OBD2 Home Assistant Integration

Connecting your car's OBD2 telemetry into your Home Assistant smart home setup. Export logs, trigger garage door automations, and track fuel levels.

How to Export OBDAssistant Data to Home Assistant

If you are looking to integrate OBD2 data into Home Assistant, OBDAssistant provides two native integration paths:

  • CSV / JSON Log Export: Export your driving sessions, battery voltage trends, and DTC diagnostic logs to JSON format and ingest them via Home Assistant's File sensor integration.
  • Webhook Telemetry Push (Beta): Send real-time webhook POST payloads directly to your local Home Assistant instance endpoint whenever your Android phone connects to your car's Bluetooth adapter.

Smart Home Automation Ideas

With OBDAssistant telemetry feeding your Home Assistant server, you can set up powerful automations:

  • Get notified on your smart TV if battery voltage drops below 12.1V while parked overnight.
  • Automatically turn on garage lights when your vehicle Bluetooth pairs upon pulling into the driveway.
  • Log monthly fuel economy and track oil change maintenance schedules on your Home Assistant dashboard.
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