Einsy Rambo v1.1b For Prusa i3 Series 3D Printer

Einsy Rambo Compatible Prusa i3 Series 3D Printer

 Logic
 
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.)
 
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
PCB 

Package: 
Only Board option:  1pc*Einsy 1.1 

（Complete kit: ）
(1) Pre-Assembled Einsy Rambo PCB
(1) 2-pin pluggable terminal block (black)
(2) 1x2 positive latch housing & matching gold connectors
(2) 1x3 positive latch housing & matching gold connectors
(5) 1x4 positive latch housings & matching gold connectors (for motor cables)
(1) USB Cable, 1.828m (6')
(2) Thermistor wire harness, 914.4mm (36")  *thermistor not included*
(1) Mechanical endstop harness set, 609.6mm (24")
(3) Mechanical endstop switches