Brand N/A Model RAMPS V1.4 RepRap Quantity 1 Color Red + black Material FR4 Features Reprap 3D Ramps Shield V1.4 Motor Driver Module / Expansion Board Specification 4 channels step motor driver output 1 channel 12V Fun diver output 2 channels 12V Mosfet output for Heating resistors 6 channels Endstop sensor input 1 SD module connector Application Reprap 3D Ramps Shield V1.4 Motor Driver Module / Expansion Board for 3D Printer English Manual/Spec No Other It has provisions for the cartesian robot and extruder; Expandable to control other accessories; 3 mosfets for heater / fan outputs and 3 thermistor circuits; Fused at 5A for additional safety and component protection; Heated bed control with additional 11A fuse; Fits 5 Pololu stepper driver board; Pololu boards are on pin header sockets so they can be replaced easily or removed for use in future designs; I2C and SPI pins left available for future expansion; All the Mosfets are hooked into PWM pins for versatility; Servo style connectors are used to connect to the endstops motors and leds. These connectors are gold plated rated for 3A very compact and globally available. SD Card add on available -- Available now made by Kliment - Sdramps; LEDs indicate when heater outputs on; Option to connect 2 motors to Z for Prusa Mendel Packing List 1 x 3D Ramps Motor Driver Module / Expansion Board