Stepper motor controller
This project allows you to control the speed, direc-tion, and step size of a unipolar four-phase step-per motor. The controller is capable of handling motor winding currents of up to 1.25 amps per phase and it operates from a single supply voltage of 6-30 volts DC.
If you’re interested in robotics, motion control, or just want to learn about
stepper motors, then
you should try building this versatile stepper motor controller.
Title: Stepper motor controller
electronic circuit
Source: www.electronics-lab.com
Published on: 2005-02-03
Reads: 2230
Print version: 
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