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

University of Texas at Dallas researchers, in partnership with Texas-based biotech company EnLiSense, have demonstrated a ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did. The new iOS 26 ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

If you have an Apple Watch Series 9, 10, or Ultra Watch 2 that you bought in the US in the past year, you'll finally get the blood oxygen sensing feature back via a software update later today, ...

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...

Apple is making another attempt to appeal the trade ban that forced it to remove the blood oxygen sensor from its smartwatches, Reuters reports. The company was forced to remove the feature in 2024, ...

Cubic has successfully exhibited its latest innovations at SENSOR+TEST 2025 international trade fair, showcasing how its smart technologies and sensing solutions empower the six key application fields ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...