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Reliable BTT Pi4B Adapter for BIGTREETECH CB1 or CM4 modules, creating a Raspberry Pi 4B-style single board computer setup for Klipper, Mainsail, Linux, Debian, and 3D printer electronics.
$44.95
The BTT Pi4B Adapter is a single board computer carrier from Big Tree Tech that allows the BIGTREETECH CB1 or a compatible CM4 module to function in a Raspberry Pi 4B-style layout. When combined with the BIGTREETECH CB1, it can be used as a practical Raspberry Pi-style alternative for Klipper, Mainsail, Linux, Debian, and 3D printer electronics builds.
Your current dnb3D product page notes that this adapter is used on dnb3D 3D printer DIY kits with the BTT Pi4B/CB1 in conjunction with Manta M8P and/or Octopus V1.1 control boards. It gives builders access to familiar SBC-style ports while using the CB1 or CM4 as the compute module.
The BTT Pi4B Adapter connects directly to the CB1 or compatible CM4 module. The CB1 provides the processing hardware, while the Pi4B Adapter provides a Raspberry Pi 4B-style board format with useful ports and headers. This makes it helpful for builders who want a standalone Klipper computer instead of installing the CB1 directly onto a Manta control board.
This adapter opens up functions and solutions similar to the Raspberry Pi 4B. Your page lists 2 Micro HDMI ports, 1 Gigabit Ethernet port, 4 USB 2.0 ports, 40-pin GPIO, 1 microSD card slot, 1 Type-C USB port, 5V fan input, and external camera input pins. These features make it useful for printer control, network access, display output, USB devices, GPIO accessories, and camera-based printer monitoring.
The BTT Pi4B Adapter supports Klipper, Linux, Debian, and other operating systems depending on the compute module, firmware image, and configuration. For 3D printer use, it is commonly paired with the BIGTREETECH CB1 to run Klipper and Mainsail while connecting to a separate printer control board such as a Manta M8P or Octopus V1.1.
The BIGTREETECH CB1 is sold separately and acts as the compute module in this setup. The CB1 product page lists a quad-core 64-bit ARM Cortex-A53 processor running at 1.5GHz with 1GB DDR3 RAM. When paired with the Pi4B Adapter, it can be used as a compact SBC-style controller for Klipper printer builds.
The CB1 heatsink is also sold separately. For enclosed printer electronics bays, long print sessions, or warm control compartments, pairing the CB1 and Pi4B Adapter with the CB1 Heat Sink PI4B can help improve thermal management and system stability.
Your dnb3D page notes that the BTT Pi4B/CB1 setup is used in conjunction with Manta M8P and/or Octopus V1.1 control boards. This makes it useful for Rat Rig-style builds, Voron-style machines, CoreXY printers, custom Klipper setups, and DIY electronics enclosures where a separate SBC-style compute board is preferred.
This product can be used as part of a BIGTREETECH Klipper electronics setup. Pair it with the BIGTREETECH CB1, CB1 Heat Sink PI4B, and Manta M8P By BTT depending on your printer build. These products are sold separately unless specifically listed as part of a bundle or kit.
For official board files, firmware images, documentation, and release information, review the BIGTREETECH CB1 and Pi4B Adapter GitHub release documentation before installation or flashing.
Every order is hand-inspected and precision-shipped from dnb3D in Marathon, Ontario. Whether you are building a Klipper-based Rat Rig, Voron, CoreXY, or custom 3D printer, the BTT Pi4B Adapter provides a practical Raspberry Pi 4B-style carrier board for CB1 and CM4-based electronics setups.
The BTT Pi4B Adapter is a single board computer carrier board for BIGTREETECH CB1 or compatible CM4 modules, designed to create a Raspberry Pi 4B-style layout for Klipper, Mainsail, Linux, Debian, and 3D printer electronics.
