➀ TI's TIDA-00556 reference design implements a compact "ship mode" using the TPS22916B load switch to minimize battery drain during storage/shipping for wearables;
➁ The solution achieves ultra-low shutdown current (10nA), a 1.89mm² footprint, and 60mΩ MOSFET resistance, ideal for space-constrained devices;
➂ By cutting off power via emulated GPIO signals, it extends battery shelf life and supports operation across 2.7V-4.35V input ranges for wearables like smartwatches and medical devices.
➀ OnePlus is launching the Buds 4 in the US and Canada, featuring dual drivers, dual DACs, and LHDC 5.0 support.
➁ The Buds 4 offers 47ms ultra-low latency in Game Mode, active noise cancellation, and an IP55 rating.
➂ Battery life is up to 44 hours with ANC off, and 22 hours with ANC on.
➃ The smaller Watch 3 in 43mm size offers similar features to the 46.6mm model, with up to five days of battery life in smart mode.
➀ Researchers developed a smart contact lens that monitors intraocular pressure (IOP) and eye movement (EM) in real-time, even with closed eyes, using capacitive and magnetic sensors;
➁ The lens achieves 97% accuracy in EM detection and detects pressure changes as small as 1 mmHg, enabling early diagnosis of glaucoma and neurodegenerative diseases;
➂ Wireless data transmission via glasses-mounted devices supports at-home health monitoring and telemedicine, with potential integration of drug delivery systems in future iterations.
➀ Researchers at DGIST developed an AI-powered ultra-thin "electronic nose" sensor using laser-processed graphene and cerium oxide, mimicking human olfactory combinatorial coding;
➁ The flexible sensor array achieves over 95% accuracy in identifying perfumes and cosmetics, with potential applications in healthcare, environmental monitoring, and fragrance industries;
➂ The one-step fabrication method enables bendable, wearable integration while maintaining performance through 30,000+ bending cycles.
➀ This article introduces a world's smallest open-source LoRa + GPS module designed specifically for wearables and IoT applications, measuring only 3 cm in diameter.
➁ The module combines the Quectel L86-M33 GPS chip for precise tracking and the Ai-Thinker RA-02 LoRa module for long-range communication in a compact form factor.
➂ The design is fully open-source, allowing users to modify and utilize the module for personal or commercial projects without restrictions, with additional free usage when paired with the IndusBoardCoin.
➀ JAE has introduced WP11 and WP12 Series connectors, designed for small devices like smartphones and wearables, featuring a 0.4 mm pitch and 0.7 mm stacking height, supporting up to 15A of current.
➁ The WP11 Series provides 1.25 times the current compared to the WP10 Series with enhanced robustness, while the WP12 Series offers a more compact design with a higher retention force.
➂ Key features include improved workability, high reliability with two-point contact, and a seamless guide structure for durability and smooth mating.
➀ Taoglas has introduced active, multi-band GNSS antennas optimized for GPS, Galileo, GLONASS, and BeiDou;
➁ These antennas improve signal acquisition and lock in urban areas;
➂ They offer integral redundancy and reduced energy consumption.
