diff --git a/vendors/home_assistant_integration/__init__.py b/vendors/home_assistant_integration/__init__.py
new file mode 100644
index 0000000..c9447f1
--- /dev/null
+++ b/vendors/home_assistant_integration/__init__.py
@@ -0,0 +1,55 @@
+"""The Immersive Home integration."""
+
+from __future__ import annotations
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr
+from homeassistant.helpers.typing import ConfigType
+
+from . import hub, websocket_api
+from .const import DOMAIN
+
+PLATFORMS: list[Platform] = [Platform.SENSOR]
+
+
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
+    """Set up the ImmersiveHome component."""
+
+    hass.data[DOMAIN] = {
+        "hub": hub.Hub(hass),
+    }
+
+    websocket_api.async_setup_commands(hass)
+    return True
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Set up ImmersiveHome from a config entry."""
+    registration = entry.data
+
+    hass.data.setdefault(DOMAIN, {})
+
+    device_registry = dr.async_get(hass)
+
+    device_registry.async_get_or_create(
+        config_entry_id=entry.entry_id,
+        identifiers={(DOMAIN, registration["device_id"])},
+        manufacturer="Someone",
+        model=registration["platform"],
+        name=registration["name"],
+        sw_version=registration["version"],
+    )
+
+    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+
+    return True
+
+
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Unload a config entry."""
+    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
+        hass.data[DOMAIN].pop(entry.entry_id)
+
+    return unload_ok
diff --git a/vendors/home_assistant_integration/config_flow.py b/vendors/home_assistant_integration/config_flow.py
new file mode 100644
index 0000000..783fc63
--- /dev/null
+++ b/vendors/home_assistant_integration/config_flow.py
@@ -0,0 +1,29 @@
+"""Config flow for Immersive Home."""
+
+from homeassistant.config_entries import ConfigFlow
+
+from .const import DOMAIN
+
+
+class ImmersiveHomeFlowHandler(ConfigFlow, domain=DOMAIN):
+    """Handle a Mobile App config flow."""
+
+    VERSION = 1
+
+    async def async_step_user(self, user_input=None):
+        """Handle a flow initialized by the user."""
+        placeholders = {
+            "apps_url": "https://www.home-assistant.io/integrations/immersive_home/#apps"
+        }
+
+        return self.async_abort(
+            reason="install_app", description_placeholders=placeholders
+        )
+
+    async def async_step_registration(self, user_input=None):
+        """Handle a flow initialized during registration."""
+
+        if "device_id" in user_input:
+            await self.async_set_unique_id(f"{user_input['device_id']}")
+
+        return self.async_create_entry(title=user_input["name"], data=user_input)
diff --git a/vendors/home_assistant_integration/const.py b/vendors/home_assistant_integration/const.py
new file mode 100644
index 0000000..dff5369
--- /dev/null
+++ b/vendors/home_assistant_integration/const.py
@@ -0,0 +1,3 @@
+"""Constants for the Immersive Home integration."""
+
+DOMAIN = "immersive_home"
diff --git a/vendors/home_assistant_integration/hub.py b/vendors/home_assistant_integration/hub.py
new file mode 100644
index 0000000..32f094a
--- /dev/null
+++ b/vendors/home_assistant_integration/hub.py
@@ -0,0 +1,48 @@
+from __future__ import annotations
+
+import asyncio
+
+from homeassistant.core import HomeAssistant
+
+
+class Hub:
+    manufacturer = "Immersive Home"
+
+    def __init__(self, hass: HomeAssistant) -> None:
+        self._hass = hass
+        self.devices = {}
+
+    def add_device(self, device: Device) -> None:
+        self.devices[device.id] = device
+
+    def get_device(self, device_id: str) -> Device:
+        return self.devices.get(device_id)
+
+
+class Device:
+    def __init__(self, device_id: str, name: str, version: str, platform: str) -> None:
+        self.id = device_id
+        self.name = name
+        self.version = version
+        self.platform = platform
+        self.room = None
+
+        self._callbacks = set()
+
+    def set_room(self, room: str) -> None:
+        self.room = room
+
+        asyncio.create_task(self.publish_updates())
+
+    def add_callback(self, callback: callable[[], None]) -> None:
+        """Register callback, called when Roller changes state."""
+        self._callbacks.add(callback)
+
+    def remove_callback(self, callback: callable[[], None]) -> None:
+        """Remove previously registered callback."""
+        self._callbacks.discard(callback)
+
+    async def publish_updates(self) -> None:
+        """Schedule call all registered callbacks."""
