Description: Realization of data exchange through the USB interface connected to the computer*More portable because of realize offline print through the SD card Integration of 4pcs A4988 stepper motor driver Control hotbed MK1?MK2a?MK2b?MK3 Integrate Mini SD Card of G Code File Integrate 3 MOSFET drivers for hot ends, hot beds and fans Specification: Microcontroller IC: ATMEGA1284P Operating Voltage: 12V Interface: FT232RL USB Size:210x50x17mm Material:PCB Package Includes: 1Piecex Melzi 2.0 Pro 1284P Control Mainboard 1PiecexUSB Cable Note: Download PCB Files and Schematic Please check this website : http://www.reprap.org/wiki/Melzi
