Re: [CAD_CAM_EDM_DRO] Re: Getting 4.2V from a 5V PSU for a Stepper Motor Driver Board

Kev Pearce (kevp.com) wrote:

>I prefer to design and build my own kits rather than simply buy them.
>Okay mainly from the manufactuers data sheet example circuits but that's
>just my way of doing things.
>The L297/8 seemed a nice pair and easilly available here in the UK (if a
>little pricey).
>
>

Kev,

Although it is certainly not refined, I am nearing completion on
building a bipolar microstepping, chopper drive.
You can review the schematic and details here:
http://www.bright.net/~agarb/STMD/STMD.html

Aaron Garber