With no added light. Image used with permission by copyright holder With LED panel light. Image used with permission by copyright holder Light at full power Image used with permission by copyright ...

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 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 ...

If your old incandescent Ryobi flashlight bulb is dead, it's actually possible in most cases to swap it out for an LED.

This is an archived article and the information in the article may be outdated.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, ...

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 ...