QR Code
The qrcode
image processing integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] 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
The configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file.
After changing the configuration.yaml
The configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file, restart Home Assistant to apply the changes.
# Example configuration.yaml entry
image_processing:
- platform: qrcode
source:
- entity_id: camera.door
Basic example
An automation using this integration could look like this:
automation:
- alias: "Catch QR code and arm the alarm system"
triggers:
- trigger: state
entity_id: image_processing.qr_front_door
to: ARM_QR_CODE_VALUE
actions:
- action: alarm_control_panel.alarm_arm_away
target:
entity_id: alarm_control_panel.home_alarm
data:
code: MY_ALARM_CODE