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    14 Discussions

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    athomas21

    7 years ago

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

    3 replies
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    robot1398athomas21

    Reply 7 years ago

    are u willing to use a microcontroller or not?

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    MROHMrobot1398

    Reply 6 years ago

    You can do it with a 7447 and a 7490(TTL gates and not a microcontroller) THERE ARE SITES WITH SCHEMATICS TO DO THIS!!!

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    techxpert

    7 years ago

    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

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    optoxrobot1398

    Reply 7 years ago

    justswitch the red and green LEDs

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    amalviya1

    7 years ago

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

    1 reply
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    ray_Bond

    7 years ago

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

    1 reply
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    LinemenOwn

    7 years ago

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