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flashing police LEDs?

post #1 of 19
Thread Starter 

I think that watching too many youtube videos affected me lol, but I came up with the idea of adding flashing LED lights to a case...

What I'd like to do is, to add these kind of effects







into a case. I know, it sounds weird but I just fell in love with the idea.

What would I need to make it real? It would be applied to my current case or to an antec 1200...
    
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post #2 of 19
You could first start off checking out some cold cathodes in blue and red, and then possibly look into buying raw LED's and hooking them up to your PSU
 
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post #3 of 19
Id try cathodes before LEDs as they are easier (read pre-built) to deal with overall. If you have some experience with this sort of stuff, try out the LEDs with an extra PSU you have laying around.
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post #4 of 19
Here is a simple way to wire a board for flashing LED's.
    
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post #5 of 19
Leds would be your best bet, youll need a pcb and im guessing a few other parts like resistors and stuff . It wouldnt be too hard to make something like this and it should be pretty cheap too so i say go for it. But IMO it'll be annoying as hell.
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post #6 of 19
Thread Starter 
what if I use cold cathodes for the interior of the case, and some LEDs for the front, upper part and back side of the case? would it consume a lot of power? and is there a way to make, let's say, a controller board for them to have the options to flash in a certain way and turn them off if I want to?
    
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post #7 of 19
LEDs dont usually draw much power.
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post #8 of 19
Cool, kind of like Knight Rider in reverse. I know some guys that would love this.
post #9 of 19
I'd probably set up a circuit with a 555 timer to generate the pulses and use that signal to control transistors that are acting as switches for the light elements. I'd then use an inverter on the signal coming out of the timer so that you have a control signal that's 180 degrees out of phase of that from the timer itself; that way you can have the blues on one signal and the reds on the other as then it would alternate between red and blue
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post #10 of 19
I wonder if you could add a transistor to it and give it a "strobe" effect. Kind of make an amplifier and shorten the pulse width.
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