A minimal bare-metal C project for scanning I2C devices using an ATmega328P microcontroller. This project directly accesses AVR hardware registers (no Arduino libraries) and prints found I2C addresses ...

Using hardware I2C on an ESP32? Do you need to connect multiple I2C devices with the same address? Normally, you wouldn’t be able to do that without extra parts, but on the ESP32, [BastelBaus] has ...

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If you’ve ever been laying out a network I2C devices inside a project box or throughout your robot’s body, you’ll probably know that I2C is not without its pitfalls. But for many of those pitfalls, ...