neutral terminal and you will therefore likely always see some glowing in that lamp.

The Sonoff looks more normal, but it does not appear to have the signalling function you would need for this setup. The switch does allow to be controlled remotely though by both wifi and may be paired with a 433MHz transmitter. As such it should be technically possible, but doing a quick scan on the internet I can't find any mentioning that you can use one (or more) switch as a remote to another.

Which brings us to the third option and that is to use Domoticz to do the grouping, assuming the switches don't wait for a noticeable time before reporting a state change. Install one switch connected to the lamp and install the second one with `Lout` disconnected. Next you'll need to create a script in Domoticz that will duplicate any change of state in either switch to the other one. That will need some thinking as I don't think it will work to make them both a slave to the other one.

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sincze
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Re: is this possible(hotelswitch)

Post by sincze » Saturday 01 September 2018 18:06

gordonb3 wrote:
Friday 31 August 2018 15:32
.....because you cannot feed an electric device with just one wire. Which must mean that it uses the connected lamp as the neutral terminal and you will therefore likely always see some glowing in that lamp.
That is why the old CoCo or KaKu wall units did not work well with LED lights, but do work with non LED lights. They are powered from 1 cable. :D in the Netherlands.. the 'Brown' one.

Different case: f I want to move to zwave wall switches it seems I have to add a blue wire as well to make the switch power on. As without it it stays quiet.
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Re: is this possible(hotelswitch)

Post by mrf68 » Saturday 01 September 2018 19:21

When you take a closer look at the 1 gang switch, you will notice that it only gets power from the mains. There is no lightbulb connected to it. The 2 gang switch has both lightbulbs connected. So the 1 gang switch just tells the 2 gang switch to toggle the first switch.

I do this with Tasmotized Sonoff switches in combination with Domoticz. Give both switches the same idx that toggles a light and you will see that you can turn it on with one switch and turn it off with the other one.

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Re: is this possible(hotelswitch)

Post by Gianni » Saturday 01 September 2018 22:58

i just created a dzvent with two different idx in tasmota and now my hotelswitch work.
1 switch connected normal to the light bulb and 1 just the N en L

Does any1 know if the UK fits en a square EU wall box?
I need a 3 gang but that only UK an US

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