The EBB SB2209/SB2240 CAN/USB Board for Voron StealthBurner U2C V2.1 is a high-performance control solution designed to enhance the speed, precision, and reliability of your 3D printer. Built with advanced CAN bus and USB communication, this board is optimized for Voron StealthBurner extruders, offering seamless integration and efficient motion control. Whether you are upgrading your existing Voron system or building a new custom printer, this board delivers the stability, silent operation, and modular flexibility required by professional makers and hobbyists.

With a compact design, RP2040 MCU, and support for Klipper firmware, the SB2209/SB2240 ensures smooth motion planning, reduced wiring complexity, and improved real-time control—making it the perfect upgrade for next-generation 3D printing setups.

Key Features

• CAN Bus + USB Connectivity – Ensures stable, high-speed communication with reduced wiring complexity.

• Voron StealthBurner Compatible – Engineered specifically for Voron StealthBurner extruders, ensuring reliable performance.

• SB2209/SB2240 Dual Options – Choose between SB2209 and SB2240 for flexibility in stepper driver selection and application.

• RP2040 MCU Integration – High-performance microcontroller enables smooth motion control and Klipper firmware support.

• Silent Stepper Driver Operation – Delivers quiet, precise printing with reduced vibration and noise.

• Easy Firmware Updates – Compatible with open-source firmware such as Klipper for advanced tuning and optimization.

• Thermal and Overcurrent Protection – Built-in safeguards protect your 3D printer hardware for longer life and stability.

• U2C V2.1 Support – Designed for seamless communication with U2C V2.1 CAN bridges, making it highly reliable for modern setups.

• Modular & Compact Design – Space-saving layout that simplifies installation and cable management.

• Optimized for High-Speed Printing – Maintains signal integrity and motion accuracy even at fast print speeds.

Technical Specifications

• Model: EBB SB2209 / EBB SB2240

• Communication: CAN Bus / USB

• Microcontroller (MCU): RP2040

• Compatible Printers: Voron StealthBurner, Voron 2.4, Voron Trident, and other Klipper-supported 3D printers

• Supported Firmware: Klipper

• Stepper Driver:

  • SB2209: TMC2209 driver

  • SB2240: TMC2240 driver

• Voltage Input: 12V / 24V

• Protection Features: Overcurrent protection, thermal shutdown, voltage regulation

• Expansion Options: Multiple auxiliary ports for endstops, thermistors, fans, and sensors

• Firmware Update Method: USB / CAN bus via Klipper host

• Dimensions: Compact PCB form factor for easy installation

• Operating Temperature: -20°C to +70°C

Benefits of Upgrading with EBB SB2209/SB2240

• Streamlined Wiring: Reduce cable clutter with efficient CAN bus communication.

• Silent & Precise Printing: Achieve professional-grade print quality with TMC driver technology.

• Future-Ready Performance: Full compatibility with Klipper and U2C V2.1 ensures long-term support.

• Enhanced Safety: Built-in hardware protection keeps your system stable under heavy workloads.

• Optimized for Voron StealthBurner: Specifically engineered to integrate seamlessly into Voron builds for maximum reliability.

Applications

• Voron StealthBurner 3D printers

• Voron 2.4 and Trident builds

• Custom Klipper-based 3D printer projects

• High-speed printing environments requiring CAN bus communication

• Professional 3D printing setups demanding reliable, precise motion control

The EBB SB2209/SB2240 CAN/USB Board for Voron StealthBurner U2C V2.1 is the ideal upgrade for enthusiasts and professionals who want better motion control, reduced noise, and improved reliability in their 3D printer. Its advanced architecture ensures long-term compatibility with Klipper firmware and supports fast, stable printing with minimal wiring complexity. Whether you’re building a high-end Voron machine or upgrading your existing setup, this board provides the performance edge you need.