# CANBus\_Query.py not returning EBB36's UUID. Setup: Pi 4, Octopus v1.1, EBB36 v1.2

**URL:** <https://klipper.discourse.group/t/canbus-query-py-not-returning-ebb36s-uuid-setup-pi-4-octopus-v1-1-ebb36-v1-2/8464>\
**Category:** General Discussion\
**Created:** [May 18, 2023, 4:10am UTC](https://klipper.discourse.group/t/canbus-query-py-not-returning-ebb36s-uuid-setup-pi-4-octopus-v1-1-ebb36-v1-2/8464 "2023-05-18T04:10:15Z")\
**Posts on this page:** 1\
**Showing post:** 32

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**Author:** ![azab2c](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/azab2c/32/5430_2.png) [@azab2c](https://klipper.discourse.group/u/azab2c)\
**Post date:** [May 25, 2023, 9:46pm UTC](https://klipper.discourse.group/t/canbus-query-py-not-returning-ebb36s-uuid-setup-pi-4-octopus-v1-1-ebb36-v1-2/8464/32 "2023-05-25T21:46:25Z")

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Nice!

fwiw I also started with MainSail OS via Raspberry PI OS installer. Then used Kiauh to install additional components/apps.

Dear reader, recommend checking out…

> [@Debian Bullseye Bug causing Klipper to no longer find the printer board](https://klipper.discourse.group/t/debian-bullseye-bug-causing-klipper-to-no-longer-find-the-printer-board/8231):
>
> Moved to [Debian 11 (Bullseye) udev bug - No board or serial found](https://klipper.discourse.group/t/debian-11-bullseye-udev-bug-no-board-or-serial-found/10711)

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