PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

Those who have recently departed O2 or attempted to do so have received an important warning. Money Saving Expert (MSE) reports the telecommunications firm has incorrectly added several hundred pounds ...

O2 customers are being urged to scrutinise their recent bills after Martin Lewis warned they could have been unfairly stung with hundreds of pounds in charges. The dispute erupted when O2 announced it ...

O2 customers have been alerted that time is running out if they wish to avoid a £2.50 monthly increase. People are being urged to watch out for a notification from the mobile phone provider which been ...

The camshaft position sensor is an essential component of your car’s engine management system. It monitors the position and speed of the camshaft and sends this data to the engine control unit (ECU), ...

You can test ketone levels at home using a urine dipstick or a blood ketone meter. If you have diabetes, check for ketones when your blood sugar is high or when you're sick. Talk with your healthcare ...

The sensor does not require wearables or cameras. Credit: Chinnapong / Shutterstock.com. US-based Smart Meter has introduced iAmbientHealth, an ambient sensor that ...

For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP From Arduino IDE, select menu Sketch -> Include Library -> ...

Accelerate your tech game Paid Content How the New Space Race Will Drive Innovation How the metaverse will change the future of work and society Managing the ...

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 ...

The U.S. Space Force expects to launch the eighth X-37B mission no earlier than Aug. 21. Credit: U.S. Space Force The U.S. Space Force plans to use its X-37B orbital test vehicle to conduct ...

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 ...