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Sensors
This hardware thread follows sensors through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗13 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Recent sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
Flexible Insole with Soft, Integrated, Polymeric Pressure Sensors to Discriminate Different Types of Gaits Using Machine Learning Techniques ↗
Wearable sensors offer promising solutions for continuous gait monitoring in healthcare, rehabilitation, and sports. In this paper, a novel, soft, flexible, and easily made wearable sensor to detect the pressure generated by human gait was developed. The sensor consists of a soft polyurethane foam functionalized with a PEDOT:PSS aqueous solution designed to integrate the active material and develop a piezoresistive device. Eight soft sensors have been integrated into an insole, with dedicated readout electronic circuitry, including an accelerometer, a gyroscope, and a Bluetooth communication t…
- OpenAlex · Published · First archived
Hydrogel and Organogel-Based Flexible Wearable Sensors: Synthesis, Sensing Mechanisms, Performance Optimization, and Applications ↗
Hydrogel-based flexible sensors have emerged as a promising platform at the intersection of materials science, flexible electronics, and biomedical engineering, owing to their tissue-like mechanical compliance, tunable ionic conductivity, and versatile chemical functionalizability. To translate laboratory-scale hydrogel devices into durable, reliable wearable systems, this review critically summarizes recent progress in functional hydrogels and organogels, covering literature reported up to September 2026, and organizes the discussion along the complete chain from material synthesis and charac…
- OpenAlex · Published · First archived
Dual-stream attention and feature fusion for human activity recognition via wearable sensors ↗
Abstract Multi-sensor-based human activity recognition (HAR) has attracted considerable attention in recent years. Despite significant advancements achieved through deep learning, extracting refined and subtle features from multiple sensors placed on different parts of the body remains a challenge. Accurate sensor modality attention and temporal information processing are crucial for enhancing model performance. In this paper, we propose a new Temporal and Sensor-Modality Attention with Feature Fusion Network (TSFF). TSFF consists of two modules: the Temporal and Sensor Modality Attention bloc…
- OpenAlex · Published · First archived
Bio-inspired flexible pressure sensors: morphology-guided structure–function relationships, reliability, and future perspectives ↗
Bio-inspired flexible pressure sensors have emerged as a major class of soft sensing systems for wearable electronics, electronic skin, human–machine interfaces, and soft robotics because biological structures provide effective design principles for regulating deformation, contact evolution, and interfacial adaptation. However, the field remains difficult to compare critically because reported performance is often discussed through isolated sensitivity values, while the structural origins of signal generation, the pressure-regime dependence of response, and the reliability limits of the underl…
- OpenAlex · Published · First archived
Dust Contamination and Environmental Cofactor Effects on Flexible Sensors and Antennas: A Review ↗
Flexible sensors and antennas are increasingly deployed in wearable health monitoring, environmental sensing, and RFID technology, yet their reliability under environmental exposure remains insufficiently addressed. This review synthesizes the literature on the environmental degradation of flexible sensors and antennas, with particulate-induced degradation as the primary stressor and humidity and temperature treated as cofactors; additional mechanisms such as flexural fatigue and UV-induced photodegradation are briefly addressed but beyond the scope. Across the literature, dust-induced degrada…
- OpenAlex · Published · First archived
Structured Sensors With Tunable Sensing Properties ↗
ABSTRACT Pressure sensors are essential components in intelligent systems for applications in robotics, wearable electronics, and human–machine interfaces. Although pressure sensing originates from mechanically induced electrical changes under applied pressure, the mechanical–electrical relationship remains insufficiently understood and lacks a rigorous quantitative framework, limiting their predictive design and optimization. Here, we introduce an innovative structured‐sensor concept that integrates sensing and energy absorption and establish a corresponding mechanical–electrical coupling fra…
- OpenAlex · Published · First archived
III-Nitride Nanowire-Based Gas Sensors: From Material Design to Low-Temperature Sensing Performance ↗
III-nitride nanowires (NWs), including gallium nitride (GaN) and its alloys, possess tunable direct band gaps, high electron mobility, and large breakdown voltages, making them highly promising for electronic and optoelectronic applications. In addition, their wide bandgap, efficient charge transport, mechanical robustness, and compatibility with CMOS technology make them strong candidates for high-performance sensing platforms. A gas sensor must meet certain qualities, such as low-temperature operation and high selectivity toward a particular gas, to prevent false signals caused by interferen…
- OpenAlex · Published · First archived
High-density optical quantum sensors with pulsed probe read-out for correlated spin-noise reduction ↗
Abstract Optical quantum sensors based on alkali-metal atoms enable highly sensitive magnetic-field measurements in warm vapor. Their performance can become limited by intrinsic spin noise once technical noise sources are sufficiently suppressed. Characterizing temporal spin correlations is therefore important both for optimizing sensor sensitivity and for investigating quantum-enhanced sensing protocols. Here we investigate correlated spin fluctuations in a radio-frequency optical quantum sensor based on a high-density potassium vapor cell using pulsed probe readout. Orthogonal pump and probe…
- OpenAlex · Published · First archived
Machine learning driven replication free storage optimization for wearable healthcare sensors ↗
Wearable sensors (WS) are becoming an important tool for detecting and monitoring physical changes in humans, which, together with improved diagnostic techniques and clinical procedures, represents an important development in the clinical field. The information obtained from these sensors is dynamic and dependent on human activities, making efficient storage crucial for subsequent analysis. However, if data quality management is not properly handled, strategic process failures can reach up to 40%. At the same time, scalability concerns can make it difficult to scale data processing without aff…
- OpenAlex · Published · First archived
A hydrogel based on the synergistic effect of layered hydroxides and hydroxyethyl cellulose for flexible strain sensors ↗
As a core functional component in wearable electronics and intelligent human-computer interaction, flexible hydrogel sensors have become a prominent research hotspot in the field of flexible electronics. However, conventional hydrogels generally suffer from critical limitations such as insufficient mechanical strength and poor sensing stability, which make them difficult to satisfy practical requirements under high-strain scenarios. In this work, a synergistic strategy of flexible chain interpenetration and inorganic node crosslinking is proposed to fabricate a composite hydrogel (PHMAL x). Hy…
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How to assess evidence about Sensors
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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