1.You can try to swap the problem one to the normal one.
Then you can know the result.
2.Check your travel speed<120mm/s
3.Try to adjust the vref of the A4988 to 1.1V
Stepper motor skipping!!
Re: Stepper motor skipping!!
I think you need to check the A4988 at first.
1.You can try to swap the problem one to the normal one.
Then you can know the result.
2.Check your travel speed<120mm/s
3.Try to adjust the vref of the A4988 to 1.1V
1.You can try to swap the problem one to the normal one.
Then you can know the result.
2.Check your travel speed<120mm/s
3.Try to adjust the vref of the A4988 to 1.1V
-Keep your mind and try to test it. 
-Everything will be fun！-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!
-Everything will be fun！-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!