BIGTREETECH Pi 2 SBC and CB2 module for 3D printers now feature Rockchip RK3566 SoC with Gigabit Ethernet

BIGTREETECH recently announced the release of the BIGTREETECH Pi 2 SBC and BIGTREETECH CB2 SoM, both powered by the Rockchip RK3566 SoC. These new modules are direct upgrades from the BIGTREETECH Pi v1.2 and BIGTREETECH CB1, which we covered and reviewed in our previous posts.

Specially designed for 3D printers, these new modules have a similar form factor to that of a Raspberry Pi and the RPI CM4 module, and come with a set of upgraded features including support for GbE Ethernet, dual-band WiFi, up to 32GB of LPDDR4 RAM, eMMC storage, HDMI, USB, and more.

BIGTREETECH Pi 2 Specifications

• SoC – Rockchip RK3566
  • CPU – Quad-core Arm Cortex-A55 processor @ 1.8 GHz
  • GPU – Arm Mali G52-2EE GPU with support for OpenGL ES 1.1/2.0/3.2, Vulkan 1.1, OpenCL 2.0
  • NPU – 0.8 TOPS AI accelerator
  • VPU – 4Kp60 H.265/H.264/VP9 video decoding, 1080p100f H.265/H.264 video encoding
• System Memory – 2GB LPDDR4 (Customizable – 1GB/2GB/4GB/8GB)
• Storage
  • 32GB eMMC with (Customizable – 8GB/32GB/64GB/128GB)
  • MicroSD card slot (SDIO2.0 capable)
  • Customizable SPI Flash – W25Q256JWEIQ
  • PCIe 2.1 1×1 Lane (Supports M.2 2242 4PIN+5PIN)
• Video Output – HDMI 2.0 OUT (480p to -4K 60Hz)
• Camera – 2-Lane MIPI CSI2 Camera (320P-1080P 60Hz) The board should also support Raspberry Pi Camera V1.3 (OV5647) and Raspberry Pi Camera V2 (IMX219)
• Networking
  • Gigabit Ethernet Support
  • 2.4GHz/5GHz WiFi (802.11 ac/a/b/g/n, 433.3Mbps), Bluetooth 5.2 with onboard antenna and uFL connector
• USB – 3x USB 2.0, 1x USB 3.0
• Audio
  • 3.5mm audio interface with MIC input
  • Additional condenser microphone input port
• Expansion – Standard 40-pin GPIO header
• Misc – Onboard IR Receiver
• Power Supply
  • Input Voltage – DC 5V±5%/2A (Type-C)
  • DC 12V-24V (Screw Terminals – Ensuring Compatability with 3D Printers)
  • Output Voltage –  3.3V±2%/100mA
• Dimensions – 93.8mm x 56mm

Note – The major specifications for the CB2 stay almost the same as the Pi 2 with some minor differences like onboard IR Receiver, Input voltages, and more.

The BTT Pi 1 runs the CB1 image based on Debian 11, Linux 5.16, and Klipper open-source 3D printer software. However, for the BTT Pi 2, the company has not clearly mentioned what it will be, and there are no updates on their GitHub repository either. In the box, you will find the SBC itself, a Wi-Fi antenna, a heatsink, a BIGTREETECH sticker, and a BTT Duck. The same is true for the CB2 module.

At the time of writing, the BIGTREETECH Pi 2 is priced at $49.99 and is available on the official store page. However, the CB2 module will only become available on April 26th on the same page. For more information, you can also check out their product announcement.

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