20×4 character LCD control panel with rotary encoder and SD card slot, designed for use with external controller boards.
Overview:
The 2004 Character LCD Control Panel is a text-based display module featuring a 20×4 character LCD, rotary encoder with push button, and an onboard SD card slot. It is mounted on an interface PCB that connects to an external controller board via ribbon cables, allowing menu navigation and status display.
This module does not operate independently and requires an external controller such as Arduino, RAMPS, or other compatible control boards to function.
Specifications:
Display Type: Character LCD
Display Format: 20 columns × 4 rows
Interface Board: LCD interface / control panel PCB
Input Control: Rotary encoder with push button
Storage: SD card slot
Backlight: Yes
Connection: Ribbon cable headers
Requirement: External controller board required
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