ESP32-HUB75 Audio Visualizer Real-time Music-Reactive LED Matrix Art Engine
60+ FPS | Stunning Visual Modes | Audio-Reactive Waveforms | Smooth Cross-Fade Transitions | Dynamic Palette Shifts
Feature Description
Unique ScenesPlasma, Fire, Anime Zoom, Aurora, Forests, Oceans, Cities & moreAudio Reactive
INMP441 I2S Mic → FFT → 15+ Waveform VisualizersSmooth Transitions5-second cross-fade between modes (except Fire)Dynamic Palettes30-sec hold + 30-sec smooth color morphing No Framebuffer FlickerDouble-buffered via ESP32-HUB75-MatrixPanel-I2S-DMAMode 1: Fire3-minute clean-cut showcase with instant palette rotate
Hardware
i use Freenove Breakout Board Terminal Block Shield HAT, 5V 3.3V Power Outputs, GPIO Status LED Freenove ESP32-WROOM Wireless Board, Dual-core 32-bit 240 MHz Microcontroller
no soldered need
freenove.com
INMP441 Omnidirectional Microphone Module MEMS High Precision Low Power I2S Interface Support ESP32 Module (allready soldered)
20Pin Jumper Wire Dupont Line 20cm Male To Male+Female Wired
Visual Modes 0. Anime Plasma 9. Ocean Depths
- Flame (3 min) 10. Mystical Swamp
- Radial Glow 11. Anime Mountain Zoom
- Bio Forest 12. Floating Islands
- Classic Plasma 13. Cherry Blossom
- Goo Glow 14. Magical Forest Path
- Organic Landscape 15. Anime City Skyline
- Aurora Sky 16. Green Aurora Orion
- Volcanic Landscape
Audio Waveforms 0. Circular Wave 8. Spiral Wave
- Line Wave 9. VU Circle
- Short Wave 10. Orbit Rings
- Bar Wave 11. Heartbeat Line
- Old Bar 12. Starburst
- Neon Bars 13. DNA Helix
- Liquid Bars 14. EQ Arc
- Fire Bars
[env:esp32dev] platform = espressif32 board = esp32dev framework = arduino lib_deps = https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA FastLED
Credits
ESP32-HUB75-MatrixPanel-I2S-DMA – Display driver FFT logic Palette system based on FastLED CRGBPalette16
MIT License - Feel free to fork, modify, and share!
VID_20251114_083535.mp4
my pio wire config
#define WIDTH 64 #define HEIGHT 64
#define PANEL_CHAIN 1 one panel
// I2S configuration #define I2S_WS 16
#define I2S_SD 9
#define I2S_SCK 14
#define I2S_PORT I2S_NUM_0
// HUB75 cable wiring #define gpior1 17
#define gpiob1 8
#define gpior2 3
#define gpiob2 10
#define gpioa 15
#define gpioc 7
#define gpioclk 5
#define gpiooe 12
#define gpiog1 18
#define gpiog2 2
#define gpioe 13
#define gpiob 11
#define gpiod 4
#define gpiolat 6