home-assistant.io/source/_components/switch.arest.markdown
Alok Saboo 1aca7b08cf Misc fixes: e.g. -> e.g., and proper case for Home Assistant (#4942)
* e.g. to e.g., and proper case for Home Assistant

* Instructions how to -> Instructions on how to
2018-03-17 20:20:37 +01:00

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---
layout: page
title: "aREST Switch"
description: "Instructions on how to integrate aREST switches within Home Assistant."
date: 2015-09-11 23:15
sidebar: true
comments: false
sharing: true
footer: true
logo: arest.png
ha_category: Switch
ha_iot_class: "Local Polling"
ha_release: 0.16
---
The `arest` switch platform allows you to toggle pins of your devices (like Arduino boards with a Ethernet/Wifi connection, ESP8266 based devices, and the Raspberry Pi) running the [aREST](http://arest.io/) RESTful framework.
To use your aREST enabled device with pins in your installation, add the following to your `configuration.yaml` file:
```yaml
# Example configuration.yaml entry
switch:
- platform: arest
resource: http://IP_ADDRESS
pins:
11:
name: Fan
```
If you want to use custom functions, then add the following to your `configuration.yaml` file:
```yaml
# Example configuration.yaml entry
switch:
- platform: arest
resource: http://IP_ADDRESS
name: Office
functions:
function1:
name: Light Desk
```
Configuration variables:
- **resource** (*Required*): IP address and schema of the device that is exposing an aREST API, eg. http://192.168.1.10 (no-trailing slash)
- **name** (*Optional*): Let you overwrite the name of the device. By default *name* from the device is used.
- **pins** array (*Optional*): An array with all used pins.
- **name** (*Required*): The name of the pin to use in the frontend.
or
- **functions** array (*Optional*): An array with all used functions.
- **name** (*Required*): The name to use in the frontend.
You can still switch your pins with a web browser or a command line tool. Use the URL http://192.168.1.10/digital/8/1 to set pin 8 to high/on, the JSON response will give you the feedback.
```json
{"message": "Pin D8 set to 1", "id": "sensor02", "name": "livingroom", "connected": true}
```