Some ESP32 boards become community favourites because they're small, cheap, or easy to flash. The ESP32-A1S (known also as the "AI Thinker") became popular for a different reason: it promised an audio ...
Regular Christmas trees don’t emit light, nor do they react to music. If you want both things in a holiday decoration, consider this build from [dbmaking].  An ESP32-D1 mini runs the show ...