--- tag: m0250 title: LCD Contrast brief: Set and/or get the LCD contrast. author: thinkyhead requires: HAS_LCD_CONTRAST group: lcd codes: [ M250 ] notes: Requires an LCD controller with software-controlled contrast. parameters: - tag: C optional: true description: Contrast value values: - tag: contrast type: int examples: --- Set and/or get the LCD contrast. The value is constrained based on the LCD.