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Item #:
36663150
BIGTREETECH U2C V2.1 Adapter Board Supports CAN-Bus Connection, with 3 CAN Output Interface for 3D Printer DIY
85% of respondents would recommend this to a friend
Item #:
36663150
TTD 249
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This motherboard supports up to 8 stepper drivers with 9 stepper driver outputs in total; And up to 6 PWM fans and 2 always-on fans with the ability to individually select the voltage rail that will drive each fan.
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What Stands Out
Versatile Compatibility
The Octopus V1.1 control board supports various stepper drivers like TMC2209 and TMC2208, catering to a wide range of 3D printer upgrades and ensuring seamless integration with DIY projects.
Advanced Firmware Support
Designed for compatibility with Klipper firmware, this board allows for enhanced performance and flexibility, enabling users to maximize their printer's capabilities and achieve superior print quality.
Enhanced Performance
With its 32-bit architecture, the Octopus V1.1 delivers faster processing speeds and smoother stepper motor control, addressing common user frustrations and improving overall printing efficiency for complex designs.
Product Details
| Package Weight | 1 Pound |
Who Should Buy?
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Advanced Users
Ideal for experienced users seeking to customize their 3D printers using Klipper firmware and advanced control features.
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Voron Enthusiasts
Designed specifically for Voron V2.4 printers, providing seamless upgrades and enhanced printing capabilities.
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DIY Projects
Perfect for DIY enthusiasts wanting to build a flexible 3D printing solution with support for Raspberry Pi.
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Beginners
Not suitable for novice users due to its complex installation process and advanced features that require expertise.
Product Description
BIGTREETECH U2C V2.1 Adapter Board Supports CAN-Bus Connection, with 3 CAN Output Interface for 3D Printer DIY
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Customer Questions & Answers
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Question:
What is the BIGTREETECH U2C V2.1 Adapter Board?
Answer: The BIGTREETECH U2C V2.1 Adapter Board is a powerful interface specifically designed for 3D printers. It supports CAN-Bus connectivity, allowing for efficient communication between devices while offering three CAN output interfaces. This means you can easily connect multiple components, enhancing your printer's functionality and control. Ideal for DIY enthusiasts or those upgrading their setups, the U2C V2.1 ensures robust data transmission and improved performance. If you want to expand your 3D printing capabilities, this adapter board is a valuable addition. -
Question:
How does the CAN-Bus connectivity work with 3D printers?
Answer: CAN-Bus, or Controller Area Network, offers a reliable method for devices to communicate in a network. In the context of 3D printers, the BIGTREETECH U2C V2.1 leverages this technology to connect multiple components without the clutter of traditional wiring. This results in a streamlined setup, where information can be exchanged rapidly and reliably. As a user, you can enjoy seamless integration with other CAN-capable devices, making it easier to manage your 3D printing operations and enhancing overall machine responsiveness. -
Question:
What are the benefits of using the BIGTREETECH U2C V2.1 with a 3D printer?
Answer: Utilizing the BIGTREETECH U2C V2.1 Adapter Board provides numerous advantages for 3D printing hobbyists and professionals alike. The board simplifies wiring with its CAN-Bus capabilities, minimizing potential signal interference and boosting reliability. Furthermore, the three CAN output interfaces enable connection to various devices, allowing for versatile printer setups. This flexibility is particularly useful in complex printing scenarios where multiple modules, such as sensors and extruders, need to communicate effectively for optimal operation. -
Question:
What type of 3D printers is the U2C V2.1 compatible with?
Answer: The BIGTREETECH U2C V2.1 Adapter Board is highly adaptable and is compatible with a wide variety of 3D printers, especially those designed for DIY upgrades or enhancements. If your printer supports CAN-Bus technology, integrating the U2C V2.1 is straightforward. This compatibility makes it a popular choice among users looking to modernize their existing setups or build new projects from the ground up, as it streamlines communication for both basic and advanced 3D printing setups. -
Question:
Can the U2C V2.1 be used for multi-device setups?
Answer: Yes, the BIGTREETECH U2C V2.1 Adapter Board excels in multi-device environments thanks to its three CAN output interfaces. This allows users to connect multiple CAN-capable devices simultaneously, facilitating complex integrations within a 3D printing rig. For instance, you can connect different extruder modules, sensors, and even display units, enabling fine-tuned control and monitoring of your printing processes. This is particularly beneficial for those engaged in advanced projects requiring collaborative functionality among various components. -
Question:
What features should I consider when using the U2C V2.1?
