MINI12864LCD Controller Marlin SD Card Side Screen Display – 3D Printer

The MINI12864LCD Controller is a compact Marlin-compatible graphic display that brings standalone printing to your 3D printer without the need for a host PC. Its 128×64 pixel LCD screen is sharp and legible, and the front-mounted SD card slot means your G-code files are always within easy reach during a print. Operated via a rotary encoder knob and confirmed with a built-in buzzer, the mini12864 LCD controller provides tactile, menu-driven control over print speed, temperature, and axis positioning — exactly as you would expect from any modern Marlin-based printer. Chinese character display support is included, and the board is available in three visual styles to suit your printer’s aesthetic. Two 5-pin EXP connector cables are included for a direct plug-in fit with RAMPS, SKR, and most other popular controller boards. Key Features 128×64 graphic LCD — crisp text and icons in Marlin’s full-graphics menu Front-side SD card slot — insert and remove cards without reaching behind the printer Rotary encoder knob with push-button select — precise menu navigation Integrated buzzer — audible confirmation for menu actions and print events Chinese character support built in Available in 3 style variants to match your build Compatible with Marlin firmware (full-graphics display mode) EXP1 EXP2 headers — plug-in compatible with RAMPS 1.4/1.5, SKR, MKS BASE, and similar boards Use Cases Standalone SD card printing — no OctoPrint or USB host required Replacing a failed or outdated display on an existing printer Adding display control to a DIY CoreXY or delta build Printer enclosures where a front-facing SD slot is essential Works Well With RAMPS 1.5 Controller Board — upgrade your RAMPS build with a matching display MKS BASE 1.6 Controller Board — all-in-one board that pairs directly with this display Project Ideas & Tutorials Marlin LCD Controllers Reference — official guide to configuring this display in Marlin firmware Setting Up an LCD Controller Panel — practical walkthrough for wiring and Marlin configuration Package Contents 1 × Mini 12864LCD Display 1 × Potentiometer Knob