Traffic Light ( Germany and Brazil )

About: arduino fan

Traffic light in Germany move from green to yellow, to red and the same way back. In Brazil to avoid that people start driving on the yellow and have an accident with people crossing on yellow, they move straight from red to green ...

So I wanted to simulate that in arduino

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: Material

6 LEDs ( 2 green, 2 yellow, 2 red )

6 resistors 220

Arduino board


Step 2: Code

Step 3: Result

Be the First to Share


    • Made with Math Contest

      Made with Math Contest
    • Multi-Discipline Contest

      Multi-Discipline Contest
    • Robotics Contest

      Robotics Contest

    2 Discussions


    Tip 1 year ago

    Hi. Nice toy.

    I have small correction for Germany - before green the red and yellow are on together,

    1 reply

    Reply 1 year ago

    thanks, updated the files