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Summary of Contents for BIQU Hermit Crab 2 Series
- Page 1 Hermit Crab 2 Series User Manual...
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Page 2: Revision Log
BIQU Hermit Crab 2 Series User Manual Revision Log Version Date Revisions v1.00 June 2023 Initial Version... -
Page 3: Table Of Contents
BIQU Hermit Crab 2 Series User Manual CONTENT Revision Log ..............2 Product Profile ...............4 Feature Highlights ..........4 Specifications ............5 Dimension ...............6 Peripheral Interface ............7 Pin Description ............7 Wiring ...............8 BLTouch Wiring ............8 Fan Voltage Selection .............9 4-Pin Fan ............9 2-Pin Fans ............9 RGB Wiring .............10... -
Page 4: Product Profile
BIQU Hermit Crab 2 Series User Manual Product Profile The Hermit Crab 2 series is made for fast and simple swapping of print heads on 3D printers. It has a fixed plate and multiple tool plates that let you quickly change between different print heads. -
Page 5: Specifications
BIQU Hermit Crab 2 Series User Manual Specifications Hermit Crab 2 Hermit Crab 2 CAN Firmware Support Klipper, Marlin, RRF Klipper Onboard Accelerometer LIS2DW Onboard Max31865 √ CAN Interface XT30 RP2040 Dual ARM Cortex- M0+@133MHz Material Aluminum Alloy Aluminum Alloy... -
Page 6: Dimension
BIQU Hermit Crab 2 Series User Manual Dimension Hermit Crab 2 Hermit Crab 2 CAN... -
Page 7: Peripheral Interface
BIQU Hermit Crab 2 Series User Manual Peripheral Interface Pin Description Hermit Crab 2 CAN-PIN... -
Page 8: Wiring
BIQU Hermit Crab 2 Series User Manual Wiring BLTouch Wiring... -
Page 9: Fan Voltage Selection
BIQU Hermit Crab 2 Series User Manual Fan Voltage Selection 4-Pin Fan Use jumper to select voltage for VFAN0 between 5V or 12V. 2-Pin Fans Use jumper to select voltage for VFAN1 (5V or 24V) and VFAN2 (12V or 24V). -
Page 10: Rgb Wiring
BIQU Hermit Crab 2 Series User Manual RGB Wiring... -
Page 11: Octopus Pro To Hermit Crab 2 Wiring
BIQU Hermit Crab 2 Series User Manual Octopus Pro to Hermit Crab 2 Wiring... -
Page 12: Firmware Setup
BIQU Hermit Crab 2 Series User Manual Firmware Setup （Hermit Crab 2 CAN） Flash Katapult Note: Katapult is for direct firmware updates via CAN bus. Skip this step if using DFU. To flash Katapult on Raspberry Pi or CB1, refer to the following instructions to download the Katapult project: https://github.com/Arksine/Katapult... -
Page 13: Compiling Klipper Firmware
BIQU Hermit Crab 2 Series User Manual (4) Hold down the Boot button and connect to Raspberry Pi/CB1 with a Type- C cable. This allows the chip to enter DFU mode. In the SSH terminal command line, enter to query the DFU device... -
Page 14: Firmware Update Via Katapult
BIQU Hermit Crab 2 Series User Manual (2) After configuring, enter ‘q’ to exit the configuration interface. When asked to save configuration, select ‘Yes’. Enter make to compile the firmware. When is completed, the make required firmware will be generated in the klipper.bin... -
Page 15: Firmware Update Via Dfu
BIQU Hermit Crab 2 Series User Manual using "make". Additionally, when selecting the bootloader offset in the Klipper menuconfig, use the 16KiB option since Katapult's Application start offset is 16KiB. The image below shows a successful flashing sequence Re-enter python3 flash_can.py -i can0 -q to query. -
Page 16: Can Bus Configuration
BIQU Hermit Crab 2 Series User Manual (4) After flashing, enter ls/dev/serial/by-id/ to query the device Serial ID (this ID is only available for USB communication, this step can be ignored when using CAN bus communication). (5) If using USB communication, there is no need to manually press the Boot button to enter DFU mode for subsequent updates after the first flashing is completed. -
Page 17: Configuring Klipper
BIQU Hermit Crab 2 Series User Manual If an uninitialized CAN device is detected, the above command will report the device's canbus_uuid: Found canbus_uuid=0e0d81e4210c (4) If Klipper is already running and connected to this device, the canbus_uuid will not be reported. -
Page 18: Precautions
BIQU Hermit Crab 2 Series User Manual Add the Hermit Crab configuration to the file: printer.cfg [include sample-bigtreetech-hermit-crab-2-canbus.cfg] (4) Change the USB serial or CAN UUID within the configuration file to match the actual ID of the motherboard (USB serial or canbus).
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