room: default
IDLE
Timer Admin
Pure async sync using monotonic clocks. No wall clock.
Start delay (ms)
Label
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Clients: 0 • Admins: 1
Blackout ON
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Room
default
Monotonic mapping
offset learning…
Hint
Open
/?role=client
on each device. Use
?room=yourcode
on both to isolate groups.
00:00
Keep this page visible for best accuracy. Screen is kept awake when possible.