This is a project to convert IKEAs SONOS remote gen. 2 to a LK FUGA wall switch.

Note is it only a psychical conversion. The electric components are the same, except the size of the battery and switches.

Introduction of the SYMFONISK remote gen. 2

Functions of buttons on original remote

Red are functions when paired directly with a lightbulb.

Functions of buttons on modified remote to 1M

Red are functions when paired directly with a lightbulb.

Functions of buttons on modified remote to 1½M

Left: Indented to be used directly in IKEAs system. The buttons ▶⏹ are the same.

Right: Indented to be used in a system that allows remapping of the buttons functions. To change to this mode: rotate and flip the slides switches.

Electric diagram

Reverse engineering of original PCB

Front side of custom PCB

Flashing guide

https://t365.dk/flash-ikea-zigbee-j-link/