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

EMC has 4 phase output available with freqmod.o, just change one line in
the ini file.

Mark

Alan Marconett KM6VV wrote:

>Hi Tad,
>
>The chips are ALREADY in driver circuits! And a power supply along with
>them! Why not just interface at the 4-phase lines coming from the
>processor, and driver 'em that way?
>
>Alan KM6VV
>
>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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