Catalog > Internet of Things (IOT) Related Products > More Platforms 3D Printer RAMPS LCD Smart Controller 3D Printer RAMPS LCD Smart Controller GTC RAMPS LCD SMART CONTROLLER RAMPS 20X4 LCD SMART CONTROLLER (REPRAP) WITH SD CARD READER AND ROTARY ENCODER+SMART ADAPTOR Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The intelligent controller includes an SD card reader, rotary encoders and a 20-character x 4 line LCD display. You can easily connect it to your RAMPS 1.4 board using "smart adapter" includedThis panel connect your RAMPS 1.4, you do not need your computer, your SD card intelligent controller power supply. All further operations, such as calibration, the axis movement can be done only with a rotary encoder intelligent controller. 3D design print without a computer, just use the G code stored on the SD card designs