Discover how to build a simple and effective external LED light for your smartphone with this hands-on tutorial. Using a 3.5mm audio jack from old wired earphones and a small LED, create a practical ...

This year, we not only challenged Supercon attendees to come up with their own Simple Add-Ons (SAOs) for the badge, but to push the envelope on how the modular bits of flair work. Historically, most ...

Discover three creative DIY projects using everyday household items in this tutorial. Learn how to make a pen LED flashlight, a battery-powered electromagnet, and a simple smartphone stylus with easy- ...

You won’t find [Antoine] stumbling around in the dark. He just finished working on this LED flashlight which draws power from a super-capacitor (translated). He ...