home-assistant.io/source/_components/switch.rpi_pfio.markdown
2018-09-02 23:36:26 +02:00

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---
layout: page
title: "PiFace Digital I/O Switch"
description: "Instructions on how to integrate the PiFace Digital I/O module into Home Assistant as a switch."
date: 2016-05-08 15:00
sidebar: true
comments: false
sharing: true
footer: true
logo: raspberry-pi.png
ha_category: DIY
ha_release: 0.45
ha_iot_class: "Local Polling"
---
The `rpi_pfio` switch platform allows you to control the [PiFace Digital I/O](http://www.piface.org.uk/products/piface_digital/) module.
## {% linkable_title Configuration %}
To use your PiFace Digital I/O module in your installation, add the following to your `configuration.yaml` file:
```yaml
# Example configuration.yaml entry
switch:
- platform: rpi_pfio
ports:
0:
name: Doorlock
invert_logic: true
1:
name: Light Desk
```
Configuration variables:
- **ports** array (*Required*): Array of used ports.
- **num** (*Required*): Port number.
- **name** (*Required*): Port name.
- **invert_logic** (*Optional*): If true, inverts the output logic to ACTIVE LOW. Default is false (ACTIVE HIGH).