🌈 14 LED Effects

Fourteen effects. Zero configuration.

Rainbow, Chase, Fire, Comet, Twinkle, Strobe, Wipe, Scanner, Sparkle, Gradient — each with customizable speed, color, direction, and per-pixel spatial rendering. Multiple ESP32 nodes each run up to 8 independent WS2812B strips simultaneously.

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What you get

14 effect types with full parameter control
Per-pixel rendering in the emulator preview
Speed normalization by LED density
Bi-directional string support (folded strips)
WS2812B, WS2811, APA102 LED types
Up to 8 strings per ESP32 on independent GPIO pins

Screenshots

ESP32 string configuration with GPIO pins

Ready to try it?

Download SlyLED free. MIT licence. No subscription, no account, no cloud.

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