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Diagnose an I2C bus bring-up v1.0.0

Use this resource to diagnose an I2C bring-up that does not work

New

  • 582 downloads
  • 139 likes
  • 147 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install i2c-bus-bringup-diagnosis

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent isolates faults step by step: no device found, address conflicts, weak pull-ups, a scanner that finds the chip while the library fails, and ESP32 and Uno R4 board quirks. You get an ordered diagnostic path.

Mostly picked by

Updated November 2, 2026

Card for the “Diagnose an I2C bus bring-up” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

Similar resources

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What you get

  • SKILL.md: when to use it, workflow and core rules
  • references/: isolation sequence, scanner versus library and board-specific notes

Good fit for

  • The I2C scanner finds no device at all
  • The scanner sees the sensor but the library returns wrong values

Not for

    Tags

    • i2c
    • bus
    • sensor
    • esp32

    About

    You say

    “My I2C sensor does not show up in the scanner on an ESP32: walk me through isolating the fault in order.”

    Card for the “Diagnose an I2C bus bring-up” skill

    Skill published by wedsamuel1230 under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to diagnose an I2C bring-up that does not work
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/bringup-flow.md0.9 KB
    • references/esp32-and-board-quirks.md0.9 KB
    • references/scanner-vs-library.md1 KB
    • SKILL.md3.2 KB

    Origin and licence

    Listed unmodified

    Author
    wedsamuel1230
    Source
    github.com/wedsamuel1230/embedded-engineering-skills/tree/869710ec3b9a40a4f14615b68ca1f1d3dfc88323/skills/i2c-bringup-diagnostician
    Licence
    MIT

    Notice

    « i2c-bringup-diagnostician » (wedsamuel1230, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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