The ESP32 is one of the best microcontrollers on the market for building low-power sensors. By connecting a microphone (and sometimes a few additional components), the ESP32 can react to sound in some ...
Students [Berk Gokmen] and [Justin Green] developed an RP2040-based LED-illuminated lightsaber as a final project with a bit of a twist. It has two unusual sound-reactive modes: disco mode, and vowel ...
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