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Instructables.com

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  Parallel Port 3 Axis CNC Driver, Opto-Isolated

  Posted: March 4th, 2010, 11:11pm MST

  This driver may be used for a 3 Axis CNC Machine. Based on the PIC16F870, for 3x Unipolar(5, 6 or 8 wire) Stepper Motors. It provides Full Stepping for good torque, with ability to toggle auto-shutdown of motor coils, which allows the motors and current regulation device to run cooler and require a...
  By: ChromationSystems
  
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