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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > Question, Requesting help, schematic stepper motor step/direction & drive.

Thread: Question, Requesting help, schematic stepper motor step/direction & drive.

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  1. 09-07-2015, 10:11 PM #1
    jlnading
    jlnading is offline Registered
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    Cool Question, Requesting help, schematic stepper motor step/direction & drive.

    I would like to build a machine using a stepper motor (nema 17, 1.8 DEG., 200 SPR, 3 amps, 12 to 24 volts), that I can adjust speed of independently, also switch direction without software or being connected to a computer. Does anyone have a schematic that one could use/build from, to control step and direction along with a driver I could build to accomplish what I am requesting? Thanks Jeff.
    Jeff's CNC Plasma Cutting
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  2. 09-08-2015, 04:21 PM #2
    James Newton
    James Newton is offline Registered
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    Re: Question, Requesting help, schematic stepper motor step/direction & drive.

    A standard 555 timer can be used to generate pulses.
    techref.massmind.org/techref/logic/555/555astable.htm
    Direction can be changed with a simple switch...
    techref.massmind.org/techref/io/keyswitch.htm
    James hosts the single best wiki page about steppers for CNC hobbyists on the net:
    http://www.piclist.com/techref/io/steppers.htm Disagree? Tell him what's missing! ,o)
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  3. 09-08-2015, 10:36 PM #3
    jlnading
    jlnading is offline Registered
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    Re: Question, Requesting help, schematic stepper motor step/direction & drive.

    Thanks James, I'll look into this as I have some time.
    Jeff's CNC Plasma Cutting
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