This led lamp circuit can be used as a mini led flashlight. Together with a 1.2 V rechargeable battery, all the components fit into a small enclosure. This is actually a DC to DC converter that ...

While your smartphone’s flashlight technically does the job—and is always within reach—its performance pales in comparison to a dedicated flashlight. A pocket flashlight combines the best of both ...

YSMART is a lightweight LED mini flashlight available in a variety of different materials including copper or titanium and has been specifically designed to be an everyday carry (EDC) flashlight you ...

Let’s peel the marketing stickers off and talk like curious engineers for a minute. Because QLED, OLED, and Mini-LED aren’t ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. It’s no secret that camping and hiking require a lot of ...