Can I control the cnc shield nano with uno card ?
By "cnc shield nano", did you mean a board similar to this one?
I would think that you could use jumper wires from your UNO into the socket where the Nano would go. You would need to determine the equivalent pins on your UNO that map onto the Nano but that would not be hard to do.
Yes exactly the same
In which case:
Sorry I can't be of further help as I've not played with DVD motors.
If you were to edit the title of your discussion to something like "Driving DVD motors with A4988" and move the discussion to the "Motors, Mechanics, Power and CNC" category, hopefully you will get further assistance.
There are forum members who have used CNC shields and they would be able to advise you better than I can.
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