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.

The ESP32 is looking like an amazing chip, not the least for its price point. It combines WiFi and Bluetooth wireless capabilities with two CPU cores and a decent hardware peripheral set.

Enter the Super Tiny RP2040/ESP32 Display Development Board—a tool ... support for multiple programming environments, and features like GPIO expansion and data logging, and you’ve got a ...