led sequential turn on curcuit?

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jgauthier

Member - Posts: 9

Joined: February 28, 2010

Location: Texas, United States

Posted: August 16, 2010 at 12:34 PM / IP Logged

I am wanting to install led lights that when i give power to them, they will sequentially turn on with a .5-1 second delay in between. I think that this would be an awesome idea for dash lights, but know how to go about wiring it.

Thanks

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sneakycyber

Silver - Posts: 413

Joined: September 13, 2005

Location: United States

Posted: August 16, 2010 at 11:39 PM / IP Logged

Take a look at HidPlanet.com you can find some serious lighting projects on that forum everything you need to know about HID and LED lighting can be found there. I am also a contributing member there as well. Azdave is a moderator there he has alot of exp with building sequential tail circuits.

Edit: Here is the circuit you are looking for

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oldspark

Gold - Posts: 4,913

Joined: November 03, 2008

Location: Australia

Posted: August 17, 2010 at 12:26 AM / IP Logged

The simplest might be a clock (555 of logic gates) clocking a CD4017 counter (10 outputs), or a voltage ramp feeding a LED dot/bar driver (typically up to 16 LEDs).

The simplicity depends on how may LEDs in sequence you want, and their power requirement.

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led sequential turn on curcuit?

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