Shelly 1L/Dimmer in 3 Way Switch UK

[KruseLuds]

This is the way.

2-way switches - “Hotel type”

I have done this and it is a little tricky. I did ALOT of research on it and carefully saved what I learned as it is very valuable! First image below is the before and after concept. I didn’t have a neutral to work with either (at either switch) so I had to use a Shelly 1L. Spend a few minutes studying both of these - especially the first one, which as you can see when either switch is changed position the light changes to the other state than what it was before (off to on or on to off) - that i…