⚡ Full-stack Quiz Bowl Buzzer System — ESP32 firmware for 10-participant hardware buzzers + React/TypeScript web app with live countdown, real-time leaderboard, podium scoring, and full branding customization. Connected via WiFi REST API & SSE.
react iot arduino typescript websocket esp32 sse platformio tailwindcss quiz-buzzer-system quizcompetition
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Updated
Feb 16, 2026 - TypeScript