Answer: When using the BIGTREETECH U2C V2.1 Adapter Board, consider factors such as power supply stability, compatibility with your printer's firmware, and the number of devices you plan to connect. A stable power supply ensures seamless performance, and specific firmware updates may be necessary for optimal functioning. Also, assess the types of components you want to integrate, as understanding their communication needs will help you maximize the benefits of the three CAN outputs. Planning your configuration can greatly enhance your 3D printing experience. -
Question:
How do I install the U2C V2.1 Adapter Board?
Answer: Installing the BIGTREETECH U2C V2.1 Adapter Board involves a few straightforward steps. First, refer to the product's manual for specific instructions tailored to your 3D printer model. Generally, you will need to connect the board to the printer's mainboard, ensuring each CAN device is properly aligned with the respective output interfaces. The clear labeling on the board aids in making accurate connections. Careful installation and attention to detail will ensure your setup functions harmoniously, contributing to an enhanced printing experience. -
Question:
What are the common applications of the U2C V2.1 Adapter Board?
Answer: The BIGTREETECH U2C V2.1 Adapter Board is versatile in its applications, particularly within the realm of 3D printing. Common uses include connecting multiple extruders for dual or multi-material printing, integrating advanced sensors for real-time feedback, and even enhancing user interfaces through additional display options. These applications make it an essential tool for hobbyists looking to push the boundaries of their 3D printing capabilities, allowing for creative and sophisticated projects without the hassle of complex wiring. -
Question:
Can the U2C V2.1 be used for automation in 3D printing?
Answer: Absolutely, the BIGTREETECH U2C V2.1 Adapter Board can significantly enhance automation in 3D printing. By connecting various smart devices and sensors, you can automate functions like temperature adjustments, material feeding, and bed leveling. The board’s robust CAN-Bus connectivity facilitates communication between these automated systems, ensuring they work together seamlessly for an efficient printing process. This is especially beneficial for users seeking to minimize manual interventions while maximizing precision and performance in their 3D printing tasks. -
Question:
Where can I buy the BIGTREETECH U2C V2.1 Adapter Board in Trinidad and Tobago?
Answer: You can purchase the BIGTREETECH U2C V2.1 Adapter Board from Ubuy, a reliable online marketplace in Trinidad and Tobago. Ubuy often features a wide selection of electronic components and accessories, including products like the U2C V2.1. Shopping on Ubuy not only provides you with access to this adapter board but also ensures that you can explore various related 3D printing tools and equipment, making it a convenient choice for any DIY enthusiast or professional in the 3D printing space.
BIGTREETECH 3D Printer Controllers Editorial Review
The BIGTREETECH Octopus V1.1 Control Board is a 32-bit compatible board that supports TMC2209 and TMC2208 stepper drivers. It is designed to work with Voron V2.4 upgrade 3D printers and enables DIY Klipper firmware and Raspberry Pi online printing. The board does not come with any pre-installed firmware from the factory, so it needs to be downloaded from BigTreeTech's website or another source before it can be installed on the board. Unfortunately, some customers have reported issues with this board. Some have had trouble configuring the board and getting the stepper drivers to communicate with the stepper motors. Others have reported issues with the USB port and have had to manually update the firmware. There have also been reports of defective boards, including one that caught on fire when a fan connector made contact with the pin for the fan power options. Despite the negative reviews, there are some customers who have had success with this board. One customer used it for a Voron Trident and found that it worked perfectly. Another customer used it for a CoreXY Zero G Mercury and had no issues with setup or defects.
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Pros
- 32-bit compatible
- Supports TMC2209 and TMC2208 stepper drivers
- Enables DIY Klipper firmware and Raspberry Pi online printing
- Comes with jumper wires for sensorless homing
Cons
- Reports of defective boards, including one that caught on fire when a fan connector made contact with the pin for the fan power options
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Features & Benefits
- 32-bit ARM Cortex-M4 series STM32F446ZET6 main control chip
- Supports up to 8 stepper drivers with 9 stepper driver outputs
- Supports up to 6 PWM fans and 2 always-on fans
- Ability to individually select the voltage rail for each fan
- TMC2209 stepper driver with ultra-quiet mode
- TMC Motor drivers can be used in SPI or UART mode
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