I have the same problem. I can’t see any device being added.
I’m running HA on ODROID n2+.
The Nodo RFlink gateway is recognised in HA and the debug log shows the same data as NiMa008 nick posted.
With RFlink loader in Windows, the serial port logging is responding to kaku switches. The leds are blinking when the remote is operated.
However, in HA, not a single kaku switch (remote) device is added automatically. The leds don’t blink when I operate the switch. And the debug logging of rflink shows no response whatsoever.
Have you configured also the sensor and light domains in HA?
This would add automatically any RFLink sensors or commands to HA.
Once the entity_id is known. Configure it in the correct domain (switch, binary_sensor, light, etc) and you can disable the automatic_add setting.