LCD 2004 Graphic Smart Display Controller Board


Product ID: 17974 SKU: 3d-7974 Category: Tags: ,

The 2004 LCD Display RepRapDiscount Smart Controller with Adapter contains an SD-Card reader, a rotary encoder and a 2004 LCD display. You can easily connect it to your RAMPS board using the “smart adapter”.

After connecting this panel to your RAMPS you don’t need your pc anymore, the Smart Controller supplies power for your SD card. Furthermore, all actions like calibration, axes movements can be done by just using the rotary encoder on the Smart Controller. Print your 3D designs without PC, just with a g-code design stored on the SD card.

Marlin V1 (new)

We have provided the Arduino Code to Start smart LCD with RAMPS. You have to open the “Arduino code pdf “(Which is Provided below )  and go to “Configuration.h”and change as

Installation: In “Configuration.h”
  1. Change “#define REPRAP_DISCOUNT_SMART_CONTROLLER” (just remove the // at the beginning)

Upload the code, power off the Arduino, connect the panel, reapply power, and everything should work.


Step 1: Download and install U8glib to your ARDUINO IDE’s library folder

U8glib Website

U8glib Download URL

Step 2: Edit Configuration.h in Marlin firmware, Search and Uncomment (just remove the // at the beginning)


Step 3: Then Compile and Upload the firmware

Step 4: Power off the Arduino, connect the panel, reapply power, and everything should work.

Features :

  1. RAMPS 1.4 2004 LCD Display intelligent controller.
  2. LED background light control circuit, a small function of the intelligent controller, With pin short time to decide on all LED turn or steering 30 seconds
  3. You can turn on the light time to do the long or short form of the adjustment TRIMM R4100K from 10 seconds to 2 minutes.
  4. Plug and play on the RAMPS, but need to modify the firmware to support.
  5. The product comes encoder parameter adjustment can be achieved, and the file selection print.
  6. With an SD card base on the back, put slicing file into the SD card and select the file on the LCD, then can be printing.


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