3D Printer Controller Board RAMPS 1.4 Arduino Mega Shield RepRap Prusa Model

This is a 3D Printer Controller Board RAMPS 1.4 Arduino Mega Shield RepRap Prusa Model. This is Mega Pololu Shield or RAMPS for short. The 3D Printer Controller Board RAMPS 1.4 is designed to fit the entire electronics needed for a RepRap in one small package for low cost. RAMPS interfaces an Arduino Mega with the powerful Arduino MEGA platform and has plenty of room for expansion.