home-assistant.github.io/source/components/device_sun_light_trigger.markdown
2015-04-27 08:28:50 -07:00

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---
layout: page
title: "Automating your lights"
description: "Instructions how to automate your lights with Home Assistant."
date: 2015-01-20 22:36
sidebar: false
comments: false
sharing: true
footer: true
---
Home Assistant has a built-in component called `device_sun_light_trigger` to help you automate your lights. The component will:
* Fade in the lights when the sun is setting and there are people home
* Turn on the lights when people get home after the sun has set
* Turn off the lights when all people leave the house
This component requires the components [sun]({{site_root/components/sun.html}}), [device_tracker]({{site_root}}/components/device_tracker.html) and [light]({{site_root}}/components/light.html) to be enabled.
To enable this component, add the following lines to your `configuration.yaml`:
```
device_sun_light_trigger:
# Each of these 4 options are optional.
# Specify a specific light/group of lights that has to be turned on
light_group: group.living_room
# Specify which light profile to use when turning lights on
light_profile: relax
# Specify which group of devices to track
device_group: group.my_devices
# Disable lights being turned off when everybody leaves the house
disable_turn_off: 1
```
The options `light_group`, `light_profile` and `disable_turn_off` are optional.