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

[Justin Mitchell]

Yes, one motor one step-stick.

Control it from an arduino, or any other micro, just needs two GPIO
lines.


On Sat, 2015-04-18 at 16:04 +0100, Tim Moore wrote:
> 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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>         >>>
>         >>
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