put IP address of Home Assistant hub and Long-lived token.
Long-lived token you need to create in Home Assistant settings (Profile ==> Security ==> Long-lived access token ==> Create token):
enable MQTT in Protocols section,
in settings of Home Assistant, add MQTT integration and input settings of MQTT server on Pyxis (Settings ==> Devices&services ==> + Add integration ==> MQTT).
After actions above, all Pyxis accessories wil appear in Home Assistant device list.