Re: [CAD_CAM_EDM_DRO] SI-7300A or SLA7024M CIRCUITS

Tad,

i have also pulled motors from old star printers. i also have the SLA
chips from the printers, designed my own circuit around them. i can send
schematics, datasheet, pcb design(i would not make it the same way again).

vajk

tad borowiecki wrote:

> HI,
> I have obtained some stepper control chips off HP
> laserjet 2 and a Fujistu printers. Both chips look
> quite capable of handling a reasonable amount of
> current.
>
> Has anyone had a go at using either of these to create
> a stepper motor driver circuit. It seems a shame not
> to make use of these bits as the motors they control
> are worth trying in a mill.
>
> Thanks.
>
> Tad.
>
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