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Describe when the random sensor changes value (#3064)

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* Document update frequency

Documented that the random number changes every 30 seconds
according to http://fabian-affolter.ch/blog/random-sensor/

* Learned the source of the 30s polling frequency
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wildcomputations 2017-07-27 05:39:02 -04:00 committed by Fabian Affolter
parent ac5eb17f31
commit c83d11a0b4
1 changed files with 4 additions and 1 deletions
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source/_components/sensor.random.markdown
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@ -14,7 +14,7 @@ ha_release: 0.32
---
The `random` sensor platform is creating random sensor values (integers) out of a given range. This can be useful if you want to test automation rules.
The `random` sensor platform is creating random sensor values (integers) out of a given range. This can be useful if you want to test automation rules. It generates a new value every time it is polled.
To enable the random sensor, add the following lines to your `configuration.yaml`:
@ -31,3 +31,6 @@ Configuration variables:
- **maximum** (*Optional*): Upper limit for the values. Defaults to `20`.
- **unit_of_measurement** (*Optional*): Defines the units of measurement of the sensor, if any.
See the [entity component options][entity-docs] to control how often the main component polls the random sensor. The default is 30 seconds.
[entity-docs]: https://home-assistant.io/docs/configuration/platform_options/