The flashlight app on your smartphone might work in a pinch, but when you really need a reliable light source, nothing beats a dedicated flashlight. A far cry from the weak incandescent versions you ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.

Yes, headlamps are many people’s go-to lighting solution. But the best flashlights offer more power and longer-lasting ...

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 ...

Growing up, my dad always made sure we had a flashlight at home. “You’ll need this in case an emergency happens,” he’d say. And with an extra level of caution ...

With this circuit, any type of LED can be driven from a single-cell supply in the range of 1.0 to 1.5 V (see the figure). As a result, it can be used with alkaline, carbon-zinc, NiCd, or NiMH cells ...