3D Printer Reprap Melzi Ardentissimo Control Board Motherboard Description: The Melzi Ardentissimo is a full-featured Melzi board using the ATMEGA1284P (ATMEGA1284P is being tested) chip used on Sanguinololu. This is a Sanguinololu firmware compatible board, though does have a couple of extra features the Sanguinololu does not - namely the extra Mosfet for the fan, and a software controllable LED. Melzi has micro SD on board as well. A full StepStick clone is on board as well negating the need for external stepper motor drivers. Specifications: This is a complete electronics control board for RepRap 3D Printers Gen7 Arduino IDE support installation Gen7 Arduino IDE support bootloader upload Integrated micro SD card socket Stepper motor driver integrated chips is A4982 Model: ATMEGA1284P Dimensions: 25 x 10 x 2cm Weight: 0.065kg Package included: 1 x Melzi ardentissimo motherboard