A control panel using Shelly i4 connected to whatever inputs you like (in my case, two momentary buttons and two toggle switches. The swappable faceplate allows for modifying the interface. a Gridfinity compatible underplate is included as well (not pictured).
A 12vdc barrel plug was used to power each device.
I used WAGOs to make wiring easier for any controls i add or swap out.
My main use case is to illuminate a sign that is mounted down a staircase where running wires isn't practical. one of the button is linked to a separate Shelly relay for a door buzzer.
4 holes in the back of the sign allows for mounting in any orientation, but i ended up just using some double sided tape instead.
The author marked this model as their own original creation.