LED lights can make camera footage look strange, especially indoors or in slow motion. Here's why the flicker appears and ...

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 ...

Computer monitors often include one or more LED indicator lights that show these devices' operating status. Monitor manufacturers can build a set of signals -- made up of sequences of LED flashes and ...

It is a pretty common first project to use an Arduino (or similar) to blink an LED. Which, of course, brings taunts of: you could have used a 555! You can, of course, also use any sort of oscillator, ...

The LED on your Amazon Echo Speaker has a number of color settings that tell you what's going on with your device. Here's ...

In most modern homes, a wireless router handles all of the Internet traffic that comes and goes. Gigabytes of data flow through it every month. It's a very busy little device, which you can see for ...