HomeKit Weekly: The Onvis CS2 turns a simple door sensor into multiple use cases for Apple Home

The Onvis CS2 isn't just a contact sensor. With a 120dB siren, Thread support, and climate tracking, it's a 4-in-1 security ...
Hackaday

Making A Hidden Door Status Sensor

A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...
Cars

When Should the Oxygen Sensor Be Replaced?

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...
Jalopnik

Should You Replace TPMS Sensors When You Replace Tires?

A tire pressure monitoring system (TPMS) is an auto component that helps keep you informed when tire pressure drops or rises to unsafe levels. The system works by comparing each tire to a programmed ...
SlashGear

Can You Clean A Car's O2 Sensor? (And Why You Might Need To)

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 ...
Cars

New Rochelle Chevrolet

A dealership's rating is based on all of their reviews, with more weight given to recent reviews. Includes reviews of New Rochelle Chevrolet from DealerRater. Want to share your experience with this ...
Wired

The Apple Watch Is Finally Getting Blood Oxygen Sensing Back

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, ...
AutoGuide

Are You Making This Costly Mistake with Your Car's Fuel Efficiency?

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 ...
EDN

A two-wire temperature transmitter using an RTD sensor

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...
The Providence Journal

What's the life expectancy of continuously variable automatic transmissions? | Car Doctor

Continuously variable transmissions (CVTs) can be reliable with proper maintenance, especially using the correct transmission fluid. Simultaneous illumination of brake system, ABS, and AWD warning ...
SlashGear

Is It Okay To Drive A Car With A Faulty O2 Sensor?

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...