smart-ring

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

Wozai — a relationship-centered life-record and entrustment project for the Hong Kong Physical AI Hackathon, combining grounded AI, Alloop HRV, wearable inputs, and human feedback.

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

Reverse-engineering the Colmi R02 smart ring: byte-patched firmware, a measured 352Hz accelerometer ceiling, and a ring-based typing decoder.

Ultrahuman makes the Ring AIR and Ring Pro smart rings and the M1 continuous glucose monitor (CGM), a subscription-free metabolic-health wearable ecosystem. Its Partner (UltraSignal) API lets approved partners read user-consented health metrics - sleep, HRV, resting heart rate, skin temperature, SpO2, movement/recovery indexes, VO2 max, and (with…

Cloud-free Home Assistant integration for $10 Lefun-protocol BLE smart rings + fused-presence follow-me lighting

Companion Android app for Ring•One smart ring · Nordic nRF54L15 · ZephyrRTOS

Ring.Glass R1 source code — a premium smart ring for smart glasses control, device unlocking, and comprehensive health monitoring. Visit https://ring.glass

Local-first Android companion for Tsinghua's Tau-Ring smart ring

ZephyrRTOS BLE firmware for the Ring•One industrial smart ring — Nordic nRF54L15 · nRF Connect SDK v3.3.0 · by Dotstar Consulting

Libraries for a Liberated smart ring with sensors and Display (SR08)

The open platform for smart rings.

🌅 A custom-built Oura: sleep, recovery & activity scores from a COLMI R09 smart ring. Fully offline, no cloud, no subscription. Kotlin + Jetpack Compose.

原生 macOS (SwiftUI) 第三方客户端，连接 Moyoung Da Rings 智能戒指 — 非官方、净室逆向实现

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.

A desktop balance-maze played with your Oura ring.