Normally, you wouldn’t be able to do that without extra parts, but on the ESP32, [BastelBaus] has found a nice hack — just connect your devices to different pins and slightly abuse the ESP32 ...

Along the way, we stumbled on an Easter egg: the ESP32 processor has a built ... verifies that no data is going across this pin at bootup, and the SPI lines for the flash aren’t even broken ...

We made something similar but using the RP2350A board, the Raspberry Pi Pico 2, and published a guide on how to get Wi-Fi on the Pico 2 using an ESP32 ... with more GPIO pins than the RP2350A ...