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its quite a basic circuit. it only does full stepping (low torque/current) mode which might be all you need.
if you want a similar hardcoded design for high torque full stepping there is one here...

I have been working on some code to drive two steppers from step/dir inputs on a pic 16f628a.
it also has full/half step modes.
Its written in C, compiled using the open source SDCC
To control...

WOW $100? I want one!
hehe i was expecting another zero at least
you will pay more for the drivers than you did for the lathe. and with no guarantee that it will work

$3000 for a card. what a joke.
Thats a real shame.. I think the school has a spare card, not sure if it is faulty or what. I will see what I can do. its such a waste of a machine. how much did you...

hi there.
My old school had one of these, sat in the corner doing nothing for many years...
I have a friend who works there now, so i thought i would go in and try to use it.

from what i can...