Features
<br />The intelligent controller includes an SD card reader, rotary encoders and a 20-character   4-line LCD display. You can easily connect it to your RAMPS 1.4 boards use "smart adapters" included.
<br />After this panel is connected to your RAMPS 1.4, you do not need your computer, your SD card intelligent controller power supply. Further all operations, such as calibration, the axis motion can be done only with a rotary encoder intelligent controller. Without a computer print 3D design, just use G code design stored on the SD card.
<br />Other
<br />Large-screen LCD 2004: 4 lines of 20 characters;
<br />After back integrated SD card connector, SD card files into sections on the LCD to select the corresponding document can be printed;
<br />The product comes with an encoder, you can achieve parameter adjustment, and file selection printing;
<br />on ramps plug and play, but you need to modify the firmware to support.
<br />Tips: You can insert SD card offline printing, this product does not contain an SD card, please parents who bring their own.
<br />Package Included
<br />1pcs LCD Screen