Observed arrival · 2026-10-16
SenseRing: An Open-Source Smart Ring
SenseRing is a smart-ring project that records pulse and steps, displays readings as graphs in an Android app, and publishes its hardware, firmware, and app under GPL-3.0.
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
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- For
- Open-hardware wearable builders and Android users
- Worth noticing
- The board measures 14.9 × 10 mm; the project reports about 75 hours of runtime at its default sampling cadence.
Field notes
The listed hardware pairs an nRF52832 processor with a MAX30102 optical pulse sensor and a BMA530 accelerometer. The project links to schematics, board files, printable enclosure formats, firmware, and the Android app in its repository. Its stated battery benchmark is about 75 hours at the default sampling cadence; the page also labels the device experimental and not a certified medical device.
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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