Setting Up CAN Bus On Your 3D Printer (U2C & EBB)

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CAN Bus is something I have wanted to dive into for almost a year now but for one reason or another always made an excuse. Well I finally sat down and it was way less straightforward than I had expected. This was primarily due to scattered instructions, different board revisions, and missing details. However, after coming out on the other side of it all I am super happy with it. I hope this video answers your questions and helps you along with your CAN Bus journey.

Resources: Maz0r GitHub should be your first stop: https://maz0r.github.io/klipper_canbus/toolhead/ebb36-42_v1.1.html

U2C reflashing file and instructions: https://github.com/Esoterical/voron_canbus/tree/main/can_adapter/BigTreeTech%20U2C%20v2.1

Bigtreetech Github: https://github.com/bigtreetech?tab=repositories

All Commands Used: dfu-util -l dfu-util -D ~/G0B1_U2C_V2.bin -a 0 -s 0x08000000:leave sudo nano /etc/network/interfaces.d/can0 auto can0 iface can0 can static bitrate 500000 up ifconfig $IFACE txqueuelen 1024 sudo reboot ip -s link show can0 ~/klippy-env/bin/python ~/klipper/scripts/canbus_query.py can0 git clone https://github.com/Arksine/CanBoot cd CanBoot make menuconfig make clean make lsusb sudo dfu-util -a 0 -D ~/CanBoot/out/canboot.bin --dfuse-address 0x08000000:force:mass-erase:leave -d 0483:df11 ~/klippy-env/bin/python ~/klipper/scripts/canbus_query.py can0 cd klipper make menuconfig make clean make python3 ~/CanBoot/scripts/flash_can.py -i can0 -f /klipper/out/klipper.bin -u MYUUID ~/klippy-env/bin/python ~/klipper/scripts/canbus_query.py can0

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Time Stamps: 0:00 - Intro 1:07 - PCBWay 1:42 - Benefits Of Toolhead Boards 3:16 - A Brief On CAN Bus 3:49 - What Is Needed? 5:29 - Configuring CAN 11:15 - Wiring, Testing, And Flashing Over CAN 12:57 - Final Steps 12:57 - Final Steps 13:45 - Conclusion

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