Descriptions:EinsyRambo 1.1b Mainboard For Reprap Prusa i3 MK3 With 4 Trinamic TMC2130 Stepper Drivers SPI Control 4 Mosfet Switched Outputs.
Features:● Logic:- For 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.)
– 4 outputs (1 Extruder, 1 BED, 2 low power (fan,etc)
– Low resistance mosfets for cool running
– Indicator led for each channel
– FANS have 3pin fan connector.
– FANS have 5V instead of 12-24V power source.
– FAN connectors have tachometer feedback pin to the MCU to measure fan speed in capable firmware.
● 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 – Molex 5057-9404
– 3-pin fan plug – Molex 5057-9403
– 2-pin thermistor, mech. endstop plug – Molex 5057-9402
Package Included:1 x EinsyRambo 1.1b board
1 x USB
4 x heat sink
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