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Log and Analyse Wifi or Bluetooth OBD2 Data with Python and Javascript.

A dashboard for monitoring vehicle information to identify problems, calculate consumption, view/clear fault codes, etc

How to use

You need a obd2 adapter like ELM-327, I used a Wifi one.

You need Docker or install the python requirements in your env or venv

Docker Install:

Run Docker:

  • Run: docker compose up

Local run:

  • cd app
  • FLASK_ENV=development flask run

Open http://localhost:5000 in your browser

How it works

  • Using flask as frontend and api
  • Using python-obd to comunicate with adapter
  • Connects a wifi device in default '192.168.0.10:35000' address
  • If bluetooth, configure properly, see Python-OBD Docs

How to code

  • HTML, CSS and JavaScript files are in app/templates

  • Static files in app/static

  • Flask routes in app/app.py

  • OBD2 Connection in app/connection.py

  • You can run in background to keep terminal free with docker-compose up -d
    See logs with docker-compose logs. And to keep showing: docker-compose logs -f

  • Stop and Remove all Containers about: docker-compose down

What's next

  • Create dashboard for different views
  • Calculate differential ratio from velocity to estimate actual gear
  • Change docker to bind bluetooth device
  • Use Web Sockets / ASync
  • Record log in time-series format
  • ...