This project uses an ESP32-S3 microcontroller running Zephyr RTOS to implement an I²C communication system where the ESP32 acts as a single master and communicates with multiple I²C slave devices: ...

Connect the I2C LCD to the Arduino Uno (VCC, GND, SDA, SCL). Use an I2C scanner sketch to confirm your LCD address (0x27, 0x3F, etc.). You can find I2C scanner codes online. After sending the request, ...

One day, [mitxela] got bored and decided to build his own HDMI monitor – the unconventional way. HDMI has a few high-speed differential pairs, but it also has an I2C interface used for detecting the ...