--- layout: page title: "Components" description: "List of the built-in components of Home Assistant." date: 2014-12-21 13:35 sidebar: false comments: false sharing: true footer: true is_homepage: true --- Components add support for devices, automation, and much much more to Home Assistant. The following things are supported out-of-the-box. ## {% linkable_title Entities %} Entities are things that you want to observe within Home Assistant. Support for these things are provided by the entity components [Light](/components/light.html), [Switch](/components/switch.html), [Thermostat](/components/thermostat.html), [Media player](/components/media_player.html), [Device tracker](/components/device_tracker.html), and [Sun](/components/sun.html).

Light and environment

	Philips Hue turns lights on, controls brightness, and color.
	Nest thermostats displays current temperature and control target temperature/away mode.
	Heat Control reads a temperature sensor and control a heater switch.
	WeMo switches controls and reads the usage statistics from Insight switches.
	TEMPer sensors reads the current temperature.
	LimitlessLED controls your LimitlessLED lights.
	Edimax switches controls the state.
	Efergy Engage hubs monitors home energy use.
	DHTxx reads the temperature and humidity.
	Blickstick controls your Blinkstick lights or device.
	Radiotherm thermostats displays current temperature and control target temperature/away mode.

Devices and protocols

	MySensors integrates MySensors sensors.
	Raspberry PI switch controls and sensor reads the values of GPIOs.
	Insteon controls devices connected with the ISY994 controller.
	X10 controls devices connected with the ISY994 controller.
	Arduino controls digital pins and read from analog pins.
	RFXtrx controls and monitors RFXtrx devices.
	MQTT allows sending and recieving MQTT messages, incl. switches and sensors.
	aREST sensors observe and switches controls the pins of aREST enabled devices.
	REST sensors observe RESTful enabled devices or services.

Presence detection

Offers presence detection by looking at connected devices or by scanning the network.

	Actiontec routers
	Aruba routers
	ASUSWRT routers
	DD-WRT routers
	OpenWRT routers
	Netgear routers
	Tomato routers
	TP-Link routers
	Thomson routers
	NMap network scanning
	Generic SNMP
	OwnTracks devices
	MQTT devices
	Geofancy devices

Media player

Controls your media player (Playback and Volume) and get details about the played track.

	Denon Network Receivers
	Google Cast
	Kodi
	iTunes
	Logitech Squeezebox
	Music Player Daemon (MPD)
	Plex
	Sonos devices

Cameras and various other entities

Camera allows you to see what going in real-time. Other entities report the current state and/or let you control it.

	Hikvision controls the motion detection setting.
	IP camera integrates a generic IP camera or image url.
	Foscam let you see your live stream.
	SABnzbd clients monitors queue and download speeds.
	System Monitor tracks CPU, memory, and disk usage on the host machine.
	CPU speed only tracks CPU speed on the host machine.
	Transmission monitors status/speeds and changes the speed limits.
	Command line switches and sensors issues command line commands to do or the get something.
	Glances tracks system information on remote hosts.

Support for these devices is provided by the Home Assistant community and not the manufacturers of these devices.

## {% linkable_title Hubs %} Home Assistant integrates with a variety of third party Home Automation hubs and networks. It allows you to control the connected switches, lights and sensors via Home Assistant. Click on the following logos for setup instructions: [

](/components/zwave.html) [

](/components/tellstick.html) [

](/components/vera.html) [

](/components/wink.html) [

](/components/isy994.html) [

](/components/modbus.html) [

](/components/verisure.html)

Support for these devices is provided by the Home Assistant community and not the manufacturers of these devices.

## {% linkable_title Services %}

Internals

Those services offers you a wide range of possibilities out-of-box.

	History track the state of entities and allow users to browse through.
	Conversation process textual commands like ones received by speech-to-text engines.
	Discovery scans the network for supported devices.
	Logbook provides a logbook-style view on the Entity history.
	Browser opens URLs on the host machine.
	Downloader allows downloading URLs to the host machine.
	Keyboard simulate key presses on the host machine.
	Shell commands expose shell commands as services.
	Time & Date displays the time and the date and Worldclock from a different time zone.

Notifications

Allows you to send customized messages to the given service.

	File
	Notify My Android (NMA)
	Instapush
	PushBullet
	PushOver
	Slack
	E-Mail
	Syslog
	Jabber (XMPP)
	Telegram

Web services

The web services displays data grabbed from an external source or interact with them.

	OpenWeatherMap displays current meteorological data or weather forecast.
	Forecast.io displays current meteorological data.
	Bitcoin displays details about the Bitcoin Network.
	Swiss Public Transport displays Swiss timetable data for traveling.
	IFTTT allows the triggering of recipes.

Support for these services is provided by the Home Assistant community and not the service providers.

## {% linkable_title Organization %} | Type | Description | ---- | ----------- | [Group](/components/group.html) | Allows grouping of entities | [Scene](/components/scene.html) | Allow defining preferred state of a set of entities ## {% linkable_title Automation %} | Type | Description | ---- | ----------- | [Automation](/components/automation.html) | Allow for automating service calls when a specific state is met. | [Script](/components/script.html) | Allow user to define scripts to run from within Home Assistant. | [Zone](/components/zone.html) | Allow user to define zones within Home Assistant. | [Device sun light trigger](/components/device_sun_light_trigger.html) | Slowly fade in the lights to compensate the setting sun. Also turns on lights when you get home after dark. | [Simple alarm](/components/simple_alarm.html) | Let the lights blink red when the lights turn on while no one is home. ## {% linkable_title Misc %} | Type | Description | ---- | ----------- | [Configurator](/components/configurator.html) | Component used by other components to get configuration from the user.