DeerMaximum / QR-Code-Generator

Custom Home Assistant integration to create a camera that displays a custom QR-Code

Home Assistant integration to create a QR-Code

This integration allows to create QR Codes with static or dynamic content.

Features

• Static content
• Dynamic content with the help of Templates
• Custom QR-Code color
• Custom QR-Code background color
• Error correction adjustment

{% if not installed %}

Installation

The easiest way to install is through HACS. This integration is already included in the HACS default repositories.

1. In Home Assistant, select HACS -> Integrations -> + Explore and Download Repositories. Search for QR-Code Generator in the list and add it.
2. Restart Home Assistant
3. Set up and configure the integration:

Manual Installation

Copy the custom_components/qr_generator directory to your custom_components folder. Restart Home Assistant, and add the integration from the integrations page.

{% endif %}

Example configuration

For wifi access

Name: My wifi access
Content: WIFI:T:WPA2;S:MyNetworkName;P:ThisIsMyPassword;H:true;

For wifi access with template

Name: My wifi access
Content: WIFI:T:WPA2;S:MyNetworkName;P:{{states("input_text.wlan_password")}};H:true;

To update the QR code, simply change the value of input_text.wlan_password.

Details

Options

Options	Description	Default
Name	(str) Name of the QR Code.	-
Content	(str) Content of the QR Code. Can be a template.	-
Color	(str) Color of the QR Code in hex. Supports transparency (#RRGGBBAA).	#000
Background color	(str) Color of the background in hex. Supports transparency (#RRGGBBAA).	#FFF
Scale	(int) Scale of the QR Code.	10
Border	(int) Thickness of the QR Code border in "QR Code boxes".	2
Error correction	(str) Strength of error correction. Possible values: L - About 7% or less errors can be corrected. M - About 15% or less errors can be corrected. Q - About 25% or less errors can be corrected. H - About 30% or less errors can be corrected.	H

ATTRIBUTES

Attribute	Description
text	(str) Rendered content of the QR Code.
color	(str) Color of the QR Code in hex.
background_color	(str) Color of the background in hex.
scale	(int) Scale of the QR Code.
border	(int) Thickness of the QR Code border in "QR Code boxes".
error_correction	(str) Strength of error correction. Possible values: L M Q H