Mutron/Wah combo build

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Hey all,

I've done 4 projects to date (Mu-Amp, Easy-Vibe, Blue Magic and the piece-de-resistance, the REMOTE RELAY BYPASS project with 2 different styled foot controllers), and am now itching to get going on a new space saver - an envelope filter/wah combo pedal. 

I want to fit it in a typical racker pedal housing, with a kick switch to toggle between the two modes. Right now, I use a Moogerfooger Low Pass Filter with no auto-wah just an exp pdl to control the sweep for atmospheric spacey stuff. But the whole thing PLUS a wah pedal just takes up too much damn real estate.

I am assuming I'm going to need to build two separate circuits here as I don't have the electronic design skills to create one circuit. Any thoughts on what circuit would get me reasonably close to the Moogerfooger with a reasonable parts-count? Keep in mind I won't need the envelope detector, just a low-pass filter with a trim-pot adjustable peak, variable cut.

Waddaya think? 

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