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'step motor'
1996\10\14@183330 by Nihat Dagdemir

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hi everbody

how can i use pic series to driving microstep stepper motor?
if you know or
if you know any site please help me.
thank you

1996\10\15@000744 by Todd Peterson

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At 01:30 AM 10/15/96 +0300, you wrote:

>how can i use pic series to driving microstep stepper motor?
>if you know or
>if you know any site please help me.

What amount of resolution are you looking for?  Do you need a true
sinusoidal or other microstep, or would half-stepping work (provides 0.9
degree resolution for most common stepper motors).

Take a look at our web site under the ASIC's section for a good, easy to use
stepper controller IC.  We're at http://www.netins.net/showcase/elab
-let me know privately if you need any hookup/ design assistance.

-Todd Peterson
E-LAB Digital Engineering, Inc.
(712) 944-5344

spam_OUTtpetersonTakeThisOuTspamnetins.net

1996\10\15@004114 by kozodaev

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You must add to yor PIC 4(or 2,depending of cind of stepper)transistor
switches,two whire LCD driver(as AOY438), two button('increment' & 'decrement')
and(or)
some sheet for remote control.Then you write some program and turn on.
If any questions, please reply.
Dmitry. ITEP Moscow. .....kozodaevKILLspamspam@spam@vitep5.itep.ru

1996\10\15@032139 by William Chops Westfield

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   >how can i use pic series to driving microstep stepper motor?

Hmm.  Out of curiosity, can you use PWM on the windings (instead of an
analog voltage) to microstep a stepper, or do inductance issues make this
impossible by the time you get to a frequency high enough to actually
avoid "jittering" the motor?

BillW

1996\10\15@041506 by Keith Dowsett

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>    >how can i use pic series to driving microstep stepper motor?
>
>Hmm.  Out of curiosity, can you use PWM on the windings (instead of an
>analog voltage) to microstep a stepper, or do inductance issues make this
>impossible by the time you get to a frequency high enough to actually
>avoid "jittering" the motor?
>
>BillW
>

Hi,

  this thread came up a little while ago, and it was pointed out that most
commercial stepper controllers do just that. The main reason being that it
reduces the heat dissipated in the semicondutors.

Keith.
==========================================================
Keith Dowsett         "Variables won't; constants aren't."

E-mail: kdowsettspamKILLspamrpms.ac.uk
WWW:    http://kd.rpms.ac.uk/index.html

1996\10\15@105858 by John Piccirillo

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>how can i use pic series to driving microstep stepper motor?
>if you know or
>if you know any site please help me.
>thank you


   There is a 35 page stepper FAQ at:
http://www.cs.uiowa.edu/~jones/step/index.html
that contains a lot of useful information on stepper motors.

John-

1996\10\15@132206 by Larry G. Nelson Sr.

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At 12:21 AM 10/15/96 PDT, William Chops Westfield wrote:
>    >how can i use pic series to driving microstep stepper motor?
>
>Hmm.  Out of curiosity, can you use PWM on the windings (instead of an
>analog voltage) to microstep a stepper, or do inductance issues make this
>impossible by the time you get to a frequency high enough to actually
>avoid "jittering" the motor?
>
>BillW
>That is a prime way to microstep a motor. Linear methods end up more
complex and use more power. The PWM technique works well and uses the motor
/ system inertia to eliminate jitter. One word of caution is to avoid audio
harmonics. "Singing" motors and drive systems tend to not make it to the top
of the charts.

Larry G. Nelson Sr.
.....L.NelsonKILLspamspam.....ieee.org
http://www.ultranet.com/~nr

1996\10\16@153320 by BARBAROS ASUROGLU

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Hi Nihat,

I have a code to control step motor by rs 232 using a 16c84 if you are
interested i can send you the code.

Barbaros (TA2CBA)

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