multiple flashing alarm led's via relay?

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LooneyG

Member - Posts: 43

Joined: October 16, 2002

Location: United States

Posted: November 28, 2011 at 2:59 PM / IP Logged

I did do some searching around the Site and was unable to find this Info but is there a way to add multiple 12V LED's to a Car Alarm's LED port via a Relay and have them all Blinking ? If so could somebody maybe post a Diagram and if there is any other way to make this happen please post it too.

Thanks

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KPierson

Platinum - Posts: 3,527

This member consistently provides reliable information

Joined: April 14, 2005

Location: Ohio, United States

Posted: November 28, 2011 at 5:19 PM / IP Logged

You would need a transistor as a relay would draw too much current. You should be able to find schematics on the internet for this.

Kevin Pierson

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i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 28, 2011 at 7:20 PM / IP Logged

Radio Shack sells a 12volt flashing LED. You should be able to connect them to a 12 volt constant source, and ground them to your alarm's Ground when armed wire. It is the same wire to which the starter kill relay is connected.

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birdman41

Member - Posts: 16

Joined: December 07, 2011

Location: Arizona, United States

Posted: December 08, 2011 at 3:31 AM / IP Logged

If memory serves me correct you can connect up to 2 leds to one port..just wiring them in series with one another.

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: December 08, 2011 at 5:19 AM / IP Logged

Actually, it's up to 3 blue and 5 red when wired in series.

This ONLY relates to DEI group product with 2.5 volt LED.

From 12V+ they will need a resistor of more than 800 ohms in series.

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multiple flashing alarm led's via relay?

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