Integrating a Lux Sensor with Airthings Cloud for Smart Lighting

S.C.O.R.E. → Convenience → Device Control

Overview

By adding a Lux sensor to the Airthings Cloud integration, homeowners can automate their lighting based on ambient light levels. This capability enhances comfort and energy efficiency by ensuring lights are only active when needed.

Benefits

• Automatically adjusts indoor lighting based on natural light levels, improving comfort.
• Reduces energy consumption by preventing unnecessary lighting when sufficient natural light is present.
• Provides customizable lighting scenarios based on time of day or specific events.

Intent

The purpose of this capability is to create a smart lighting environment that adapts to changing light conditions. The outcome is a more energy-efficient home with enhanced user comfort and convenience.

Preconditions

• A Lux sensor integrated with the Airthings Cloud.
• Home Assistant configured to receive data from the Lux sensor.
• Lighting fixtures compatible with Home Assistant for capability.
• Home Assistant installed and configured.
• Integration available and authenticated: Zigbee2MQTT.
• Device installed and reachable: WLED Light Controller.

Actors

• Homeowner adjusting lighting preferences
• Family members enjoying a well-lit environment
• Guests experiencing automatic lighting adjustments

Trigger

The capability is triggered by the Lux sensor reading ambient light levels below a defined threshold.

Workflow Diagram

flowchart TD
    A[Lux Sensor Reading] -->|light level < threshold| B{{Is it dark?}}
    B -->|Yes| C[Turn on lights]
    C --> D[Enjoy brightened space]
    B -->|No| E[Keep lights off]

Workflow Description

1. Lux Sensor Activation

The Lux sensor measures the ambient light levels in the room.

2. Data Sent to Airthings Cloud

The Lux sensor transmits its readings to the Airthings Cloud integration.

3. Threshold Check

Home Assistant checks if the light levels are below the defined threshold.

4. Lighting Action

If it is dark, Home Assistant sends a command to turn on the lights.

5. User Experience

The homeowner and family members enjoy a well-lit environment without manual adjustments.

Postconditions

The lighting system adjusts automatically based on ambient light levels, providing a comfortable and efficient home environment.

Optional Enhancements

• Integrate with smart blinds to adjust based on light levels.
• Create scenes for different times of day to enhance ambiance.
• Add voice control capabilities via Google Home or Amazon Alexa.

Recommended Components

Source Examples

• 2026.1: Home is where the dashboard is ?? – Home Assistant (homeassistant)