obd 0.2.0

Serial module for handling live sensor data from a vehicle's OBD-II port

A python module for handling realtime sensor data from OBD-II vehicle ports. Works with ELM327 OBD-II adapters, and is fit for the Raspberry Pi.

Installation

$ pip install obd

Basic Usage

import obd

connection = obd.OBD() # auto-connects to USB or RF port

cmd = obd.commands.RPM # select an OBD command (sensor)

response = connection.query(cmd) # send the command, and parse the response

print(response.value)
print(response.unit)

Documentation

Visit the GitHub Wiki!

Commands

Here are a few of the currently supported commands (note: support for these commands will vary from car to car):

• Calculated Engine Load

• Engine Coolant Temperature

• Fuel Pressure

• Intake Manifold Pressure

• Engine RPM

• Vehicle Speed

• Timing Advance

• Intake Air Temp

• Air Flow Rate (MAF)

• Throttle Position

• Engine Run Time

• Fuel Level Input

• Number of warm-ups since codes cleared

• Barometric Pressure

• Ambient air temperature

• Commanded throttle actuator

• Time run with MIL on

• Time since trouble codes cleared

• Hybrid battery pack remaining life

• Engine fuel rate

• etc… (for a full list, see commands.py)

License

GNU GPL v2

This library is forked from:

• https://github.com/peterh/pyobd

• https://github.com/Pbartek/pyobd-pi

Enjoy and drive safe!