--- title: Acer Projector description: Instructions on how to integrate Acer Projector switches into Home Assistant. ha_category: - Multimedia ha_iot_class: Local Polling ha_release: 0.19 ha_domain: acer_projector ha_platforms: - switch ha_integration_type: integration --- The `acer_projector` switch platform allows you to control the state of RS232 connected projectors from [Acer](https://www.acer.com/). ## Configuration To use your Acer Projector in your installation, add the following to your `configuration.yaml` file: ```yaml # Example configuration.yaml entry switch: - platform: acer_projector filename: /dev/ttyUSB0 ``` {% configuration %} filename: description: The pipe where the projector is connected to. required: true type: string name: description: The name to use when displaying this switch. required: false type: string timeout: description: Timeout for the connection in seconds. required: false type: integer write_timeout: description: Write timeout in seconds. required: false type: integer {% endconfiguration %}