Introduction: Arduino LED

This is a simple light composed of LED.You can use it as a night light too.

You can buy the materials you need in the following stores:

The code link:

You can watch the video in the link:


Arduino Leonardo x1

LED x1

100Ω 1/4W resistor x1

Wire x3

Computer x1

Step 1: Assembly

Connect the long end of the LED light to the D12 jack

Step 2:

Connect the short end of the LED to one side of the resistor

Step 3:

Connect the other side of the resistor to the negative side of the breadboard

Step 4:

Connect a wire from the negative side of the breadboard to the GND jack

Step 5:

Boarding code

Step 6:

Appreciate the LED flashing