This is a simple 4-way Traffic Light Controller that I made. The LEDs are controlled my an arduino uno.

1. 4 red led, 4 yellow led, 4 green led
2. Breadboard

3. Arduino UNO

4. Cable

Step 1:

Hello, nice work. It is a very helpful one for my college project. Thank you.<br>But couldn't clearly understand those wiring connections. Can u please send some more pics, or explain it, please. That would be a lot of help.<br>Thank you.
<p>Hi Ali could you help me</p><p>I made the four way traffic system but I what to add a two pedestrian crossing to the arduino code, could you help me with this</p>
<p>Hi Ali,</p><p>thanks for your tutorial, my children very happy.</p>
<p>sory,your arduino program no clear.....help...</p>
Sir can you plese send me wirig diagram of 4Way traffic signals
Which country of this traffic light system ?
<p>Thank you for your help, this was my school project and i made it thanks to you, thank you sir</p>
<p>I did not understand how the blue cables need to be connected ? </p>
<p>You must connected to the blue cables with negative trmnal of the led and connected to negative for Arduino</p>
<p>Fun project. I have been meaning to make some traffic lights for my son's toy cars.</p>
<p>am glad that i could help</p>

About This Instructable




More by alikarkuki:Arduino Lcd Counter   arduino  capacitances measure Arduino Relay Circuit  
Add instructable to: