This Arduino tutorial teaches about the use of the FOR loop to repeat a set of operations. In this case, it’s to turn the five LEDs on and off in sequence. Built with the OSEPP 201 Kit Series Arduino Basics.
There is no sound in this video, unless of course you’re a dog.
If you’re interested in getting started with microcontrollers, an Arduino Basics Kit is a great place to start. Check out these items: