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 ...

Do you have a GE Refrigerator that won't cool at all, or just isn't getting cool enough? Many times, people think they need to figure out how to add freon to a refrigerator, but many times, its a fix ...

Automatic gratuity isn’t a scam — it’s the system that keeps servers from losing money while doing their jobs. Darron Cardosa is a food service professional with over 30 years of restaurant experience ...

Katelyn is a writer with CNET covering artificial intelligence, including chatbots, image and video generators. Her work explores how new AI technology is infiltrating our lives, shaping the content ...

You can run a report to check battery health in Windows 11. This report provides details on capacity, cycle counts, and more. If your battery is nearing the end of its life, it can be replaced. Have ...

If people-watching were an Olympic sport, I’d be on the podium as a travel writer who has been to 70-plus countries. While I primarily observe the locals, I can’t help but notice the common mistakes ...