I have a Moes wall switch and a smart light bulb (Matter). Before, the wall switch was used to toggle an ordinary light bulb. Now with the smart light bulb I would like to use the switch to toggle the smart light bulb instead of interrupting the power to the light bulb (because that leads to a couple of other problems.).
I know that installing several smart devices in series is not a good idea in general. However, it was the only solution available to me at the moment.
Can I missuse/re-program the switch to not actually interrupt the power but toggle the smart bulb?
I don’t think so. I’ve got a couple of those switches and they’re on or off - there’s nothing to keep the light bulb powered.
If it were Zigbee, you could use a switch that was bound to the bulb, rather than one that cut the power - something like the Philips Hue battery-powered dimmer switch. Don’t know is there’s anything similar for Matter bulbs.
Edit: I suppose you might be able to keep the bulb permanently powered on and use a battery-powered Zigbee switch to turn the bulb on and off via HA automations? But then the switch wouldn’t work if HA was down - which is one of the points of the Moes switches.
Can’t you do some rewiring to keep both to the switch and the light powered (so decoupling the switch and the light), then read the value of the switch?
Re-wiring is one option which I read in other posts and seems to be the only option right now. I would like to be able to re-configure the Moes switch in order to decouple the button from the relais. I am pretty sure pressing the button on the switch triggers a circuit which closes/opens the relais instead of a mechanical connection between button and relais. Hence, the relationship between pressing the button and relais state change is programmed on the board and could be changed. However, I think that might be too much of a hassle for what it does. I might just by-pass the switch.