Saiper Flexible Couplings 5mm to 8mm (5pcs) Aluminum Alloy Joint Connector Compatible with NEMA 17 Stepper Motors, RepRap 3D Printer or CNC Machine, 3D Printer Accessories
- Fully assembled & tested, no soldering required, Can be extended to control other accessories..
- It has Cartesian robots and requirements of the extruder, Heated bed control with additional 11A fuse. Fits up to 5 stepper driver board..
- Three field effect transistors, three heater / fan output ports, three thermistor circuits.A number of expansion boards can be added to the system as long as the main RAMPS board is kept to the top of the stack..
- The fifth stepper motor output port can be customized as a Z-axis motor or a second extruder.Pololu board foot socket, can be easily replaced or removed..
- The modular design includes plug in stepper drivers and extruder control electronics on an MEGA shield for easy service, part replacement, upgrade-ability and expansion..