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Sound activated cathodes. - Page 2

post #11 of 15
If you want to go with some fiddling around instead of a plug in product, run your sound card output channel to a transistor and have the transistor switch the lighting on and off.

Here's a how-to:
http://www.danielandrade.net/2005/12/06/howto-blinking-leds/
post #12 of 15
Thats cool!
Can anyone help me? I also want to have a sound activated cathode. Want to i need to buy?
post #13 of 15
Tnx
post #14 of 15
I had my cathodes hooked up under my desk which was hooked up to a second psu which was jump started.
post #15 of 15
If you don't mind doing some soldering you can use capacitors and transistors to do the job. Using the same basic idea of you can add capacitors and make a high and low pass filter to filter out the unwanted frequencies. I have seen it used on lighting before but can't seem to find it. The hard part is finding the frequency range of the gun shots and explosions though a software analyser will help with that. Hope this helps a little.
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