How do I buffer/Amp stepper current?

[jremington]

@ibbob

add any additional current for the steppers

A suitable stepper driver is used to control the stepper current, and you should be using a separate power supply for any motors, steppers, servos, etc. Please post the details of your setup, especially the steppers, and a wiring diagram.

You should find this tutorial helpful:

Stepper Motor Basics

Introduction I find myself repeatedly typing similar replies to similar questions about the basics of stepper motors and I thought it would be useful to write this note as it will be a little more comprehensive than any individual reply. The information is presented under several different headings and there is quite a bit of overlap and cross-referencing of ideas so I suggest that you should read all of the note at least once. I think it would be possible to miss some important info if you o…