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    14 Discussions

    can i use a 7-segment display to show the time remaining for the signal to change??....if yes then how??

    3 replies

    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!!!

    year this is a great circuit also posted at http://www.kpsec.freeuk.com/projects/trafficlight.htm
    thanks for making an instructable about it as it was hard to read

    justswitch the red and green LEDs

    it's purpose is to get ready!...by the way nice project rohit!..

    1 reply

    very good work bro
    you keep it simple and with less use of components
    this is really good.
    God Bless You

    1 reply

    What is the purpose of the yellow light in India then?