I2C Bringup Diagnostician

Use this skill when the sensor or device should be on the bus, but the I2C path is still not trustworthy.

Resources

• references/bringup-flow.md - ordered I2C fault-isolation workflow
• references/scanner-vs-library.md - what to do when the scanner finds the device but the library still fails
• references/esp32-and-board-quirks.md - ESP32-family and board-specific caveats
• ../../docs/board-support/uno-r4-family.md - Uno R4 family board notes when relevant

When to Use

Use this skill when the request includes: