[PD] stepper control

[cyrille henry]

Le 15/08/2016 à 14:43, Lucas Cordiviola a écrit :
> Totally,
>
> Martin suggested something using what Ray already had (arduino – L298), but these chips seems perfect.
>
>     /> and can easily be control thanks to a line out and small electronic circuit (OP AMP) /
>
>
> You meant: (square wave) --> [dac] --> line out --> op amp --> Step (logic)

(square wave) --> [dac] --> line out --> op amp --> driver board -> Stepper

cheers
c


>
> Right?
>
>
> Mensaje telepatico asistido por maquinas.
>
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> *From:* Pd-list <pd-list-bounces at lists.iem.at> on behalf of cyrille henry <ch at chnry.net>
> *Sent:* Monday, August 15, 2016 9:50 AM
> *To:* pd-list at lists.iem.at
> *Subject:* Re: [PD] stepper control
>
> hello,
>
> electronic circuit like :
> http://reprap.org/wiki/Pololu_stepper_driver_board
> <http://reprap.org/wiki/Pololu_stepper_driver_board>
> 	
> Pololu stepper driver board - RepRap - RepRapWiki <http://reprap.org/wiki/Pololu_stepper_driver_board>
> reprap.org
> Please note: Pololu stepper driver boards has 0.05 ohm sense resistors instead of StepStick 0.2 ohm. A Pololu stepper driver board is a well known RepRap machine ...
>
>
>
> or
> http://www.schmalzhaus.com/EasyDriver/
> can control the steeper in a more acurate way than what you can do with an audio amplifier.
> (see datasheet for more info about the way this chip control a motor).
>
> they are inexpensive and can easily be control thanks to a line out and small electronic circuit (OP AMP)
>
> I think you will have better result using this dedicated chip than hacking an audio amplifier.
>
> cheers
> c
>
>
>
>
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