Strava thinks it's a commercial heart-rate strap 🫀
Milos Rasic built OpenHRStrap on our XIAO ESP32-S3 — real ECG through electrodes, Pan–Tompkins implemented from the 1985 paper, advertising as a standard BLE device so any app picks it up. Hobby project, not a medical device.
Check it out on @github 👉
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