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Make a CCFL flicker? - Page 4

post #31 of 37
Quote:
Originally Posted by Deism View Post
Kind of what I was talking about making for you in your other thread mcn, but instead of totally random it would count 1-15 in binary, which would appear random to anyone that didn't know binary, and would put out varying levels of light giving the "random flash" appearance.

Nice find BLKKRW.
not a problem, but to convert a 12v rail into that might be difficult, if you dont know anything about circuits @ OP
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post #32 of 37
Quote:
Originally Posted by BLKKROW View Post
not a problem, but to convert a 12v rail into that might be difficult, if you dont know anything about circuits @ OP
All it takes is a simple voltage divider to provide the +9V to the circuit; if it's desired to drive a +12V outout, then either use a relay or a Darlington transistor.
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post #33 of 37
Quote:
Originally Posted by radodrill View Post
All it takes is a simple voltage divider to provide the +9V to the circuit; if it's desired to drive a +12V outout, then either use a relay or a Darlington transistor.
i understand that but i dont know if the OP does or doesnt.
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post #34 of 37
Thread Starter 
Ya ya, i saw that when researching, and thanks for looking.

The thing is that I already have the CCFLs and they are glued into the machine. There's no way they are coming out, and even if they weren't glued, it would be nearly impossible to get the ones out of the front.
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post #35 of 37
What about if you took apart the sound unit and ran the hdd activity line in parallel with the microphone. Since the hdd line puts out like 3.3v use a couple resistors to bring the voltage way down.
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post #36 of 37
Thread Starter 
Quote:
Originally Posted by kennymester View Post
What about if you took apart the sound unit and ran the hdd activity line in parallel with the microphone. Since the hdd line puts out like 3.3v use a couple resistors to bring the voltage way down.
I would other than the microphone, according to a friend, makes an analog signal instead of a digital signal so I'd need a rectifier bridge or something. At least, that's what my friend told me.
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post #37 of 37
An analogue signal vs. a digital signal in a situation like that wouldn't matter. All that the circuit is looking for is a blip of some sort whether that be a voice or music or a spike from the hdd connector.
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