arduino M435 3D printer smart controller RAMPS 1.4 LCD 12864 control panel blue screen Display Lights Electronic Hobby Kit

128×64 Smart LCD controller for ramps 1.4 Smart Controller contains a SD-Card reader, an rotary encoder and a 128×64 LCD display. You can easy connect it to your Ramps board using the “smart adapter”. After connecting this panel to your Ramps you don’t need your pc any more, the Smart Controller supplies power for your SD card. Further more, all actions like calibration, axes movements can be done by just using the rotary encoder on the Smart Controller.