---
tag: m0081
title: Power Off
brief: Turn off the power supply.
author: thinkyhead, AnHardt

requires: PSU_CONTROL
group: control

codes: [ M81 ]
related: [ M80 ]

notes:
  - A `PS_ON_PIN` is also required. Check your board's pins file for the default.
  - For Marlin 1.1.9 and earlier this feature is enabled by `POWER_SUPPLY`.

example:
  -
    code: M81 ; power off

---

Turn off the high-voltage power supply. If the board is not powered from another source, this may also shut down the electronics.