Arduino | How to Scan and Detect I2C Addresses | Adafruit Learning System
How to use I2C Pins in Raspberry Pi Pico | I2C Scanner Code - Hackster.io
Austin Saint Aubin on Twitter: "Rewrote i2c scanner for Arduino, ESP8266, and ESP32. Makes use of OLED display. Works well, and is fast. Helps me to verify sensors are wired correctly and
Arduino and LCD with I2C and How to scan I2C address