Jeff Epler's blog2006-03-14T14:50:02ZPhotos, electronics, cnc, and moreJeff Eplerjepler@unpythonic.netParallel-port Two-axis PWM servo controller for Etch CNC2006-03-14T14:50:02Z2006-03-14T14:50:02Zhttps://emergent.unpythonic.net/projects/01142347802<div style="float:right;clear:right"><!-- crw_3713.jpg--><div class=albumouter style=width:306px id=><div class=albumimage style="width:206px;margin-left:50.0px;"><a href="https://media.unpythonic.net/emergent-files/projects/01142347802/crw_3713-medium.jpg" class="thickbox" rel="album" title="ETCH Servo"><img src="https://media.unpythonic.net/emergent-files/projects/01142347802/crw_3713-small.jpg" width=200 height=300></a><div ><div style="float: right" ><a href="https://media.unpythonic.net/emergent-files/projects/01142347802/crw_3713-medium.jpg">(M)</a><a href="https://media.unpythonic.net/emergent-files/projects/01142347802/crw_3713.jpg">(L)</a></div><a href="https://media.unpythonic.net/emergent-files/projects/01142347802/crw_3713.jpg">ETCH Servo</a></div></div></div>
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Inspired by discussion on <tt>#emc</tt> and by the fact that I'd already
bought two <a href="http://www.goldmine-elec-products.com/prodinfo.asp?number=G15607&variation=&aitem=4&mitem=5">tiny servo motors</a>, I've designed and built a two-axis PWM servo controller
with a parallel port interface.