--- 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: Switch 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. 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).