Reports of a REALLY powerful stepper controller.

Poor Man's DRO.

Here's a fellow doing Taig CNC in a small NYC home shop!

CNC routing of Printed Circuit boards, with notes and YouTube video (NEW 7-Nov-2007)

Excellent tutorial on stepper motors

Home-brew optical limit switches

Picaxe-based Tachometer http://www.tach.rexlantz.com/Tachometer%20Maths.pdf

Check out www.colinusher.info, there is listed a beautiful little FREE program called Model Engineers Utilities. You'll find that it covers anything that you will ever need in the way of formulas.

Machining anodized aluminum from CNCzone