An Arduino program that turns an Arduino R4 and a Sparkfun Simultaneous RFID Reader into a ZRound protocol compatible UHF RFID lap timer.
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Updated
Sep 7, 2023 - C++
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lap-timer
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Race timing system using ESP8266, MPU6050, VL53L1X, and an Expo app (live telemetry + best/last laps). Three-unit Wi-Fi lap timer: IMU-based speed + ToF start/finish, with React Native app and history.
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Updated
Aug 29, 2025 - C++
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