Note: nearly ten years after I sold the 944, I still get a fair number of
web visitors. I ran across the original servo and its controller in the
basement the other day, so I thought I'd post some updated commentary. The
original technical content is from 2003.
It took a bit of arm-twisting for me to realize why anyone would want a
packaging system on OS X. After all, it goes against the idea that we can just
move app bundles wherever we want. Or, we could just compile from source, like
people did for ...
Parallel port documentation for IBM PC compatibles can be
inconsistent. Most sources quote other sources, and little
information is based on first-hand experience. This document is meant
to remedy this shortfall.
The PC parallel port outputs TTL-compatible logic signals, although
in most ...