Key Challenges for Smart Wearables

Technical overview of smart wearables and battery innovations, covering interaction design, data reliability, touch interfaces, and tradeoffs for anticipatory services.

Flexible Wearable Sensors: Current Status and Challenges

Review of flexible wearable sensors covering pressure, temperature, humidity and optical devices, MXene-based materials, TFT sensor arrays, fabrication challenges and trends.

Tech Devices Moving From Outside to Inside the Body

Overview of nine emerging implantable technologies, including brain-computer interfaces, smart dust and biodegradable bio-batteries, with clinical and privacy implications.

Wireless Charging for Wearables with STWLC38

Technical overview of STWLC38 wireless power receiver for wearables, covering Qi certification, FOD and ARC features, reference designs and development resources.

Multimodal Wearable Sensor Patch for Continuous Plant Monitoring

Multimodal wearable sensor patch for continuous plant physiology monitoring detects leaf VOCs, temperature and humidity; PCA-based ML enables earlier disease and stress detection.

Wearable Photoacoustic Patch for Clinical Monitoring and Research

UC San Diego developed a wearable photoacoustic patch for noninvasive hemoglobin imaging and vasculature mapping, using VCSEL arrays and piezoelectric ultrasound transducers.

Wearable Sweat Sensors: Benefits and Applications

Review of wearable electrochemical sweat sensors summarizing analytes, sampling and collection methods, sensor and power system design, integration, and challenges for clinical use.

Design Principles for Wearable Temperature Monitoring

Design considerations for wearable temperature patches to meet ASTM ±0.1°C accuracy: sensor selection, thermal contact and isolation, PCB layout and power placement.

YOBYBO Card20 Pro True Wireless Earbuds Teardown

YOBYBO Card20 Pro teardown and overview of the slim aluminum TWS earbuds, internal components, battery and connectivity.

Quartz Crystal Oscillators for Wearable Devices

Technical overview of crystal oscillators for wearables, covering frequency, package, low-power and vibration requirements, plus a smartwatch nRF52840 reference design.

Do head-mounted displays harm your eyes? Pros and cons

Overview of head-mounted displays (HMDs): design, display and tracking technologies, interaction and audio, use cases, eye-health risks, pros and cons for VR/AR applications.

Smartwatch and Patch Using a Piezoelectric Blood Pressure Sensor

KAIST-developed wearable piezoelectric blood pressure sensor validated in clinical trials, meeting accuracy standards and integrated into smartwatch and patch prototypes.

Flexible Electronic Skin: Applications and Pros/Cons

Overview of flexible electronic skin: bendable, stretchable sensors for biomedical monitoring, wearables, robotics, VR; advantages, limitations and integration challenges.

MR Headset Features and MRI Imaging Principles

Overview of mixed reality (MR) headsets — origins, tracking and interaction capabilities — plus fundamentals of magnetic resonance imaging (MRI) signal processing, reconstruction.

Electronic Skin: Overview and Wearable E-Skin Operation

Overview of electronic skin (e-skin) architecture and operation: flexible substrates, integrated sensors, power, data processing and communication for wearable applications.

Wearable Ultrasound Patch for Transdermal Delivery

MIT-developed wearable ultrasound patch uses piezoelectric discs in PDMS to create microjets and transient microchannels, enhancing transdermal drug delivery and penetration depth.

Flexible Wearable Optical Wireless Sensor for Fruit Quality

Flexible wearable optical wireless sensing (FWOS) system using laser-patterned PET/PI/Cu circuits and AS7263 NIR sensors for real-time fruit quality monitoring via Bluetooth.

Dyson Air-Purifying Headphones: Motor Control Analysis

Teardown of Dyson Zone air-purifying headphones detailing ANC integration, motor and filtration design, key ICs (BES2300, LPC5528) and the DRV10975 motor driver.

Skin-like Conductive Fibers for Multifunctional Sensing

Silk fibroin–MXene conductive fibers (Ca@MSNFs) enabling stretchable, repairable, antifreeze and degradable wearable humidity and strain sensors for health monitoring.

Wearable Interactive Camera Based on V853

Design of a wearable smart camera using Allwinner V853 NPU for real-time image detection, gesture recognition and IoT connectivity; MIPI camera, DDR3, eMMC, Wi?Fi/Bluetooth.