3D Printer RAMPS 1.4 Arduino Mega Shield for a RepRap

3D printer RepRap Arduino Mega Shield ( RAMPS ) for a RepRap 3D printer in one small package for low cost.

RAMPS includes

- Plug in stepper drivers.

- Extruder control electronics on an Arduino MEGA shield for easy service

- Part replacement, upgrade-ability and expansion.E

RAMPS Features:

• 3 PWM controlled mosfet powered outputs.
• Power and Thermistor Support for 2nd Extruder.
• Heated bed control with 11A fuse
• 3 thermistor circuits, 2x Extruder, 1x heatbed.
• 5 stepstick Stepper Driver sockets 
• 6 sets of Digital Pins in headers with VCC and GND for endstops 
• Extra pins broke out : PWM, digital, serial, SPI, I2C and analog
• Supports Bluetooth and SD card add on upgrades
• Expandable to control other accessories. such as Fans etc
• Fused at 5A for additional safety and component protection
• Thermal Overload Protection circuit
• LEDs indicate when heater outputs on

For Merlin firmware for RAMPS, click here

For Sprinter firmware for RAMPS, click here

For more info about RAMPS and circuit diagram, click here