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.

Open-Source Bone Conduction Hearing Aid Research

Technical overview of bone conduction headsets, openMHA-based hearing-aid research hardware, audio codecs, ASIC/ML integration, and key limitations.

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.

How HUD Head-Up Displays Work and Their Advantages

Technical overview of automotive HUD (head-up display) technology: optical projection, components, displayed data, implementation approaches, constraints and future trends.

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.

Embedded STM32 Smartwatch Implementation

Compact STM32 bare-metal project implementing a multi-level menu UI on a 0.96-inch OLED integrating DHT11, RTC, keys and LED with GPIO I2C emulation.

Smart Helmet Features and Applications

Technical overview of smart helmet technologies, covering augmented reality, head tracking, VR displays, wireless communication, HCI, and safety monitoring for engineering use.

What Smartwatches Do and Typical Battery Life

Overview of smartwatch functions and battery life: features (health tracking, notifications, GPS, apps) and factors affecting real-world battery performance.

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.

Smartwatch Blood Pressure Accuracy and Key Features

Overview of smartwatch features and uses, including health monitoring, activity tracking, notifications, and limitations of wrist-based blood pressure estimates.