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Syncing Lights in Home Assistant (HA)
In Home Assistant, syncing all your lights is commonly achieved using a light group. A light group entity allows you to control all included lights as a single unit, ensuring they turn ON and OFF together while staying synchronized, including attributes like effects, brightness, colour, or colour temperature.
However, if you turn ON or OFF, or change the effects, brightness, colour, or colour temperature of one of the individual entities within the group, the group will no longer remain synchronized. To maintain synchronization, you must control the group entity itself.
Sync Option in Manual Light Blueprint
The sync option in the manual light blueprint ensures that your lights (entities) turn ON and OFF together. However, it does not sync other attributes like brightness, colour, or colour temperature.
In the manual light blueprint, the lights themselves act as triggers. This differs from the sensor light blueprint, where the motion sensor is the trigger. These differences mean the two blueprints cannot be combined seamlessly.
Sensor Light Blueprint Behaviour
The sensor light blueprint uses a motion sensor to turn all your lights (entities) ON and OFF. If you manually turn OFF one light, the others will remain unaffected because the lights are not the triggers. Additionally, if you manually turn OFF a light but the motion sensor triggers again before the rest of the lights turn OFF, the blueprint will turn the light back ON.
Manual Light Blueprint Use Cases
The manual light blueprint is ideal for situations where you want to manually control a light while incorporating additional features such as time delays or motion-based interactions. Here are some practical examples:
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Reading Lamp in a Motion-Sensor Room
Use a sensor light blueprint to control the roomâs main lighting with motion, while a manual light blueprint handles a reading lamp that you might turn ON manually. When you leave the room, both blueprints can work together to turn OFF all the lights, ensuring nothing stays ON unnecessarily. Of course, you can manually turn OFF the reading lamp anytime, but if you forget, the blueprint will handle it for you.
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Manual Control with Motion-Based Continuity
Enter a room and manually turn ON a light. The motion sensor keeps it ON while youâre present, and the manual light blueprint ensures it turns OFF when you leave after a set time delay. You can still manually turn OFF the light if needed, but if you forget, all lights will turn OFF automatically.
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Time-Delayed Lighting Without a Motion Sensor
In spaces like a garbage room, toilet, or any area where a motion sensor isnât necessary, the manual light blueprint lets you manually turn ON a light (or even a fan) and automatically turns it OFF after a set delay. You can manually turn OFF the entity at any time, but if you forget, the blueprint ensures nothing is left ON.
Conclusion
Both blueprints have unique purposes and cannot be combined due to their differences in trigger behaviour. Understanding these distinctions allows you to use each blueprint effectively for different scenarios.
Blacky