My I2C is not working in Arduino. What's going on?

You may have the wrong setup! The Feather RP2040 uses Wire1 for I2C in Arduino.

This guide was first published on Mar 05, 2021. It was last updated on 2022-01-11 16:08:21 -0500.

This page (FAQ) was last updated on Jan 19, 2022.

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