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23b0b57c08
* Rename frontmatter ha_qa_scale to ha_quality_scale to match codebase * Update all integrations quality scales (done by sync)
33 lines
1.2 KiB
Markdown
33 lines
1.2 KiB
Markdown
---
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title: Sensor
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description: Instructions on how to setup your sensors with Home Assistant.
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logo: home-assistant.png
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ha_category:
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- Sensor
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ha_release: 0.7
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ha_quality_scale: internal
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---
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Sensors are gathering information about states and conditions.
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Home Assistant currently supports a wide range of sensors. They are able to display information which are provides by Home Assistant directly, are gathered from web services, and, of course, physical devices.
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## Device Class
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The way these sensors are displayed in the frontend can be modified in the [customize section](/docs/configuration/customizing-devices/). The following device classes are supported for sensors:
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- **None**: Generic sensor. This is the default and doesn't need to be set.
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- **battery**: Percentage of battery that is left.
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- **humidity**: Percentage of humidity in the air.
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- **illuminance**: The current light level in lx or lm.
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- **signal_strength**: Signal strength in dB or dBm.
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- **temperature**: Temperature in °C or °F.
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- **power**: Power in W or kW.
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- **pressure**: Pressure in hPa or mbar.
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- **timestamp**: Datetime object or timestamp string.
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<p class='img'>
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<img src='/images/screenshots/sensor_device_classes_icons.png' />
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Example of various device class icons for sensors.
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</p>
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