flash

torch + screen, locked to the beat

⚠ Flashing lights. Not for anyone photosensitive.

Track Source File Tempo 136 BPM Render quality Volume 80 %

Source, tempo and quality need a new Start.

What flashes Trigger

Max flashes per second 10 Screen flash length 90 ms Screen fade 60 ms

Torch

Torch lead auto ms — fire the torch early to cover its latency Torch pulse length 120 ms Torch only on hits stronger than 0

Sync test pulses screen and torch together twice a second. Point the phone at a wall and move Torch lead until the wall and the screen light up at the same moment.

Outputs Screen flash Hardware torch (Android Chrome) Vibrate on hits Colour Floor brightness between flashes 0 %

Timing Flash offset 0 ms (+ later, − earlier) Audio output latency auto ms

Auto = what the browser reports (– ms).

Group sync GO behaviour

Clock mode: every phone that presses GO in the same 10-second window starts on the same wall-clock second.