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.

Four Types of Wearable Noninvasive Glucose Sensors

Review of wearable noninvasive glucose sensors for diabetes management, covering ISF, sweat, tear and saliva sensing, device challenges in safety, power, and data reliability.

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.

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.

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.

Flexible Multimodal Pulse Sensor for Continuous BP

Flexible multimodal pulse sensor using skin pressure-thermal effect for continuous blood pressure monitoring, integrating pulse pressure, skin temperature and wearing pressure.

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.

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.

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.

Flexible Wireless Power for Wearable Electronics

Flexible wireless power using graphene-based electrostatic coupling enables 100 mW transfer over 20 cm for wearable electronics and flexible energy storage.

Temperature Sensors in Wearable Devices

Technical overview of temperature sensors for wearables: challenges, contact measurement, thermal-path optimization, and specs for accurate body-temperature monitoring.

Wearable Sensor Market and Development Roadmap

Technical overview of wearable sensors, covering motion, optical, electrode and chemical sensor types, detectable biomarkers, use cases and market forecast for developers.

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.

Wearable Ultrasound Sensor for Real-Time Cardiac Assessment

UC San Diego wearable ultrasound imager enables real?time cardiac function monitoring and LV imaging during motion, providing continuous clinical?grade assessment

Design Review: 192-LED Smartwatch

Prototype hybrid LED smartwatch using ESP32 PICO D4 and IS31FL3733 to drive 192 concentric LEDs, with Wi-Fi, Bluetooth, ESP-NOW mesh, RTC and modular daughterboard.

Rapoo VT350S Mouse and VH800 Headset Review

Technical overview of Rapoo VT350S and VH800: dual-mode wireless gaming mouse (PAW3370, Omron switches) and dual-chamber over-ear headset with graphene drivers.

DIY Smartwatch: Step-by-Step Guide

RetroWatch DIY guide to build an Android-connected smartwatch using Arduino and Bluetooth. Covers wiring, library setup, code upload and Android app configuration.

Wearable Devices: Current Status and Future Trends

Overview of wearables market growth, device categories and trends—smartwatches, smart glasses, smart clothing—and implications for sensors, connectivity and health monitoring

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.