Arduino Traffic Light

Introduction: Arduino Traffic Light

In this project I'm make a Traffic Light.

in the project we use leds, resistors and more...

this project for beginner.

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Step 1: What Need to Start

To start need:

1. 3 Leds (Red, Yellow, Green)

2. 3 Resistor (220-300 ohm)

3. Jumper wires

4. breadboard

5.Arduino UNO

Step 2: Connections

Red led - 13

Yellow led - 12

Green led - 11

Step 3: Code


red on 5 seconds

red and yellow on 2 seconds

red and yellow off, green on 5 seconds

green blink 3 times

green off, yellow on 2 seconds

yellow off

(< in loop>)

Step 4: Finished

now this workink!

1 Person Made This Project!


  • LED Strip Speed Challenge

    LED Strip Speed Challenge
  • Sculpting Challenge

    Sculpting Challenge
  • Clocks Contest

    Clocks Contest

2 Discussions


4 years ago

Good project for beginners