Context A while ago I decided my wall needed to react to music. The build is 512 WS2812B LEDs — eight 8×8 panels arranged as a 32×16 grid — driven by an ESP32. The design decision that shaped everything came early: the PC does all the analysis, and the ESP32 is a deliberately dumb display. The PC decodes the mp3, FFTs it into 32 frequency bands,... Weiterlesen
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Building a 512-LED wall that dances to my music: FFT, ESP32, and a custom serial protocol
Context A while ago I decided my wall needed to react to music. The build is 512 WS2812B LEDs — eight 8×8 panels arranged as a 32×16 grid — driven by an ESP32. The design decision that shaped everything came early: the PC does all the analy…
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