LED Blinking on Arduino Uno should be your first Arduino project. Arduino Uno has an on-board or built-in LED, in this project we will see how to blink it.
Parts you will need:
An Arduino Uno
Connect Arduino with your computer.
Download, install and open Arduino IDE. [hide_from_apps container="span"](See how)[/hide_from_apps]
Within IDE chooose File Menu > Examples > 01. Basics > Blink
Now click Verify button and wait for it finish the verification
Finally click on Upload button, and you're done!
See the LED blinking!