Cnc Plotter , servo motor issue

Other Hardware Motors, Mechanics, Power and CNC
1

I am trying to make a arduino cnc pen plotter. I have the following things:

  1. Arduino Uno
  2. Cnc shield v3
  3. Grbl v1.1

I am using a sg90 servo motor to move the pen up and down. The signal pin of servo is connected to Z+ pin of the cnc shield. But the servo doesn't move.
I have tried all M3, M03, M5, M05 commands, nothing works. All the electronics are in working condition.

If anyone knows the answer, please help, is anyone have GitHub link please give me

2

Is the CNC shield designed to drive servos or stepper motors ?

What is the shield driving on the X and Y axes

3

Grbl v1.1 (unpatched) does not have servo on Z, but you might want to look here:

4

Both 2 motors
stepper motors

5

I will check, thank you very much

6

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