Overview
The kitchen lights can sometimes be left on unintentionally, leading to wasted energy and increased electricity bills. This capability automatically turns off the lights when the kitchen is vacant, enhancing energy efficiency and convenience.
Benefits
- Reduces energy consumption by ensuring lights are not left on unnecessarily.
- Increases convenience by automating lighting control for busy homeowners.
- Enhances safety by preventing potential fire hazards from unattended lights.
Intent
The purpose of this capability is to manage lighting in the kitchen by automatically turning off the lights when no one is present. This results in improved energy efficiency and a more comfortable living environment.
Preconditions
- Home Assistant platform is installed and configured.
- Motion sensors or presence detection devices are set up in the kitchen.
- Smart lights that can be controlled via Home Assistant are installed.
- Home Assistant installed and configured.
- Integration available and authenticated: Zigbee2MQTT.
- Device installed and reachable: Door and Window Sensors.
Actors
- Homeowner managing the kitchen environment
- Family members using the kitchen
- Guests visiting the home
Trigger
The capability is triggered when motion sensors detect that the kitchen is vacant for a specified duration.
Workflow Diagram
flowchart TD
A[Motion Sensor Detects Vacant] -->|check| B{{Is Kitchen Empty?}}
B -->|Yes| C[Turn Off Kitchen Lights]
C --> D[Kitchen Lights Are Off]
B -->|No| E[Keep Lights On]
Workflow Description
1. Detect Motion
The motion sensor in the kitchen detects that no one is present.
2. Check Vacancy Duration
The system checks if the kitchen has been empty for the configured duration.
3. Trigger Light Off
If the kitchen is confirmed to be vacant, the lights are sent a command to turn off.
4. Confirm Lights Status
The system confirms that the kitchen lights have successfully been turned off.
5. Await Next Trigger
The system remains in a monitoring state, ready to respond to new motion detection.
Postconditions
The kitchen lights are turned off, and the system is ready to detect future occupancy.
Optional Enhancements
- Add a notification feature to alert homeowners when lights are turned off.
- Integrate with a home security system to enhance safety.
- Allow manual override via a mobile app to control lights remotely.
Recommended Components
| Recommended Applications | Recommended Integrations | Recommended Devices |
|---|---|---|
| Home Assistant | Zigbee2MQTT, Z-Wave JS | Door and Window Sensors, Lutron Caseta Dimmer |
Source Examples
- Home Assistant (platform)