Rfxtrx 433 can't get connected

Hi all,
I’m struggling to have the RFXcom devide working porperly. i’ve tried to follow the document from HA website, but can’t manage to have it worlking. i’ve got a DIO switch connected on the heater, waiting instructions from the RFXcom module.

Here’ the config I’ve set up :

setup rfxtrx device

rfxtrx:
device: /dev/ttyUSB0
debug: true

Track the sun

sun:

Weather prediction

sensor:

  • platform: yr

switch:
platform: rfxtrx
automatic_add: TruePreformatted text

I’ve just connected the Rfxcom module to the usb port from my rpi3. It can be seen, but nothing gets displayed on the GUI.

Can anyone help me moving fwd on that?

Thanks

Just to give more clarity in the reading of my config file :

setup rfxtrx device
rfxtrx:
device: /dev/ttyUSB0
debug: true

Track the sun
sun:

Weather prediction
sensor:

platform: yr

switch:
platform: rfxtrx
automatic_add: True

The way it’s setup right now doesn’t allox me tho this on the Home assistant user interface as it is mentionned in the documentation:
image

Any clue on how to get there ?
Thanks for your help