phone-flashlight

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AndriiShramko / crowd-light-show

Turn a crowd's phones into one synchronized light show, in time with the music. Open-source web app: scan a QR, the whole audience flashes together. Concerts, clubs, stadiums, parties.

nodejs open-source real-time websocket qr-code web-audio party concert clock-synchronization stadium light-show audience-engagement screen-flash crowd-light-show phone-flashlight light-sync

Updated Aug 29, 2026
JavaScript

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