bigtreetech / bigtreetech/MMB

CAN bus wiring with EBB SB2209, U2C, and MMB

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Description

What is the preferred way to wire the CAN bus when you have multiple devices? In my example I have the SB2209 tool head board connected to my pi via a U2C adapter. What order should the three devices be in the bus and which ones get the 120R resistor jumpers?

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Research direction

No files or tests are named. Start with the SB2209, U2C, and MMB hardware documentation and CAN wiring diagrams; document the supported device order and which bus endpoints use 120R termination. Done means the wiring arrangement and resistor-jumper guidance answer the three-device example unambiguously.

Written by the indexing model from the issue text.

Assessment

Domain
embedded-iot
Issue type
Documentation
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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