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.

T he ESP32 is an incredibly versatile microcontroller, and so long as you have the wires and the hardware to connect it to, ...

An ESP32-S2 runs the show, and can also stream FPV video from the same OV2640 camera used on the popular ESP32-cam modules.