Last week I wrote about building a pan and tilt webcam, and at the end of that I mentioned that the next thing was to come up with some kind of software control on the PC to allow it to be easily moved around.
A long time ago I built a little pan and tilt mount from some scavenged electronics (a stepper motor from a printer and a worm drive from a cd player) I connected it via a parallel port and used darlington arrays and direct pin out of the parallel port to control the whole thing from…
