home-assistant.io/source/_integrations/qrcode.markdown

title	description	ha_category	ha_iot_class	ha_release	ha_domain	ha_integration_type
QR Code	Instructions on how to integrate QR Code Recognition into Home Assistant.	Image Processing	Calculated	0.87	qrcode	integration

The qrcode image processing platform enables QR code recognition from cameras.

To get this running, please install zbar-tools (Ubuntu 18.04)

Configuration

To enable this, add the following lines to your configuration.yaml file:

# Example configuration.yaml entry
image_processing:
  - platform: qrcode
    source:
      - entity_id: camera.door

{% configuration %} source: description: List of image sources. required: true type: list keys: entity_id: description: A camera entity id to get picture from. required: true type: string name: description: This parameter allows you to override the name of your image_processing entity. required: false type: string {% endconfiguration %}

Basic example

An automation using this integration could look like this:

automation:
  - alias: "Catch QR code and arm the alarm system"
    trigger:
      - platform: state
        entity_id: image_processing.qr_front_door
        to: ARM_QR_CODE_VALUE
    action:
      - service: alarm_control_panel.alarm_arm_away
        target:
          entity_id: alarm_control_panel.home_alarm
        data:
          code: MY_ALARM_CODE