Brand 3D Printer Motherboard Reprap RAMPS-FD Shield Ramps 1.4 Control Board Compatible with Arduino Due Main Control Board
It is a RAMPS shield for Ardui-no DUE.
The RAMPS-FD has other hardware protection, through the jumper cap control motor drive IC
The RAMPS-FD Much more than Ramps1.4 2-way PWM
The RAMPS-FD has Larger driving power than Ramps1.4
The RAMPS-FD'POWER has two choices:12v and 24v