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* 2025.3: Beta release notes * 2025.3: Sync with codebase * 2025.3: Tweaks * tiny tweaks * tweaks * some more tweaks * Update 2025-03-05-release-20253.markdown * update * missing breaking change --------- Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com> Co-authored-by: Bram Kragten <mail@bramkragten.nl>
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| title | description | ha_category | ha_platforms | ha_iot_class | ha_codeowners | ha_release | ha_domain | ha_integration_type | ha_config_flow | ha_quality_scale | |||||
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| Qbus | Instructions on how to integrate your Qbus installation with Home Assistant. |
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2025.2 | qbus | hub | true | bronze |
The Qbus {% term integration %} allows you to integrate your Qbus Control into Home Assistant. Qbus is a Belgian manufacturer of Home Automation systems.
Prerequisites
This integration communicates with a Qbus controller over an MQTT server.
The controllers cannot communicate directly with MQTT. Therefore, you need to install the Qbus gateway before enabling this integration. The Qbus gateway is a software tool that runs on all Linux platforms. It can be installed by running a script or a Docker container. For detailed instructions, please refer to the Qbus MQTT Gateway documentation.
For information on setting up Home Assistant with a Qbus controller, refer to the Qbus documentation. The documentation is currently only available in Dutch, but translations are planned for the future.
Once the Qbus controller is connected to the MQTT server, you need to set up an MQTT client in Home Assistant to enable communication between Home Assistant and your Qbus system. This client should connect to the same MQTT Server as your Qbus controller. For detailed instructions, refer to the MQTT integration documentation.
{% include integrations/config_flow.md %}
Supported devices
There is currently support for the following Qbus products within Home Assistant:
- CTD01E to CTD03E (CTD 3.0): main controllers (yellow).
- CTD10 to CTDMax (CTD 3.5): main controllers (black).
- Toggle: toggle outputs on controllers.
Available entities
- Switch: toggles on/off outputs.
- Light: controls dimmer lights, allowing both on/off functionality and brightness adjustment.
Removing the integration
This integration follows standard integration removal. No extra steps are required.
{% include integrations/remove_device_service.md %}
Data updates
All data from Qbus entities are pushed to Home Assistant over MQTT.
Known limitations
The integration does not provide a way to update the firmware on the devices. This can only be done with the configuration software System Manager.
Troubleshooting
Can’t set up the device
Symptom: "No devices are discovered"
When trying to set up the integration, no devices are discovered.
Description
This means that the integration did not receive a valid configuration from the gateway.
Resolution
To resolve this issue, try the following steps:
- Make sure your controller is online and not connected to System Manager.
- Make sure you have an MQTT broker running.
- Make sure that the gateway software is up and running (see Prerequisites) and connected to the broker.
- Make sure you have an MQTT client integration (see Prerequisites) connected to the broker.