In this project, I made it contain more function. I added an extra light bulb, a button, and a speaker.

Step 1: Material

1 breadboard

1 Arduino Leonardo

2 LED light bulbs

1 button

1 speaker

cables

Step 2: Circuits

Connect the first light bulb to digital 7

Connect the second light bulb to digital 6

Connect the button to digital 5

connect the speaker to digital 11