Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

It goes without saying that the latest Apple Watch 11 and Apple Watch SE 3 are two of the best Apple Watches you can buy today; they are also two of the best all-around smartwatch models. I’ve already ...

Nanosensors are chemical or mechanical sensors that can be used to detect the presence of chemical species and nanoparticles, or monitor physical parameters such as temperature, on the nanoscale. They ...

Abstract: As the flow rate can vary significantly among diverse oceanic regions, it is imperative to design the flow sensors in accordance with the intended measurement flow range or resolution. In ...

Abstract: Piezoelectric micromachined ultrasound transducers (PMUTs) and a high sensitivity PMUT-based gas flowmeter were designed, fabricated and characterised. In this work a single side measurement ...

We evaluated accuracy according to skin pigmentation group by comparing SpO2 accuracy root-mean-square values to the regulatory threshold of 3% and PR 95% limits of agreement values to +5 or –5 beats ...