1 ESP32 spectrum analyser VU meter using arduinoFFT and a FastLED matrix
Scott Marley's walkthrough is often suggested for turning audio into frequency bands on an ESP32 to drive LEDs, with useful background on the maths and sampling.
Topic
led projects
4 videos. Ranked by independent recommendations, not by views.
2 Make your own LED Sign VU Meter
Used as a project guide for an LED sign that reacts to music, though some builders found the wiring and the reasoning behind the op-amp stage hard to follow.
3 Make your own SIMPLE 5x5x5 RGB LED Cube (Part 1)
GreatScott's first part of building a 5x5x5 LED cube, widely praised as a detailed and inspiring Arduino LED project.
4 Reactive LED Coffee Table - Arduino 2
Linked as a demo of an LED project using IR distance sensors and a fade-out effect; one viewer liked it, another thought simple analogue parts would do.
