RAMPS 1.4 3D Printer Control Board
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 4 x A4988 stepper driver boards
Shield has 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 end stops, motors, and LEDs. These connectors are rated for 3A, very compact, and globally available.
SD Card add on available
LEDs indicate when heater outputs on
Option to connect 2 motors to Z for Prusa Mendel