Learn how to make a simple electric doorbell at home in this step-by-step tutorial. Using everyday materials like cardboard, a DC motor, battery, metal bowls, a clothespeg switch, and basic wiring, ...

Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

This live blog will be updated in real time as CES 2026 announcements begin. TechRepublic Get the web's best business technology news, tutorials, reviews, trends, and analysis—in your inbox. Let's ...

Samsung Electronics today unveiled its “Companion to AI Living” vision at The First Look, its CES® 2026 event held in the ...

This resource provides clear explanations of how switching regulators work and how voltage boosting is achieved efficiently in practical circuits. A Joule Thief circuit is a small, energy-efficient ...

Las Vegas, US hosted CES 2026 from January 6 to 9, bringing together more than 4,100 exhibitors and around 148,000 attendees.

Second-guessing your nail colour every time you change outfits? This AI nail polish lets you switch shades anywhere, anytime, ...

Priced at $2,695, the Peloton Cross Training Bike+ is $200 more than its predecessor started at. Considering the original Bike+ launched five years ago in 2020, the increase is expected and fairly ...

Hybrid and EV traction batteries are designed to last many years and are covered by long-term warranties, while 12-volt ...

This paper proposes a method of modeling and simulation of photovoltaic arrays. The main objective is to find the parameters of the nonlinear I-V equation by adjusting the curve at three points: open ...

It’s the metal, plastic, and wires that give the robot its shape and allow it to move around. Engineers in this field design ...

The Goodwill Store and Donation Center in Owasso, Oklahoma, is here to remind you that Andrew Jackson’s face on a bill can still work miracles if you know where to shop. This isn’t some cramped, musty ...