Abstract: With the popularity of wearable devices, verifying the user identity of wearable devices is critical for system security, especially when performing sensitive operations such as financial ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

Abstract: The demand for innovative digital grid technologies necessitates the development of high-frequency (HF) current measurement techniques, extending into the tens of MHz range, to enhance power ...

Final warning issued: O2 has released a final alert to customers using older mobile devices that rely on 3G technology. The provider, now part of Virgin Media O2, plans to complete the total ...