3D Printer Einsy Rambo1.1b Mainboard TMC2130 SPI Drive Modefor Reprap Prusa i3 MK3/3S Part

Descriptions EinsyRambo 1 1b Mainboard For Reprap Prusa i3 MK3 With 4 Trinamic TMC2130 Stepper Drivers SPI Control 4 Mosfet Switched Outputs Features ● Logic ForMEGA 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 LogicFans 5A dedicated fuse Extruder 5A dedicated fuse Built in SMPS for 5V generation from the Motors LogicFans 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 board1 x USB4 x he