3D Lab Tech


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The BIGTREETECH Pi4B Adapter is an IO board that allows the BIGTREETECH CB1 or Raspberry Pi CM4 to connect to a mainboard. The adapter provides conversion interfaces to the CB1 core board to connect to the mainboard. The Pi4B adapter has a standard Raspberry Pi CM4 socket, which allows the CB1 or CM4 to be used as a standalone Raspberry Pi by adding the necessary USB and GPIO components. The Pi4B adapter comes with a variety of expansion interfaces, including a Gigabit Ethernet port, a 5V fan port, 4 USB 2.0 ports, dual micro HDMI ports, a CSI/DSI interface, and a microSD card slot.

Most recent OS image for CB1 can be found here on Bigtreetech Github page

Click here if you would like to purchase a heatsink for the CB1

Click here if you require the Bigtreetech CB1 Module


What is the difference between the Bigtreetech CB1 and Raspberry Pi CM4?

The BIGTREETECH CB1 and Raspberry Pi CM4 are both system-on-modules (SOMs) that offer similar form factors and compatibility with various accessories. However, there are some key differences between the two:

  1. Processor: The CB1 features an Allwinner H616 quad-core Cortex-A53 processor, while the Raspberry Pi CM4 offers a range of options with different processors, including the Broadcom BCM2711 quad-core Cortex-A72.
  2. Multimedia Capability: The CB1 has better multimedia capability compared to the CM4. It supports 4Kp60 H.265/H.264 video decoding and 1080p60 H.264 video encoding, providing enhanced video processing capabilities.
  3. DSI Support: The CB1 does not have a DSI (Display Serial Interface) connector, which is present on the Raspberry Pi CM4. This means that the CB1 cannot directly interface with DSI-compatible displays.
  4. Memory: Between the 2 modules the CB1 includes faster RAM. The CB1 comes with 1GB DDR3 RAM, while the Raspberry Pi CM4 offers different memory options, including 1GB, 2GB, 4GB, or 8GB LPDDR4 3200 SDRAM.
  5. Ethernet: The CB1 has a 100Mbps Ethernet interface, while the Raspberry Pi CM4 offers a Gigabit Ethernet interface.

It’s important to note that the specific features and capabilities of the CB1 may vary depending on the version and configuration. It’s recommended to refer to the official documentation and specifications for accurate and up-to-date information on the CB1 and Raspberry Pi CM4

Weight.01 kg
Dimensions8 × 6 × 4 cm


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