Description:

•  Circuit Version: melzi2.0
• Working voltage: 12V
• Main chip: ATMEL ATMEGA1284P chip
• Could control hotbed MK1MK2aMK2bMK3
• Onboard FT232RL interface switch chip
• USB interface: connect with computer for data  communication and programe download
• Integrated 4 A4988 stepper motor driver
• Integrated G code Mini SD cardcould realize off-line  printing
• Integrated 3 MOSFET driver hotendhotbed and fan
• Dimensions:  21 x 5 cm
• Weight: 70g