Description: -EinsyRambo 1.1a Mainboard For Reprap Prusa i3 MK3 With 4 Trinamic TMC2130 Stepper Drivers SPI Control 4 Mosfet Switched Outputs. 4 outputs (1 Extruder, 1 BED, 2 low power (fan,etc) -Logic: For Arduino MEGA compatible Atmega2560 and Atmega32u2 processors are compatible with all RAMPS class firmware, Crystals for both usb and mcu (timing accurate to 10ppm), 3 Thermistor jacks + 4th Thermistor circuit on ZProbe. -Motor Drivers: 4 Trinamic TMC2130 1/256th microstep motor drivers(2 connectors on Z for Prusa Mendel and other dual Z printer designs). SPI Control of stepper current instead of PWM. Microstep mode configured by MCU through firmware (SPI, no jumpers needed). PWM DC outputs (Extruders, Fans, Etc.) -Power: 2 power input rails. Heated Bed, 15A 12-24V (15A dedicated fuse). Primary Power 10A 12-24V: Motors, Logic & Fans (5A dedicated fuse) + Extruder (5A dedicated fuse); Built in SMPS for 5V generation from the Motors, Logic & Fans rail; Provides 5V power to FANS. -Connectors: 4-pin motor,zprobe plug -5057-9404; 3-pin fan plug -5057-9403; 2-pin thermistor, mech. endstop plug -5057-9402. Specification: Material: PCB Size: 105x70mm/4.13x2.76inch Package Includes: 1 Piece Motherboard for Prusa i3 1 Piece USB Cable Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor
