Most commercial LED flashlightsuse three AAA or AA batteriesin series that produce 4.5V. The batteriesthen drive four white LEDs that connectin parallel. These LEDs can workat voltages as low as 2.7V ...

Flashlights are handy around the house, but what if you want a stealthier approach to illuminating the night? Infrared LED flashlights can be acquired at relatively low cost, but where’s the fun in ...

For years now, iPhones and even Samsung’s Android smartphones have supported the ability to adjust the brightness of the LED flashlight on the back of your phone. Now, in Android 13, Google is finally ...

Extremely powerful for its size, the Clearwater LED flashlight throws a focused beam of white light that is simply amazing, especially considering it has only a single LED. Somehow during our ...