Dynamic LED driver

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Dynamic LED driver

kuzieem
I'm looking for a circuit that generates voltage from sound, that allows single led to light. I want to use it as daughterboard in some of my experimental projects (LDR-based stuff)
Anyone heard about such layout?
Cheers!
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Re: Dynamic LED driver

Travis
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That’s a really interesting question, but I’m drawing a blank if we have anything like that.

My recommendation is to check out this page if you haven’t

http://www.geofex.com/article_folders/ecftech/ecftech.htm

If you scroll down it has the input and envelope detector stage from the Mutron III. In my experience that one works great. But I also highly recommend checking out the Lovetone Meatball schematic which is based on the Mutron III with added features. IMO the most important added feature is the effects loop, which is an absolute game changer when it comes to incorporating an envelope in a pedalboard. Finally you can get Wah/______ after fuzz sound without the envelope detector being confused by added compression and harmonics
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Re: Dynamic LED driver

induction
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Re: Dynamic LED driver

kuzieem
Thanks! Helpful links.