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"Alarm System" Flashing red light on dash, help! |
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zephyrus14
Joined: Nov 04 2009 Posts: 1 |
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Wed Nov 04, 2009 6:58 am
I'm sure we have all seen these flashing red lights on people's dashboards to indicate they have an alarm system... Well, I'm cheap... I have a red 4.5V LED, can anyone help me out with diagramming this? I am planning on getting my 12V source from my clock's memory source, which holds a charge to remember what time it is while the car is off. How does something like 1 flash per second sound? If I can see a diagram, I can put the pieces together... but resistors, relays, switches....thats all cooky talk to me!
 Thank you all for your help! 
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byte
Joined: Mar 25 2009 Posts: 311  2002 GMC Sierra Last updated: 08/06/09 1949 Lamborghini Countach Last updated: 10/08/09 1995 Chevrolet CK Pickup Last updated: 11/08/09 |
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Wed Nov 04, 2009 7:31 am
Here is a web site:
http://www.ehow.com/how_4678201_build-fake-car-alarm-light.htm This site show how to wire the blinking led with a resistor. http://www.angelfire.com/ar3/ledmod/ |
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bad venge
Joined: Jul 28 2007 Posts: 1845 1998 Dodge Avenger Last updated: 05/18/09 2005 MINI Cooper Last updated: 12/28/09 2010 MINI Cooper Last updated: 01/24/10 |
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Wed Nov 04, 2009 7:32 am
Go to radio shack , BUY a flashing LED , Buy a 12 volt relay , Wire relay coil to Switched ON and ground wire the N/C contact to the 12V Clock source , and the other side to the LED ...
When the car is on the relays pulled in , Light OFF turn car off , relay turns off , Light ON |
The time now is Fri Mar 19, 2010 12:30 am