LED running light system

Discussion in 'Homework Help' started by JeromeDarshana, Oct 21, 2010.

  1. JeromeDarshana

    Thread Starter New Member

    Sep 17, 2010
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    I have an assignment to submit b4 1st of nov can any1 help to me ;)

    this is a digital circuit. This circuit is an LED running light system. Can use any combinational or sequential logic IC to design this circuit.


    please give a idea to make this plzzzzzzzz
     
  2. JoeJester

    AAC Fanatic!

    Apr 26, 2005
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    Are you talking vehicle running lights? Marine (boats ... Not Sgt Wookie :)) Running Lights?
     
  3. Georacer

    Moderator

    Nov 25, 2009
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  4. Wendy

    Moderator

    Mar 24, 2008
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  5. Georacer

    Moderator

    Nov 25, 2009
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    Whoops! Forgot to mention the resident Martial Arts Tinkerer first...:p

    Sorry, Bill...;)
     
  6. RanaBasu

    New Member

    Sep 29, 2010
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    @Jerom Darshane :

    For this assignment, u can use ordinary CD 4017 quad D flip flop counter or, 40174 Hex counter.... Since u have learnt about the NE555 astable timer circuit, the required clock pulse for that counter can be given. But in ur circuit diagram, u hv to include 18 LEDs for the sequence! first 9 LED sequence can be implemented using 1 4017 IC, First LED of the 2nd sequence should be on after the last LED of the first section... so for the secnd sequence use another 4017 IC and its clock enable trigger input can be given from the last LED of the first seq. as a negative edge triggering. Refer 4017 data sheets and NE 555 astable operation!!!
     
  7. Lihini_Hamesha

    New Member

    Oct 30, 2010
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    oh really jerom!!!!!i need this too
     
  8. thatoneguy

    AAC Fanatic!

    Feb 19, 2009
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    Need a better description of the specifics, and what you have so far for an idea/layout/schematic, etc.

    All I've seen so far is "Need running lights", which is rather ambiguous.
     
  9. Wendy

    Moderator

    Mar 24, 2008
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    The link I gave should cover all the ground, unless the folks want us to draw it for them.

    The whole point I wrote it for is because we kept getting the same requests. It took on a life of it's own though.
     
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