# device — Open Hardware Directory

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**2 device listed.**

## BigTreeTech EBB 36/42 CAN Bus Toolhead Board

CAN bus toolhead board for 36/42mm stepper extruders. Features STM32G0B1 MCU, onboard TMC2209, ADXL345 accelerometer, PT100/PT1000 support, and USB/CAN connectivity for Klipper 3D printers.

[Details](https://openhardware.directory/devices/bigtreetech-ebb-36-42-can-bus-toolhead-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-ebb-36-42-can-bus-toolhead-board/md)

## BigTreeTech MMB CAN V2.0 Multi-Material Control Board

CAN bus control board for the Enraged Rabbit Carrot Feeder (ERCF) multi-material system. Features STM32G0B1 MCU, 4 EZ stepper driver slots, USB/CAN connectivity, and full Klipper support.

[Details](https://openhardware.directory/devices/bigtreetech-mmb-can-v2-0-multi-material-control-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-mmb-can-v2-0-multi-material-control-board/md)