BIQU Rumba Optimized Version for 3D Printer Control Board

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In virtue of the integrated control board which is based on ATmega’s AVR processor, Rumba is the core of a 3D printer, carver, laser cutter and other CNC.

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Description

The integrated design of BIQU Rumba Optimized Version for 3D Printer Control Board makes it easy to install and debug. Compared with other 3D Printer control board, Rumba has one more motor driver and less plug-in part so that it can improve the connectivity and stability of printing.

BIQU Rumba Optimized Version for 3D Printer Control Board Features

  • Five interfaces as input for temperature sensor
  • Supporting 6 pieces of 16 micro stepping drivers of DRV8825 or A4988
  • With extended LCD shield interfaces, supports offline printing (note, SD card slot is not on rumba but on the LCD shield which is sold separately)
  • PWM DC output( heating pipe ,fan), six channels of output( 1 channel of high current, 3 channels of medium current and 2 channels of low current)
  • Use low on-resistance MOS Varactor as driver and LED tests each output

BIQU Rumba Optimized Version for 3D Printer Control Board Specifications

  • compact size: 135mm x 75mm
  • fully integrated all in one solution:
    • Arduino 2560-R3 compatible (works with Sprinter, Repetier-Firmware, Marlin out of the box)
    • ATmega16U2 (with enhanced firmware) for high speed USB serial connection (up to 2MBit)
  • UNIVERSAL POWER:
    • can be used with 12V-35V for motors / heated bed
    • integrated high precision power regulators (DC/DC) for:
    • 12V (FAN/Light/…) and
    • 5V (ATmega2560/Logic)
    • power input selector for ATmega/logic (stand alone or power from USB)
  • easy DISPLAY + SD-CARD connector:
    • RepRapDiscount SmartController compatible pin header on board
  • up to 6 motor driver with easy micro stepping setup (micro switches) which can be used for:
    • TRIPLE extruder
    • DUAL Z driver and DUAL extruder
  • 5x temperature ADC connectors for thermistors:
    • e.g. 3x extruder thermistor + 1x heated bed thermistor + 1x chamber thermistor
  • 5x PWM capable power mosfet outputs (3 with voltage selector for MainPower/12V):
    • e.g. 3x (MainPower) extruder heater cartridge/power resistor + 1x (12V) fan + 1x (12V) light
  • 1x PWM capable power mosfet with extended cooling area for heated bed
  • 6x end stop connectors with power supply
    • Xmin/Xmax/Ymin/Ymax/Zmin/Zmax
    • can be used for mechanical, opto, hall, … end stops
  • screw terminals *and* pin header for easy motor connection:
    • can be used with existing 4 pin Molex plug on motor cable
    • easy to attach cables without plug
  • USB connector and USB pin header (useful when mounting in a small box)
  • Power and ALL unused pins available on EXP-3 feature connector:
    • +5V and +12V
    • 2x ADC
    • 2x PWM I/O
    • 4x I/O
    • I2C
  • full JTAG support
    • JTAG can be used during full operation (no shared pins)
    • easy to develop/debug new or optimized firmware using Atmel Studio

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