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17 lines
674 B
Markdown
17 lines
674 B
Markdown
---
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layout: component
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title: "Binary Sensor"
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description: "Instructions how to setup your binary sensors with Home Assistant."
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date: 2015-11-20 14:00
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sidebar: true
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comments: false
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sharing: true
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footer: true
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---
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Binary sensors are gathering information about state of switches, contacts, pins, and alike. The return value of those sensors is usually digital (1/0). This means that those sensors knows only two states: **off/low/open** and **on/high/closed**.
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Knowing that there are only two states allows Home Assistant to represent the sensor better in the frontend.
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For analog sensors please check the [component overview](https://home-assistant.io/components/#sensor).
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