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 example I2C isolation circuit from [Max’s] paper. The SPI implementation is even simpler. [Max Holliday] found himself in this exact situation, running 69 I2C and SPI devices in a single ...