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 ...

The live GPIO pin monitoring library sets up the ESP32 to stream information about what all of the pins are doing in real time to a webserver, which displays the information as a helpful graphic.

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 ... as a couple of UART, two I2C and two ...