Hi Theo,
On Sat, 21 Dec 2018, Theo wrote:

> Gerhard Reithofer  wrote:
> > as this is Raspberry newsgroup I would also be interested which
> > controller you use for these steppers.

...

> > And how do you program the stepper controllers?
>
> The stepper motor controllers like this one:
>
https://www.ebay.co.uk/itm/4-Channel-HG7881-DC-2-5-12V-Stepper-Motor-Driver-Con
troller-Board-for-Arduino/292584679609
> typically use a few GPIOs for STEP, DIRECTION and so on.
>
> The CNC folks typically have multi axis stepper controllers with support for
> limit switches, spindle control etc:
>
https://www.ebay.co.uk/itm/3D-Printer-Kit-for-Arduino-CNC-Shield-V4-Nano-3-0-A4
988-Driver-GRBL-Compatible/152897481604

Sounds interesting, but how do I controll these shields with a
raspberry?

--
 Gerhard Reithofer - Techn. EDV Reithofer - http://www.tech-edv.co.at

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