I am new here and just started to play with Arduino about 3 weeks ago. Since I have lots of expertise in software programming and some knowledge about micro-controllers, it's really quick for me to start developing useful things on the Arduino platform. I think Arduino is so wonderful invention for us software guys. I spent 2 weeks to make an Arduino board connect with my car through OBD-II port, reading out the data and displaying them on a 84x48 LCD shield. It's great fun! I wrote an article
Introduction to CAN-BUS and How to use it with Arduino[2024] - Latest Open Tech From Seeed
Arduino, Processing and Obd-ii. [serial communication between 3 devices?] - Programming Questions - Arduino Forum
Clock pod mod with Subarb Select Monitor ECU polling and Arduino, Page 2
Arduino OBD-II reader, Messing with the Freematics OBD-II A…
OBD-II CAN Library Help Reading PIDs - #26 by system - Programming Questions - Arduino Forum
Sparkfun OBDII - Arduino Uno Stuck at 832RPM-13Kmh - Arduino Stack Exchange
RS232 to OBD2 Message Format - Support - Core Electronics Forum
Arduino vehicle OBD-II data logger - Science and Measurement - Arduino Forum
Read ECU Using Ardunio Via OBD2 - Project Guidance - Arduino Forum
Implementation of an OBD-II diagnostics tool over CAN-BUS with Arduino