Interfacing BMP280 with ESP8266 on I2C with errors and solutions – Circuit Schools
I2C displays don't work with LoLin NodeMcu Lua ESP8266 CH340G WIFI - Networking, Protocols, and Devices - Arduino Forum
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Austin Saint Aubin on X: "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
Tech Note 075 - How to connect and get I2C devices working (Arduino, ESP32, ESP8266) - YouTube
ESP8266 – I²C bus -
LCD I2C display not working - Displays - Arduino Forum