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

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

This is a comprehensive Arduino library to obtain ozone (O3) concentration in the air with the Winsen MQ131 sensor. The library supports both versions of the sensor (low concentration and high ...

Compare plans tailored to your car & budget. Engine repairs aren’t cheap, but there is good news: You may not need an entirely new engine — just a repair. Even if you do need a new engine, it may be ...

First, let’s use the Slmgr command to access your license information. To do so, run the following command in CMD. The command will give you a brief description of your license information along with ...

If you’ve had your eye on a new Apple Watch Series 10, now’s the day to finally get one. Not only is it $100 off, starting at just $299 for the 42mm model, but the blood-oxygen sensor is finally ...

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 removed blood oxygen monitoring from the Apple Watch in early 2024. Somebody has to blink for it to return, and it looks like neither Masimo nor Apple are going to budge. Blood oxygen monitoring ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car experiences poor fuel economy, lacks power, feels sluggish, idles rough, or has an illuminated check ...

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, ...