Hallo all. Why don't you us stepper motor driver IC. for example SAA1027 Philips (uni- polar) or ucn-5804B Allegro Microsystems (uni-polar) or L297 SGS-Thomsom (uni and bi-polar) This will take care of some problems and your handyboard alive!! for (...) (26 years ago, 26-Oct-98, to lugnet.robotics.handyboard)
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