I'm a student of the Mechatronics from LUAS and as my Bachelor's Thesis I'm building my own circuit board CNC. Mostly this project is easy for me but the "advanced" electronics hasn't never been to my understanding. So I ask for your guidance on this matter.
I was going to use either of these steppers as a motor choice for my machine: KH4254?B90101 (unipolar) or KH4254?B95101 (bipolar) And the technical data can be found from here: http://catalog.nidec-servo.com/digital/english/general/pdf/KH42-B900.pdf
If I was going to select Arduino Uno or Mega then what should I have with it to control those motors? After all, their current is kind of high for direct control.