Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

I made this Arduino 8 bit ... using 8 leds where a 1 is represented as a lit led. This project can be used in schools to display a binary number using leds. The decimal number increases from 0 to 255 ...