home-assistant.io/source/_components/sensor.rfxtrx.markdown
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Markdown

---
title: "RFXtrx Sensor"
description: "Instructions on how to integrate RFXtrx sensors into Home Assistant."
logo: rfxtrx.png
ha_category:
- Sensor
ha_iot_class: Local Polling
ha_release: 0.7
---
The `rfxtrx` platform support sensors that communicate in the frequency range of 433.92 MHz.
First you have to set up your [rfxtrx hub](/components/rfxtrx/).
The easiest way to find your sensors is to add this to your `configuration.yaml`:
```yaml
# Example configuration.yaml entry
sensor:
platform: rfxtrx
automatic_add: true
```
Then when the sensor emits a signal it will be automatically added:
<p class='img'>
<img src='/images/components/rfxtrx/sensor.png' />
</p>
Here the name is `0a52080000301004d240259` or `0a52080000301004d240259_temperature` and you can verify that it works from the frontend.
Then you should update your configuration to (_temperature is not needed):
```yaml
# Example configuration.yaml entry
sensor:
platform: rfxtrx
devices:
0a52080000301004d240259:
name: device_name
```
If you want to display several data types from one sensor:
```yaml
# Example configuration.yaml entry
sensor:
platform: rfxtrx
devices:
0a520802060100ff0e0269:
name: Bath
data_type:
- Humidity
- Temperature
```
Only these data_type are valid:
- *Temperature*
- *Humidity*
- *Barometer*
- *Wind direction*
- *Rain rate*
- *Energy usage*
- *Total usage*
- *Sound*
- *Sensor Status*
- *Counter value*
- *UV*
Example configuration:
```yaml
# Example configuration.yaml entry
sensor:
platform: rfxtrx
automatic_add: true
devices:
0a52080705020095220269:
name: Lving
fire_event: true
0a520802060100ff0e0269:
name: Bath
data_type:
- Humidity
- Temperature
```
{% configuration %}
devices:
description: A list of devices.
required: false
type: list
keys:
name:
description: Override the name to use in the frontend.
required: false
type: string
fire_event:
description: Fires an event even if the state is the same as before. Can be used for automations.
required: false
default: false
type: boolean
data_type:
description: Which data type the sensor should show.
required: false
type: list
automatic_add:
description: To enable the automatic addition of new lights.
required: false
default: false
type: boolean
{% endconfiguration %}
<div class='note warning'>
If a device ID consists of only numbers, please make sure to surround it with quotes.
This is a known limitation in YAML, because the device ID will be interpreted as a number otherwise.
</div>