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] h ...

The trick is in using a shift register to convert a single ESP32 pin into five outputs. Using sixteen GPIO pins, with each connected to a HC595 shift register, and all of them connected to the ...