_gcode/M400.md


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---
tag: m0400
title: Finish Moves
brief: Wait for all moves to finish
author: thinkyhead

group: motion

codes: [ M400 ]

notes:

parameters:

example:
  -
    pre: Wait for moves to finish before playing a beep
    code:
      - M400
      - M300 S440 P100

---

This command causes G-code processing to pause and wait in a loop until all moves in the planner are completed.