Support for older style switches like Rising Sun RSL366R, Conrad RSL366 and perhaps other units using the same protocol.
The Rsl366 app uses homey-rfdriver to communicate with Rsl devices using the 433 MHz transceiver on Homey. Devices are added using the standard Homey App (Add new device) and then manually configuring House Code (I-IV) and Unit Code (1-4).
A huge thanks thanks to pilight where I found good information about the protocol https://manual.pilight.org/protocols/433.92/switch/rsl366.html, with that information it was easy to create a signal definition and driver for Homey.