Introduction: Traffic Light 4 Way. Using Arduino Uno

Picture of Traffic Light 4 Way. Using Arduino Uno

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

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Step 5: Sketch

Comments

jagmandeeps (author)2017-11-24

what kind of Resistor did u use

Maquiz (author)2017-10-29

Help me with a circuit diagram in proteus please, I need it for my project

HarishB21 (author)2017-04-10

Hello, nice work. It is a very helpful one for my college project. Thank you.
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.
Thank you.

PeterT129 (author)2017-02-14

Hi Ali could you help me

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

SyamsaH made it! (author)2016-10-17

Hi Ali,

thanks for your tutorial, my children very happy.

AxA1 (author)2016-01-25

sory,your arduino program no clear.....help...

alikarkuki made it! (author)AxA12016-01-26

sketch

Malik KashifR (author)alikarkuki2016-10-04

Sir can you plese send me wirig diagram of 4Way traffic signals

AdilahH (author)2016-10-03

Which country of this traffic light system ?

RohanTheProgrammer (author)2016-06-29

Thank you for your help, this was my school project and i made it thanks to you, thank you sir

MohanA1 (author)2015-12-20

I did not understand how the blue cables need to be connected ?

alikarkuki (author)MohanA12016-01-09

You must connected to the blue cables with negative trmnal of the led and connected to negative for Arduino

DIY Hacks and How Tos (author)2015-12-09

Fun project. I have been meaning to make some traffic lights for my son's toy cars.

am glad that i could help

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