I have a cabinet full of stepper motors of various configurations, both unipolar and bipolar. I wanted a quick, easy, reliable, and cheap way of testing them in both directions of rotation for acceptability since they are salvaged during roadside recovery sweeps of my 'hood from printers, scanners, ...By: BeachsideHank
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from Instructables: exploring - technology - robots http://ift.tt/1LXO2hn
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