τ-Ring: A Smart Ring Platform for Multimodal Physiological and Behavioral Sensing

Fuente: arXiv
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Autori principali: Tang, Jiankai, He, Zhe, Zhang, Mingyu, Geng, Wei, Zhou, Chengchi, Shi, Weinan, Shi, Yuanchun, Wang, Yuntao
Natura: Preprint
Pubblicazione: 2025
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author Tang, Jiankai
He, Zhe
Zhang, Mingyu
Geng, Wei
Zhou, Chengchi
Shi, Weinan
Shi, Yuanchun
Wang, Yuntao
author_facet Tang, Jiankai
He, Zhe
Zhang, Mingyu
Geng, Wei
Zhou, Chengchi
Shi, Weinan
Shi, Yuanchun
Wang, Yuntao
contents Smart rings have emerged as uniquely convenient devices for continuous physiological and behavioral sensing, offering unobtrusive, constant access to metrics such as heart rate, motion, and skin temperature. Yet most commercial solutions remain proprietary, hindering reproducibility and slowing innovation in wearable research. We introduce τ-Ring, a commercial-ready platform that bridges this gap through: (i) accessible hardware combining time-synchronized multi-channel PPG, 6-axis IMU, temperature sensing, NFC, and on-board storage; (ii) adjustable firmware that lets researchers rapidly reconfigure sampling rates, power modes, and wireless protocols; and (iii) a fully open-source Android software suite that supports both real-time streaming and 8-hour offline logging. Together, these features enable out-of-the-box, reproducible acquisition of rich physiological and behavioral datasets, accelerating prototyping and standardizing experimentation. We validate the platform with demonstration studies in heart-rate monitoring and ring-based handwriting recognition. Source code is available at GitHub: https://github.com/thuhci/OpenRing.
format Preprint
id arxiv_https___arxiv_org_abs_2508_00778
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle τ-Ring: A Smart Ring Platform for Multimodal Physiological and Behavioral Sensing
Tang, Jiankai
He, Zhe
Zhang, Mingyu
Geng, Wei
Zhou, Chengchi
Shi, Weinan
Shi, Yuanchun
Wang, Yuntao
Computational Engineering, Finance, and Science
Smart rings have emerged as uniquely convenient devices for continuous physiological and behavioral sensing, offering unobtrusive, constant access to metrics such as heart rate, motion, and skin temperature. Yet most commercial solutions remain proprietary, hindering reproducibility and slowing innovation in wearable research. We introduce τ-Ring, a commercial-ready platform that bridges this gap through: (i) accessible hardware combining time-synchronized multi-channel PPG, 6-axis IMU, temperature sensing, NFC, and on-board storage; (ii) adjustable firmware that lets researchers rapidly reconfigure sampling rates, power modes, and wireless protocols; and (iii) a fully open-source Android software suite that supports both real-time streaming and 8-hour offline logging. Together, these features enable out-of-the-box, reproducible acquisition of rich physiological and behavioral datasets, accelerating prototyping and standardizing experimentation. We validate the platform with demonstration studies in heart-rate monitoring and ring-based handwriting recognition. Source code is available at GitHub: https://github.com/thuhci/OpenRing.
title τ-Ring: A Smart Ring Platform for Multimodal Physiological and Behavioral Sensing
topic Computational Engineering, Finance, and Science
url https://arxiv.org/abs/2508.00778