This is I2C scanner such as the one from "i2c/scanner", but for the as of today (Nov'24) so called new I2C driver. The project takes as baseline the ESP-IDF's hello ...

// As version 4, but address scans now to 127. // A sensor seems to use address 120. // Version 6, November 27, 2015. // Added waiting for the Leonardo serial communication.

A lot of great ICs use I2C to communicate, but debugging a non-working I2C setup can be opaque, especially if you’re just getting started with the protocol/bus. An I2C bus scanner can be a helpful ...