SainSmart Melzi Reprap 3D Printer controller board, ATMEGA1284p, A4988 for Arduino

This is a Reprap Melzi Ardentissimo fullfeatured board using the ATMEGA 1284P 16MHZ (is being tested) chip . This is a Sanguinololu firmware compatible board, need not the extra fan, hasing micro SD on board as well. A full firmware is on board as well negating the need for external stepper motor drivers.

Features

* The main chip is ATmega1284P (TWICE the memory of the inferior 644P!)
* 4*Stepper Motor Driver integrated chips are Allegro A4988
* Integrated USB chip FT232RL socket
* Integrated X/Y/Z/E step motor driver with sockets
* Integrated X/Y/Z stopping with sockets
* Integrated heatbead temperature controller with sockets
* Integrated hotend temperature controller with sockets
* Integrated power in sockets
* Integrated micro SD card socket
* Just connecting this board with USB wire into your pc, win7 can automaticly driving it,
* Install control software, the 3D printer you made is well done.
* If connect with our mk4 hotend nozzle,it need not to be adjusted and easily excute you 3D printing project.