[Swansea Hackspace] Arduino Uno interface to a 3D printer stepper motor.

[Tim Moore]

So a single 'step-stick' would do it ?

Many thanks for responding !

:  )))

Tim_1

On 18 April 2015 at 15:09, Justin Mitchell <justin at discordia.org.uk> wrote:

> It's an interface for all the stuff you need to drive a 3d printer, takes
> 5 step-sticks for stepper driving, has power MOSFETs to pwm the hotends and
> heated bed, and a bunch of inputs for end stops and thermistors. You plug
> it into an Arduino mega board, install some software like Marlin and it can
> run your printer, or mixed to control a CNC mill or laser cutter.
>
> Way over kill for driving one motor :)
>
> On 18 Apr 2015 2:51 pm, Tim Moore <timmoore47 at gmail.com> wrote:
> >
> > Wow !  Loads of interesting links and ideas !
> >
> > Its a very slow rotation, so inertia is not a problem.
> >
> > Is a 'RAMPS 1.4' useful ?  what does it do ?
> >
> > Many thanks to all who have responded !
> >
> > :  )))
> >
> > Tim_1
> >
> > On 18 April 2015 at 13:57, oliver Oliver <oliver at oliverjenkins.com>
> wrote:
> >>
> >> Think about pulleys or gears.  I don't know if you want the pole to
> stop at a particular point or not.  Inertia in 1m pole will be higher than
> braking force of a stepper motor.  So it will continue to spin after you
> stop the motor. Giving you an unpredictable 180 plus rotation.
> >>
> >> For a pulley arrangement look at t5  timing belts.  you can easily
> print the pulleys using a reprap.  There are libraries on thingiverse.
> >>
> >> A worm gear would be better,  but you can't print those.
> >>
> >> Oli
> >>
> >> On 18 Apr 2015 12:33, "Tim Moore" <timmoore47 at gmail.com> wrote:
> >>>
> >>> I'm trying to carefully rorate a metre long light weight pole through
> 180 degrees.
> >>>
> >>> I've got a Stepper Motor type 28BYJ-48 working fine, but I'm sure I
> need one that is a bit more chunky !
> >>>
> >>> I've got a 17HS16-2004S NEMA 17 (42 x 42 mm) high torque 1.8 degree
> stepper motor  on the way with a controller card
> >>>
> >>> But I've not got a very clear vision yet what else I might need and if
> there is any Arduino example software listing that would be good to use to
> get it to work ?
> >>>
> >>> I don't want to reinvent the wheel !  *LOL*
> >>>
> >>> Any thoughts anyone ?
> >>>
> >>> :  )))
> >>>
> >>> Tim_1
> >>>
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