Next Robotale RAMPS 1.4 Reprap MendelPrusa 3D Printer Control Board - Red + Black ARD0007 Features Arduino compatible control board Specification It has Cartesian robots and requirements of the extruder; Extended to control other accessories; Heater / fan output and three thermistors MOSFET circuits; Fusion 5A additional safety and component protection; Extra bed heating control fuse 11A; Suitable 5 Pololu stepper driver board; Pololu board pin socket, easy to be replaced and removed; I2C and SPI pin for extended use; All MOSFET into PWM pins for versatility; Rated current: 3A; LED indicates when the heater output; Option 2 motors connected to the Z Prusa Mendel