Tech Note 075 - How to connect and get I2C devices working (Arduino, ESP32, ESP8266) - YouTube
GitHub - todbot/arduino-i2c-scanner: Simple Arduino I2C scanner as described at http://todbot.com/blog/2009/11/29/i2cscanner-pde-arduino-as-i2c -bus-scanner/
Arduino | How to Scan and Detect I2C Addresses | Adafruit Learning System
Determining Unknown I2C Addresses - ProtoSupplies
Interface I2C 16x2 LCD with Arduino Uno (Just 4 wires) - Hackster.io
Arduino I2C LCD Tutorial - Circuit Geeks
I2C-Scanner :: Meine Arduino-Projekte
Arduino Slovakia - I2C tester
PCF8575 i2c 16 bit digital I/O expander – Renzo Mischianti