"One of the dreams of the '80s was that one day, around the time
everyone had rocket cars, computers would control everything in
your house; lighting, for instance. We don't have rocket cars, but
the X10 protocol allows you to turn things on and off remotely.
"In this article, Peter Seebach shows how to set up and drive
X10 devices using off-the-shelf hardware and a couple of hundred
lines of simple code..."