SainSmart Ultimaker 1.5.7 Controller for 3D Printer Similar Ramps 1.4 RepRap Arduino Mega 2560 UNO R3



This is a board that’s very similar to other Pololu-based electronics
implementations, including RAMPS, but it can support up to 5 steppers (three for
X, Y, Z, one for an extruder and one for any other function). You can add as
many stepper driver carriers as you need. It is designed to run at higher
voltages than 12 Volts, This allows you to put 90 Watts out of one MOSFET and
run your stepper motors with more torque and higher maximum speeds. This board
is also used on the Mantis-30 milling machine from Protospace and on various
Mendel’s that people have built.


* 3x 55 Amp MOSFETs outputs (with LED indicators. Actual current capability
limited by PCB and connectors)
* All pins are broken out for maximum extensibility
* Runs from 15V to 19V.
* Three thermocouple inputs, or thermistor inputs. The 100K thermistor is
* Has a IDC header for adding an LCD panel (movie here)
* Has a header for adding an SD card module
* A toggle-switch for powering up/down the board
* Easier to wire up thermocouples
* Includes a 12V regulator for an (always on) fan to cool the electronics.
* A PWM output with power for LED arrays and other lighting
* LCD backlight dimming can now be software controlled
* A serial I/O header for bluetooth and ethernet add-ons.
* Servo outputs for experimental setups. They need to be interrupt or software
driven as the pins routed to the servo header I/O do not have PWM.

Note: Download the doumentation & codes here:

  • Plug in all motors with simple 4-way JST connectors
  • Made for Ultimaker’s UltiStepper Driver.
  • Compatible with Pololu stepper driver boards
  • Controls up to 5 stepper motors (3 for the X, Y and Z axis one for an extruder (the “E axis”), optionally you can add another axis by adding a Pololu stepper driver.
  • Configurable step sizes by placing jumpers

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