If you've ever used a Wi-Fi router to connect to the internet, you've probably wondered what all the blinking lights mean.

Full color RGB LED light to be inserted in the USB port which tells the user the events on the PC and the web with color / brightness / light emission pattern etc "Blink (1)"Power up, it makes it ...

A colorful LED light plugged into the USB port tells you whether a friend has appeared on the end of downloading the file or Skype, a device that tells Twitter, Facebook post, network speed etcBlink ...

Blinking lights near an ethernet port on an ethernet switch - Kynny/Getty Images Have you ever looked at the back of your computer and noticed the lights where the cables are plugged into your PC?

This is tutorial number 1 from our series of Arduino tutorials and in this part I will talk about blinking an LED using the one already available on the Arduino Uno board or using an external LED to ...