A privacy-first, subscription-free health tracker for affordable wearables.
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Updated
Jul 16, 2026 - Swift
A privacy-first, subscription-free health tracker for affordable wearables.
Reverse engineering smart ring protocols
An open-source smart interactive ring based on ESP32-C3 featuring trackball input, air mouse, IMU gesture recognition, BLE HID, low-power sleep, and BLE OTA updates, designed as an ultimate wearable controller for AR/VR/MR glasses, tablets, PCs, and beyond.
Read information via Python from Colmi Smart Ring
A thumb-worn multimodal smart ring, callled "mRing", is designed to support mid-air interactions with Computers/TV/Phone/AI/Robots, leveraging micro touch gestures between thumb and other 4 fingers
ZephyrRTOS BLE firmware for the Ring•One industrial smart ring — Nordic nRF54L15 · nRF Connect SDK v3.3.0 · by Dotstar Consulting
Companion Android app for Ring•One smart ring · Nordic nRF54L15 · ZephyrRTOS
The open platform for smart rings.
Libraries for a Liberated smart ring with sensors and Display (SR08)
A desktop balance-maze played with your Oura ring.
Repository contains app on Toit programming language running on an ESP32-S3, enables continuous measurement of medical parameters using COLMI R09 or R12 smart rings. The app continuously monitors the smart ring's availability and, if the connection is lost, attempts to reconnect to the device and resume measurements.
🌅 A custom-built Oura: sleep, recovery & activity scores from a COLMI R09 smart ring. Fully offline, no cloud, no subscription. Kotlin + Jetpack Compose.
Oura Ring APIs.json profile
Home Assistant integration and Fitorb Mobile Relay for Fitorb/Colmi-compatible smart rings.
Forensic privacy-audit toolkit used by AINode on every wearable in the 2026 audit corpus. Methodology + schemas + open CC-BY dataset.
Real-time heart rate OBS overlay via Bluetooth smart ring
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