The new MKS Base 1.2 3D Printer Controller board combines and improves the assets of the RAMPS 1.4 and Arduino Mega 2560 boards on a fantastic single board solution. The MKS Base 1.2 is an optimal 3D printer controller solution for your Reprap 3D Printer. Main features The MKS Base 1.2 solves interface connection problems between the Arduino Mega 2560 and RAMPS 1.4 boards by having both integrated into a single board 5 Stepper Motor Driver Slots. The boards supports a wide variety of Stepper Motor Drivers - most notably A4988, 8825 and Ice-Blue Stepper Motor drivers drive The MKS Base 1.2 board uses a high quality 4-layer PCB which optimizes heat dissipation Firmware can use the same configuration as RAMPS 1.4 Easy DISPLAY + SD-CARD connector - compatible pin header on board for 2864 & 2004 LCD Display controller panels. 6x end stop connectors with power supply Xmin/Xmax/Ymin/Ymax/Zmin/Zmax 3 x 5V output, 3 x 12V output interface Reserve motor pulse and direction output port Support 12V-24V power input