An unofficial Flutter companion app for Colmi R12 and other Rxx smart rings. Monitor live vitals and sync health data via Bluetooth LE.
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Updated
Feb 25, 2026 - Dart
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yawell
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Your own app for cheap generic smart rings (Anko / Kmart AU, Colmi, Yawell) — sleep, heart rate, steps, SpO2 and HRV over Web Bluetooth. No vendor account, no subscription, local-first.
react typescript pwa reverse-engineering self-hosted web-bluetooth ble heart-rate bluetooth-low-energy anko spo2 fitness-tracker kmart health-tracking qring sleep-tracking colmi smart-ring yawell jring
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Updated
Sep 15, 2026 - TypeScript
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