On Wed, 10 Sep 2014, Brian wrote: > The application is the Z axis of a DIY CNC drill press; neat. bring it along to show us some time Joe -- Joseph Mack NA3T EME(B,D), FM05lw North Carolina jmack (at) wm7d (dot) net - azimuthal equidistant map generator at http://www.wm7d.net/azproj.shtml Homepage http://www.austintek.com/ It's GNU/Linux!