can i use a 7-segment display to show the time remaining for the signal to change??....if yes then how??<br>
are u willing to use a microcontroller or not?
You can do it with a 7447 and a 7490(TTL gates and not a microcontroller) THERE ARE SITES WITH SCHEMATICS TO DO THIS!!!
no not a microcontroller.....
year this is a great circuit also posted at http://www.kpsec.freeuk.com/projects/trafficlight.htm<br>thanks for making an instructable about it as it was hard to read
yellow should always be before red light
u r correct but now i have to redesign the circuit
justswitch the red and green LEDs
it's purpose is to get ready!...by the way nice project rohit!..
very good work bro <br>you keep it simple and with less use of components <br>this is really good.<br>God Bless You
What is the purpose of the yellow light in India then?

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More by robot1398:Pocket Sized Morse Code Flasher Arduino running LEDs Arduino fading led 
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