Amazon slashed 47% off this DEWALT LED flashlight in a massive deal that's cheaper than we've seen in over a year. Snag this ultra-bright flashlight for yourself or give it as a gift. You can't go ...

This is a flashing led lights circuit powered from a 12V DC power supply that uses the well known 555 IC. Flashing lights have many and varied applications in life. They are used as warning lights on ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Heading into Labor Day weekend, ...

This simple and cheap circuit is not just for Christmas! There are just two resistors, a small-signal transistor such as a BC547, one ‘flashing’ LED and a string of ‘normal’ LEDs. The flashing LED ...

“This is a powerful, reliable, and practical work light.” ...

It was the Nokia 1100 that started the trend of introducing a flashlight in a mobile phone. The same is followed by the smartphones. All smartphone come with a flash at their rear along with the ...

“These compact little lights pack a punch.” ...