+        for callback in self._callbacks:
+            callback()
diff --git a/vendors/home_assistant_integration/manifest.json b/vendors/home_assistant_integration/manifest.json
new file mode 100644
index 0000000..7495f74
--- /dev/null
+++ b/vendors/home_assistant_integration/manifest.json
@@ -0,0 +1,14 @@
+{
+  "domain": "immersive_home",
+  "name": "ImmersiveHome",
+  "codeowners": ["@nitwel"],
+  "config_flow": true,
+  "dependencies": ["http", "websocket_api"],
+  "documentation": "https://www.home-assistant.io/integrations/immersive_home",
+  "homekit": {},
+  "iot_class": "local_push",
+  "requirements": [],
+  "ssdp": [],
+  "zeroconf": [],
+  "version": "0.0.1"
+}
diff --git a/vendors/home_assistant_integration/sensor.py b/vendors/home_assistant_integration/sensor.py
new file mode 100644
index 0000000..0467324
--- /dev/null
+++ b/vendors/home_assistant_integration/sensor.py
@@ -0,0 +1,59 @@
+"""Platform for sensor integration."""
+from __future__ import annotations
+
+from homeassistant.components.sensor import SensorEntity
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
+
+from .const import DOMAIN
+from .hub import Device, Hub
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config: ConfigType,
+    async_add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
+    """Set up the sensor platform."""
+
+    hub: Hub = hass.data[DOMAIN]["hub"]
+
+    for device in hub.devices.values():
+        async_add_entities([RoomSensor(device)])
+
+
+class RoomSensor(SensorEntity):
+    """Representation of a Sensor."""
+
+    def __init__(self, device: Device) -> None:
+        """Initialize the sensor."""
+        self._attr_name = f"{device.name} Room"
+        self._attr_unique_id = f"{device.id}_room"
+        self._device = device
+        self._attr_should_poll = False
+
+    @property
+    def device_info(self):
+        return {
+            "identifiers": {(DOMAIN, self._device.id)},
+        }
+
+    @property
+    def state(self):
+        return self._device.room
+
+    @property
+    def available(self):
+        return True
+
+    async def async_added_to_hass(self):
+        """Run when this Entity has been added to HA."""
+        # Sensors should also register callbacks to HA when their state changes
+        self._device.add_callback(self.async_write_ha_state)
+
+    async def async_will_remove_from_hass(self):
+        """Entity being removed from hass."""
+        # The opposite of async_added_to_hass. Remove any registered call backs here.
+        self._device.remove_callback(self.async_write_ha_state)
diff --git a/vendors/home_assistant_integration/strings.json b/vendors/home_assistant_integration/strings.json
new file mode 100644
index 0000000..ad8f0f4
--- /dev/null
+++ b/vendors/home_assistant_integration/strings.json
@@ -0,0 +1,13 @@
+{
+  "config": {
+    "step": {
+      "confirm": {
+        "description": "[%key:common::config_flow::description::confirm_setup%]"
+      }
+    },
+    "abort": {
+      "single_instance_allowed": "[%key:common::config_flow::abort::single_instance_allowed%]",
+      "no_devices_found": "[%key:common::config_flow::abort::no_devices_found%]"
+    }
+  }
+}
diff --git a/vendors/home_assistant_integration/websocket_api.py b/vendors/home_assistant_integration/websocket_api.py
new file mode 100644
index 0000000..78e7143
--- /dev/null
+++ b/vendors/home_assistant_integration/websocket_api.py
@@ -0,0 +1,86 @@
+"""Home Assistant websocket API."""
+
+from __future__ import annotations
+
+from typing import Any
+
+import voluptuous as vol
+
+from homeassistant.components import websocket_api
+from homeassistant.core import HomeAssistant, callback
+
+from .const import DOMAIN
+from .hub import Device, Hub
+
+
+@callback
+def async_setup_commands(hass):
+    """Set up the mobile app websocket API."""
+    websocket_api.async_register_command(hass, handle_register)
+    websocket_api.async_register_command(hass, handle_update)
+
+
+@callback
+@websocket_api.websocket_command(
+    {
+        vol.Required("type"): "immersive_home/register",
+        vol.Required("device_id"): str,
+        vol.Required("name"): str,
+        vol.Required("version"): str,
+        vol.Required("platform"): str,
+    }
+)
+@websocket_api.async_response
+async def handle_register(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+) -> None:
+    """Set up a new Immersive Home Device."""
+
+    hub: Hub = hass.data[DOMAIN]["hub"]
+
+    hub.add_device(
+        Device(
+            msg["device_id"],
+            msg["name"],
+            msg["version"],
+            msg["platform"],
+        )
+    )
+
+    await hass.async_create_task(
+        hass.config_entries.flow.async_init(
+            DOMAIN, data=msg, context={"source": "registration"}
+        )
+    )
+
+    connection.send_result(msg["id"], {"result": "success"})
+
+
+@callback
+@websocket_api.websocket_command(
+    {
+        vol.Required("type"): "immersive_home/update",
+        vol.Required("device_id"): str,
+        vol.Optional("room"): str,
+    }
+)
+def handle_update(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+) -> None:
+    """Update data of a Immersive Home Device."""
+
+    hub: Hub = hass.data[DOMAIN]["hub"]
+    device = hub.get_device(msg["device_id"])
+
+    if device is None:
+        connection.send_error(msg["id"], "device_not_found", "Device not found")
+        return
+
+    if "room" in msg:
+        device.set_room(msg["room"])
+
+    connection.send_result(msg["id"], {"result": "success"})