Led circuit help?

Discussion in 'General Electronics Chat' started by umar009, Jul 27, 2011.

  1. umar009

    Thread Starter New Member

    Jul 13, 2010
    8
    0
    hello frnds, i have a LED chaser circuit which comes 4017 and 555 timer ic, i want to connect 32 LEDs each channel,.

    Source voltage 12v 7ah,
    forward voltage 3v
    forward current 20ma
    no.of leds 32.


    so pls pls tell me what to do

    thankyou
     
  2. Wendy

    Moderator

    Mar 24, 2008
    20,765
    2,536
    A schematic is always nice. It beats a thousand words.

    I have written an article that may be of some assistance.

    LEDs, 555s, Flashers, and Light Chasers

    So you want 10 sequences, each with 32 LEDs?
     
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