Home Assistant Windows 7 Gadget

A Windows 7 Sidebar Gadget for displaying Home Assistant sensor data (e.g., radon and temperature sensors).

Features

• Displays real-time values from your Home Assistant sensors
• Supports radon and temperature sensors (customizable)
• Color-coded radon indicator dot
• Handles unavailable sensor states gracefully
• Easy configuration via gadget settings (wrench icon)

Requirements

• Windows 7 (Sidebar gadgets enabled), see https://gadgetpack.net/
• Home Assistant instance with API access and a long-lived access token

Installation

1. Copy or clone this repository to your PC.
2. Run dev-deploy-gadget.ps1 in PowerShell to deploy the gadget to your Sidebar gadgets folder and restart the Sidebar.
3. Add the gadget to your Windows Sidebar if it does not appear automatically.

Configuration

1. Click the wrench (settings) icon on the gadget.
2. Enter your Home Assistant URL (e.g., https://your-ha-url:8123).
3. Enter your Home Assistant long-lived access token.
4. Save settings and close the settings window.

Customization

• To change which sensors are displayed, edit the radonSensorEntityId and temperatureSensorEntityId variables in main.html.

Development

• Use the dev-deploy-gadget.ps1 script to quickly redeploy changes during development.

License

See LICENSE.

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© 2025 Viktar Karpach