Onboard diagnostics will connect cars to the Internet of Things

GUEST:For as long as I’ve owned a car, I’ve always been interested in extracting data from it.
One of my earliest experiments involved using a paperclip to complete a connection between a red wire and a green wire beneath my dashboard so that diagnostic error codes would flash on the dashboard of my ‘91 Honda.
Nowadays, we have a variety of OBD-II dongles that plug into the diagnostics port of every car sold in the U.S. since 1996. (OBD refers to “onboard diagnostics.&rdq