DIP settings

The dip switch will dictate the number of microsteps.

The controller supports up to 1/16 microstepping. Not using microstepping will give the highest torque (100% motor torque), but will not give a lot of accuracy. So therefore, to improve accuracy, at the cost of reducing your motor torque, one can use microstepping:

off-on-off-on will give 1/2 microstepping (against 70% torque)

on-off-off-on will give 1/4 microstepping (against 38% torque)

on-off-on-on will give 1/8 microstepping (against 20% torque)

If you use GT2 belts:

  • then the 1/2 microstepping will offer an accuracy of 0.1mm (you can set that in $12 in grbl)
  • the 1/4 microstepping will offer an accuracy of 0.05mm
  • the 1/8 microstepping will offer an accuracy of 0.025mm

It will also dictate the $100 and $101 required parameter in grbl

  • for the 1/2 microstepping you need to set these at 10 steps/mm
  • for the 1/4 microstepping you need to set these at 20 steps/mm
  • for the 1/8 microstepping you need to set these at 40 steps/mm

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