---
tag: m0256
title: LCD Brightness
brief: Set/report the LCD brightness.
author: thinkyhead

group: lcd
since: 2.0.9.2
requires: HAS_LCD_BRIGHTNESS
eeprom: true

codes: [ M256 ]
related: [ M255 ]

notes: Requires an LCD controller with software-controlled brightness.

parameters:

- tag: B
  optional: true
  description: Brightness value (0 - 255)
  values:
  - tag: brightness
    type: int

---

Set/report the LCD brightness. The value is constrained based on the LCD, but typically a value of 0 is the dimmest and 255 is the brightest.
