It’s now possible to source chip-on-board LED modules that have huge light output in a simple, easy to use package. However they can have major power requirements, and cheaper modules are also ...

Discover how to build a simple and effective external LED light for your smartphone with this hands-on tutorial. Using a ...

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 ...