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Motor Driver BIGTREETECH EBB42 CAN V1.2 Board Support CAN Bus For Stepper Motor

Motor Driver BIGTREETECH EBB42 CAN V1.2 Board Support CAN Bus For Stepper Motor

The BIGTREETECH EBB42 CAN V1.2 is a compact CAN bus toolhead board designed to simplify the wiring of modern 3D printers by integrating multiple extruder and toolhead connections onto a single PCB. Mounted directly on the print head, it significantly reduces cable complexity while providing reliable communication between the toolhead and the main controller through a CAN bus network. Designed for use with Klipper firmware and CAN-enabled 3D printer electronics, the EBB42 CAN V1.2 supports stepper motor control, heater and thermistor connections, fan outputs, endstop inputs, and various expansion interfaces. Its compact design makes it an excellent solution for CoreXY, Voron, custom-built, and other high-performance 3D printers requiring lightweight and reliable toolhead electronics.

Package Includes

  • 1 × BIGTREETECH EBB42 CAN V1.2 Toolhead Board



230.00 AED 230.00 AED (Tax included)

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Features

  • Designed specifically for 42mm (NEMA 17) extruder stepper motors.
  • Built-in TMC2209 ultra-quiet stepper motor driver.
  • Integrated ADXL345 accelerometer for Klipper Input Shaper calibration.
  • Built-in MAX31865 RTD amplifier supporting PT100 and PT1000 temperature sensors.
  • Supports both CAN Bus and USB communication.
  • Selectable 120Ω CAN termination resistor via onboard jumper.
  • I²C expansion interface for additional sensors and diagnostics.
  • USB Type-C interface for programming and communication.
  • BOOT and RESET buttons for convenient firmware management.
  • Supports DFU firmware updates over USB.
  • Reverse polarity protection circuitry.
  • Reverse voltage protection diodes.
  • ESD protection on the USB interface.
  • Thermistor protection circuitry.
  • Selectable thermistor pull-up resistor via jumper.
  • Compact lightweight design for direct toolhead installation.

Specifications

Product Type CAN Bus Toolhead Controller Board
Model BIGTREETECH EBB42 CAN V1.2
Compatible Stepper Motor 42mm (NEMA 17)
Integrated Stepper Driver TMC2209
Accelerometer ADXL345
RTD Interface MAX31865 (PT100 / PT1000, 2-wire or 4-wire)
Communication CAN Bus or USB Type-C
CAN Termination 120Ω Selectable via Jumper
Expansion Interface I²C
Input Voltage 12V – 24V DC
Maximum Input Current 6A
Protection Features Reverse polarity, reverse voltage, USB ESD, thermistor protection
Firmware Update USB DFU Mode
Dimensions 40 × 40 mm

Package Includes:

p1185558-1000_14_effb7328-f6a5-4d3e-a9de-7ac11f575d3b.jpg

Applications

  • Voron 3D printers
  • CoreXY printer upgrades
  • Klipper Input Shaper calibration
  • CAN Bus toolhead conversions
  • Direct-drive extruder systems
  • Professional and industrial 3D printers
  • High-speed printing systems
  • Custom 3D printer builds
  • Multi-tool printer configurations
  • Advanced maker projects

 

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