It looks to be a pretty handy board, which will be available on his Tindie store. To demonstrate the add-on, he programmed his ESP32-CAM and connected it to his enormous ping pong ball video wall.

In it, he shows an example of using all three ESP32 UARTs from an Arduino program. He calls the third port “secret” although that’s really a misnomer.

Arduino has introduced a Nano shaped board with a Wi-Fi and Bluetooth LE capable Espressif’s ESP32-S3 microcontroller, supporting it with the Arduino IDE and MicroPython. “Beginners can explore in an ...