Back spoke wheel

Bass follower — tap to enable mic. Kicks drive the pulse.

Tap to enable mic Required on iPhone — then allow microphone access

Color

Back pattern

Spokes · Concentric · Star · Spiral · Filled · Petal · Pairs · Transition cycles the checked looks below (default: Concentric pulse → Filled → Star) — hard cut, no fade. Use ▲▼ to set order.

Back spin

Favourite with Concentric: rotation follows the bass (spin speed = how hard). Clearest in Cycle. 100% = all spokes lit.

Spin speed 30%

Fixed colour 200°

Hue slider or colour picker

Front pattern

All run on the continuous inverted-U edge. Use Edge speed below to compare.

Brightness

Brightness 60%

Speed per side

Back and Edge each have their own speed.

Back 35%

Edge speed 35%

Bass follower

Mic = beat onsets via LED-clock envelope + AGC (no FFT); mid band steps the colour. Demo beat = fake ~118 BPM. Groove lock On = stay on the beat grid between kicks.

Groove lock

Mic input (grey) · kick pulse (cyan)

Mic off

View

HTTPS or localhost required for mic. Full-bleed LED preview (no jacket silhouette).
Build 2026-08-29 · LED clock time-domain mic + groove lock.