When you use Arduino Due as the controller of your 3D Printer, you may find the RAMPS1.4 is not compatible with DUE.As you know the Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3, the importance is the Atmel SAM3X8E chip used on the Due operates at 3.3V,worse applying 5V to the Due's inputs will likely damage the chip.

So we create a new RAMPS variant which is compatible with the Due to replace Ramps1.4.