home-assistant.io/source/developers/platform_example_sensor.markdown
2016-05-10 10:13:25 -07:00

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---
layout: page
title: "Example sensor platform"
description: "Minimum implementation of a Home Assistant platform."
date: 2016-04-16 14:24 -07:00
sidebar: true
comments: false
sharing: true
footer: true
---
This is a minimum implementation of a platform for the sensor component.
### {% linkable_title Installation %}
Copy the code below and create it as a file in `<config_dir>/custom_components/sensor/example.py`.
Add the following to your configuration.yaml:
```yaml
# Example configuration.yaml entry
sensor:
platform: example
```
### {% linkable_title Code %}
```python
from homeassistant.const import TEMP_CELSIUS
from homeassistant.helpers.entity import Entity
def setup_platform(hass, config, add_devices, discovery_info=None):
add_devices([ExampleSensor()])
class ExampleSensor(Entity):
@property
def name(self):
return 'Temperature'
@property
def state(self):
return 23
@property
def unit_of_measurement(self):
return TEMP_CELSIUS
```