RepRap Arduino Mega Shield, or Ramps 1.4 for short. It is designed to fit the entire electronics needed for a RepRap 3D printer control. This board is semi populated and the Pololu stepper drivers is NOT included.

   3 x 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 (Not included)

   Pololu boards are on pin header sockets so they can be replaced easily or    

   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.

   SD Card add on available

   LEDs indicate when heater outputs are on

   Option to connect 2 motors to Z for Prusa Mendel