Now a days most of the traffic signals are connected and working automatically by using programs.
Here we have made small program to control traffic signal automatically by using arduino uno board
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Step 1: Connections
Connect arduino and bread board with connecting wires
connect pin 10= red led anode
pin 9= yellow led anode
pin 8=green led anode
Step 2: Here We Can See How It Is Working
watch video to learn video
and I have attached program to control this circut make use of it
And this is my first instructables post if any error in my post found kindly inform me.