We All Love Pretty LEDs...dont we?

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Ixj159

Copper - Posts: 68

Joined: March 07, 2003

Location: United States

Posted: March 17, 2003 at 12:29 PM / IP Logged

I wanted to add a pretty blue led for my alarm rather then the crappy red one... however... the nice bright blue one requites more power then the output from my alarm lets out to light it up..... is their some way i can add the blue one w/o using a relay, i dont want to use a relay, just b/c... that damn thing will be clicking all the time w/ the blinking, unless that red led is a blinking one in the first place... anyhow... anyhelp would be appreciated... thanks, eric.

MielGibson

Copper - Posts: 74

Joined: January 03, 2003

Location: United States

Posted: March 17, 2003 at 6:08 PM / IP Logged

Try using a transistor buffer.

draasch

Gold - Posts: 2,172

Joined: February 07, 2003

Location: Florida, United States

Posted: March 17, 2003 at 10:10 PM / IP Logged

what brand of alarm do you have??

Good Luck

David

Ace Security

813-376-9778

Tampa

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Ixj159

Copper - Posts: 68

Joined: March 07, 2003

Location: United States

Posted: March 17, 2003 at 10:25 PM / IP Logged

Viper/DEI 550 esp

jamiemac

Member - Posts: 12

Joined: March 17, 2003

Location: United States

Posted: March 18, 2003 at 2:39 PM / IP Logged

not for sure here.. but think the DEI Led output is 2volts and not 12 volts.. could be wrong but think it is... can anybody confirm this???? might try using the grounded while armed out put .. would work if the led is a blinking one...

hope this helps some...

Ixj159

Copper - Posts: 68

Joined: March 07, 2003

Location: United States

Posted: March 18, 2003 at 2:45 PM / IP Logged

Makes since, I might give it a try, the blue led requites 3.5 volts to opperate.... i might just wire up a relay to get it to work, but w/ a relay clicking like that all the time, what kind of life spand would the relay have? surely that would wear away the contacts and such quickly......oh well ill figure something out..... thanks....Eric

MielGibson

Copper - Posts: 74

Joined: January 03, 2003

Location: United States

Posted: March 18, 2003 at 5:54 PM / IP Logged

Well, this might work...Try using a Red blinking LED in series with the blue LED.You're gonna need a resistor to limit the current through the LEDs, start with a large value, let's say 820 ohms 1/2 watt resistor. Try several values.

12V-->resistor-->red blinking LED-->Blue LED-->grounded output from alarm.

Dan M C

Copper - Posts: 220

Joined: June 10, 2002

Location: Romania

Posted: March 18, 2003 at 8:11 PM / IP Logged

Good question,i have a Clifford Arrow II with the red led from the factory and i was gonna change to a blue one but i was told that my Clifford put's out only 2 V rather than 12V.So if your's will work please post your rezults.

Thank you

We All Love Pretty LEDs...dont we? -- posted image.

mackadilly

Member - Posts: 25

Joined: January 13, 2003

Location: United States

Posted: April 18, 2003 at 2:40 PM / IP Logged

Can you described in detail, the axact procedure for wiring LEDs in series?

MielGibson wrote:

Well, this might work...

Try using a Red blinking LED in series with the blue LED.

You're gonna need a resistor to limit the current through the LEDs, start with a large value, let's say 820 ohms 1/2 watt resistor. Try several values.

12V-->resistor-->red blinking LED-->Blue LED-->grounded output from alarm.

x6369x

Copper - Posts: 108

Joined: November 10, 2002

Location: United States

Posted: April 18, 2003 at 7:29 PM / IP Logged

DEI now offers blue LEDs for their alarms that are a direct plug in. Check eBay, they normally go for about $10.00 shipped.

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