wellue

Python script to read sensor values over BLE from Viatom ring oxygen monitors

Reverse-engineered BLE protocol reference for the Wellue O2Ring-S (T8520), with a working Python reference implementation.

Reverse-engineered Bluetooth Low Energy protocol documentation for the Wellue O2Ring pulse oximeter

Process O2 output from Viatom ViHealth app

Local-first physiological analyzers — oximetry, HRV, CGM, ECG . No network, no CDNs, no accounts.

Command-line analyzer for Wellue O2Ring overnight pulse-oximetry CSV exports: SpO2 statistics, ODI (3%/4%), desaturation events, nadir, and CSV/JSON/Excel reports. Supported by Night Time Comfort.

Download Lookee / Viatom / Wellue O2Ring sleep-oximeter recordings directly over Bluetooth LE, store them in MySQL, and get research-based overnight SpO₂ reports, trends and insights — no phone app or cloud. Includes the reverse-engineered BLE protocol.

Standalone BLE daemon for the Viatom/Wellue O2Ring pulse oximeter family

Python BLE client for Viatom/Wellue oxy-family pulse oximeters (O2Ring, O2 Max, KidsO2, CMRing, and more)