Re: A USB-CAN-Based Distributed Dual-Axis Motion Controller

I agree that the board will have to allow for proper heatsinking.
FTDI's FT245BM USB FIFO chip has Linux drivers for EMC support. I
wouldn't think the external interface would be that difficult to
write.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<davemucha@j...> wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "kdoney_63021"
> <kdoney_63021@y...> wrote:
> > The first prize winner in circuit cellar's design contest is an
> > interesting project. Anyone interested in the pcb's after I route
> > them? Contact me off-group.
> >
> > http://www.circuitcellar.com/flash2002/first.htm
>
>
> looks like an Allegro A3977 chip controled via the usb.
>
> what software packabes will offer USB support ? I assume that

Turbo-

> CNC being a DOS program will not support it ?
>
> Also, looking at the board, it appears very little in the way of

heat

> sinking. the A3977 will need some heatsinking that is not provided
> for on the chip.
>
> interesting idea, I'm just wondering if the software support is

there

>
> Dave