The EBB 36/42 CAN Bus U2C V2.1 board is a high-performance communication and expansion interface designed specifically for Klipper 3D printer firmware and related expansion devices. With advanced CAN bus technology, this module ensures fast, stable, and interference-free data transmission, making it an ideal choice for modern 3D printing systems. Supporting PT1000 temperature sensors, Stepper Motor 36/42 series drivers, and multiple expansion devices, this board allows users to unlock the full potential of their 3D printers with enhanced precision, stability, and control.

Whether you are upgrading your Voron, RatRig, CoreXY, or other custom 3D printer builds, the EBB 36/42 U2C V2.1 ensures reliable connectivity and flexible integration. Engineered with a compact design, plug-and-play compatibility, and professional-grade components, this board is a must-have for advanced makers, engineers, and industrial users.

Key Features

• High-Speed CAN Bus Communication
  Designed with a robust U2C V2.1 interface, enabling efficient and stable data transfer between the mainboard and Klipper expansion modules.

• PT1000 Temperature Sensor Support
  Direct compatibility with PT1000 sensors, ensuring accurate thermal readings for extruders and heated beds.

• Stepper Motor 36/42 Compatibility
  Supports EBB 36 and EBB 42 stepper expansion modules, offering precise motor control and enhanced motion performance.

• Firmware & Klipper Integration
  Fully optimized for Klipper firmware, enabling seamless connection with expansion devices, sensors, and CAN bus accessories.

• Compact and Durable Design
  Built with high-quality PCB, professional soldering, and reliable connectors for long-term use.

• Reduced Wiring & Easy Installation
  CAN bus system minimizes wiring complexity while ensuring stable signal integrity.

• Stable Power Supply
  Provides consistent voltage and current regulation for connected modules, avoiding fluctuations during high-load operations.

Applications

• 3D Printer Expansion
  Perfect for Voron, RatRig, CoreXY, Ender, Prusa, and custom 3D printers running Klipper.

• Temperature Monitoring
  Ideal for setups requiring PT1000 thermal sensor integration for high-precision temperature management.

• Stepper Motor Control
  Supports expansion boards for EBB 36 and EBB 42 stepper drivers to achieve accurate positioning and motion control.

• CAN Bus Networking
  Enables reliable communication between multiple expansion devices over a single CAN bus line.

• Industrial & Maker Projects
  Can be used in robotics, CNC machines, and advanced DIY automation projects requiring real-time control and monitoring.

Technical Specifications

• Model: EBB 36/42 CAN Bus U2C V2.1

• Supported Firmware: Klipper, CAN bus compatible firmware

• Communication Protocol: CAN bus (high-speed, low-interference)

• Sensor Support: PT1000 temperature sensor

• Stepper Support: Compatible with EBB 36 and EBB 42 stepper motor expansion boards

• Input Voltage: 5V via USB-C / external supply (depending on setup)

• Interface: USB Type-C to CAN bus

• Connectivity: Direct CAN bus interface with Klipper mainboard and expansions

• Build Material: High-quality FR4 PCB with gold-plated connectors

• Dimensions: Compact form factor for easy mounting inside enclosures

• Applications: 3D printing, robotics, CNC, industrial automation, embedded control systems

Why Choose the EBB 36/42 CAN Bus U2C V2.1?

1. Optimized for Klipper Firmware – Built specifically for Klipper-based systems, ensuring perfect compatibility and stability.

2. Enhanced Performance – CAN bus allows faster, more stable communication than traditional UART connections.

3. Simplified Setup – Reduced wiring requirements make installation cleaner and easier.

4. Accurate Monitoring – Direct PT1000 sensor support ensures reliable temperature readings for better print quality.

5. Future-Ready Design – Compatible with multiple expansion modules for scalability.