so in this tutorial, I am going to show you how to create music with relay and Arduino interesting beginner-friendly project

how its works

if you are familiar with relays .you may notice the triggering sound of the relay. that sound is our key .we trigger relays in a particular sequence to generate music awesome let’s start building. before that please watch the making video for detailed instructions
components needed

1.arduino uno

2.relay module
3.8 ohm speaker
4.led
5.breadboard