Re: [CAD_CAM_EDM_DRO] Stepper Motor Driver

Hi Terry,

This is a unipolar drive, so you must either use only the rated voltage of the
motors, or add the L/R resistors. They will depend on the voltage and current
rating of the steppers, and the power supply used.

Alan KM6VV


Blue wrote:

> Hi,
>
> I thinking of buying this kit in the link below. Could one of you
> electronics people look at the link and tell me if I need resistors in
> series with the motor connections and if so where and what sizes and
> wattage.
>
> http://www.electronic-kits-and-projects.com/kit-files/3000/3179.pdf
>
> Regards,
>
> Terry
>