| Product Type | Single board computer carrier / CB1 and CM4 adapter board |
|---|---|
| Model | BTT Pi4B Adapter |
| Compatible Compute Modules | BIGTREETECH CB1 or compatible CM4 module |
| Primary Function | Creates a Raspberry Pi 4B-style SBC layout when paired with CB1 or CM4 |
| Operating System Support | Supports Klipper, Linux, Debian, and other compatible operating systems depending on firmware image and module setup |
| Video Output | 2x Micro HDMI |
| Network Port | 1x Gigabit Ethernet port |
| USB Ports | 4x USB 2.0 ports |
| GPIO | 40-pin GPIO |
| Storage | 1x microSD card slot |
| Power / USB-C | 1x Type-C USB |
| Fan Input | 5V fan input |
| Camera Interface | External camera input pins |
| Common Printer Use | Klipper and Mainsail setups with BTT CB1, Manta M8P, Octopus V1.1, Voron-style builds, Rat Rig-style builds, CoreXY printers, and DIY 3D printer electronics |
| Related Products | BIGTREETECH CB1, CB1 Heat Sink PI4B, Manta M8P By BTT |
| Sold Separately | CB1 module, CM4 module, heatsink, Manta board, power supply, wiring, fan, and accessories are sold separately unless otherwise stated. |
| SKU | DB-0571-6853 |
| Installation Warning | Confirm compute module compatibility, firmware image, board orientation, power requirements, cooling, wiring, and connector clearance before installation. |
| Fulfillment | Hand-inspected and precision-shipped from dnb3D in Marathon, Ontario, Canada |
Before installing the BTT Pi4B Adapter, confirm that you are using a compatible BIGTREETECH CB1 or CM4 module. The adapter provides the Raspberry Pi 4B-style layout, but the compute module provides the processing hardware.
Disconnect power before installing, removing, or handling the adapter board, CB1 module, CM4 module, heatsink, camera cables, USB devices, or related electronics. Avoid inserting or removing modules while powered.
Install the CB1 or CM4 module in the correct orientation according to the official documentation. Incorrect seating or misalignment can damage the module, adapter board, or connector.
Use the correct firmware image and setup files for the CB1, CM4, and Pi4B Adapter setup. Firmware intended for a different board or module may not boot correctly. Review the official BIGTREETECH GitHub release documentation before flashing.
The CB1 and heatsink are sold separately. In enclosed printers, warm electronics bays, or long-running Klipper setups, use appropriate cooling and airflow. The CB1 Heat Sink PI4B can help improve thermal management when used with compatible CB1 and Pi4B Adapter setups.
Handle Micro HDMI, USB, Ethernet, GPIO, camera pins, microSD, and USB-C ports carefully. Avoid forcing connectors, bending pins, or putting stress on cables during installation.
If using camera pins or the 40-pin GPIO header, confirm pinout and orientation before connecting accessories. Incorrect wiring can damage the adapter, compute module, camera, or connected electronics.
Before closing the electronics enclosure, test power, boot behaviour, network access, USB devices, microSD storage, Klipper/Mainsail access, and board communication. Confirm stable operation before long prints.
Keep the adapter board away from loose screws, metal chips, conductive dust, filament debris, moisture, and static discharge. Use proper standoffs, mounting hardware, cable routing, and enclosure airflow.
Every order is hand-inspected before shipping. dnb3D precision-ships adapter boards, compute modules, electronics, control boards, cooling accessories, and 3D printer hardware across Canada from our Ontario facility, helping makers and printer builders receive clean, usable parts ready for careful installation.
At dnb3D, we don’t just ship boxes—we manufacture solutions. Operating our Industry 4.0 micro-factory in Marathon, Ontario, means your order is handled by the same people who design and test these components.
Ready to Ship (3D Printer Parts & Hardware): Finished, inspected, and on the shelf. Dispatched within 1 to 2 business days.
In-House Manufacturing (Laser, Plasma, 3D Prints): These items are manufactured “fresh” to order. Please allow 3 to 5 business days for precision cutting and finishing.
Custom Projects: Bespoke designs require a consultation and a locked-in timeline before production begins.
We ship nationwide across Canada and the USA. Centrally located on the North Shore of Lake Superior, we are uniquely positioned to get your products moving quickly to either coast.
We stand behind every weld, cut, and print. If a product doesn’t meet your expectations, contact the Hub within 30 days. If we wouldn’t put it in our own shop, we won’t let it sit in yours.
Standard Items: Contact us within 30 days for return authorization. Items must be in original, unused condition.
Custom/Personalized Orders: Digitally fabricated to your exact specs (names, custom dimensions, or unique finishes) are final sale once production begins.
Shipping Costs: Return shipping is the responsibility of the customer unless the item arrived damaged or defective.
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