Re: unipolar stepper and 5804

check here for DIY PIC programers:
http://www.kitsrus.com/pic.html
Bill


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Chuck Merja" <chuckm@...>
wrote:

>
> We have some salvaged unipolar (5 wire) steppers that we've made

move with

> David Benson's 4 SPST, 4 diode manual unipolar tester. His next

step was to

> build a board with either a PIC16C711 or PIC1F84 supplying phase,

direction

> and full or ½ step info plus the step input (3 microsecond minimum

timing)

> to a UCN5804 translator/driver. We thought we had access to a PIC
> programmer that would program the 84, but alas we do not. SO I'm

wondering

> if we can just have switches to the phase (pin 9), ½ step (pin 10)

and

> direction (pin 14) to control those items and dump a square wave

from like a

> 555 to "step" (pin 11) to get the 5804 to "Control" the stepper.
>
> thanks
>
> Chuck Merja
> <http://www.srvscience.org> www.srvscience.org
>
>
>
> [Non-text portions of this message have been removed]
>