Creating new OBD2 Parameters with an Arduino

Learn how to use an Arduino to add new OBD2 Parameters to your existing CAN Bus for logging and control!
Forum thread with modified code:
http://www.rx8club.com/series-i-do-yourself-forum-73/diy-adding-new-parameters-sensors-obd2-logging-262610/

Original code: http://www.instructables.com/id/Arduino-OBD2-Simulator/