stardance has been extended another month! the new deadline is october 31 :)

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Duel Button

Hardware
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A low-cost ESP32-powered two-player competition buzzer that detects which player presses first, locks the opponent’s input, and provides visual and sound feedback.

I plan to start this project as a simple prototype and progressively evolve into a complete competition system that could be used in quizzes, classroom games and reaction challenges.

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