This Arduino based Water Level Detection and Alert System designed to reduce water wastage, prevent overflow, and improve ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

After six months of work, we finally finished our full-scale remote control tank — and the chaos started instantly. The first test destroyed tools, smashed a door frame, and left a gun safe wedged in ...

The scientific community cannot always agree on how much water a person needs in a day, and since we are not Fremen, we should give it more thought than we do. For many people, remembering to take a ...

This product is courtesy of It was super easy to make this mobile tracked platform and radio-controlled useful for building robots and other systems. It uses Arduino to run the logic to control it ...

For industries that run on diesel, gasoline, or propane, fuel is more than just a line item. It’s the backbone of daily operations. When supply runs short, the ripple effects are immediate: stalled ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Brent Butterworth Brent Butterworth is a writer dedicated to audio gear. He has been ...

Bitcoin, the world’s most actively traded cryptocurrency, has endured a punishing November, posting its steepest monthly decline in more than three years and sinking to a seven-month low. Market ...

Music doesn’t have to stay tethered to a plug anymore. Portable Bluetooth speakers make it easy to bring your playlists anywhere, from backyard gatherings to road trips and everything in between. The ...

AirTags and other Bluetooth trackers can be a lifesaver when you've accidentally lost your keys, purse, or even your luggage. Although they're commonly called Bluetooth trackers, AirTags and other ...

November 26, 2025: Nothing's changed with the best way to connect a PS4 controller to PC, as you'd expect since it's an older console. It's still a great pad, but if yours is losing some rubber on the ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...