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I really thought this was gonna be an audio looper that just plays the "Star Wars Theme" song. But this is cool too... Just kidding, awesome job, that's really inspiring!

I'm sure others have made a tap tempo delay, but I didn't find anything posted that's ready to go with Terrarium. I included as many features as I could fit on the controls : dotted 1/8, filters, modulation, and reverb. I think it sounds really good, and it's quite simple. I also posted the...

Nice one. How would you compare and contrast with the RS?

Woah cool. And thanks, i had Tayda cut the opening. Way oversized from what I need because I just guessed at it

It blocks DC and works as a high-pass, your right on. Conveniently, the math for low-pass and high-pass cutoff frequency is the same. I have a phone app called EE Calculator that makes checking RC filters and parallel resistors pretty quick.

I'd say read the electro-smash tube screamer article. Then read it a few more times. Study the pedalpcb Stockade circuit, and see how those features line up with the electrosmash article. Build or breadboard a tubescreamer and mess with some of the component values. The Tube Screamer isn't...

The key difference (besides the clipping diodes) is replacing the Big Muff tone stack with a simple hi-cut tone control. The Big Muff tone stack is the perpetrator in the case of the missing mids. (Check out the "tsc-in-the-web" site, big muff tab). So naturally the Rain Coat has less of that...

I checked back through some family Christmas list emails and saw I requested and received a Daisy Seed Rev4 for Christmas 2020. I should not have waited 5+ years, this has been great. I kept putting off the Daisy because I was busy working with the FV-1, and I plan to continue using it when...

I've noticed some high frequency cut on my recent Terrarium build. I believe it is due to C7 (1nF), when used without a buffer before it. It looks like C7 acts with the guitar pickup to create a low-pass filter. Using a buffer before the Terrarium eliminates the high-cut. I'm aware of the...

Very nice. Where did you get the light blue hammer enclosure?

I'm working on a project ingetrating 2 FV-1 based pcbs in a single enclosure. This is for a someone in a studio application so I'm trying to make sure the noise floor is minimal. I'm considering these options: --18V IN, 7809 regulators (the big ones) with appropriate capacitors. --9V IN, use...

Maybe try connecting the - side of the 10uF cap to gnd, to see if you get a lot of gain that way. (It would simulate max gain knob). Then you can start to pinpoint if it’s a problem with the pot or wiring, or something in the circuit

Jcpst, I’ve got parts coming for the terrarium and that octave you posted about (by Steve Schulteis) will be one of my first things to try. I liked your points, especially about latency, hadn’t quite thought of it like that. The main issue with fv-1 pitch shift quality, as I understand it...

^it's pin13 for the internal rom, just for future reference.

No, it's a small pitch shift (detune), not transpose or octave. You've already messaged me a couple times asking for custom octave code, and I sent some code over. At that point it seemed like you wanted me to spend a lot of time writing code for you, and I don't think the FV-1 can do what you...

That looks sweet!

Dung Beetle is super cool

If you mix before the iridium, then the cab sim (most importantly) as well as amp sim and reverb will be on your external audio. So, better to take the output of the iridium into a mixer. I've built both of these and they work great. Caveat is for the mixer you probably need to split the L/R...

Very cool. Yeah a 500k across the volume would do it. The 763 circuit is pretty similar to the Timmy, but the HPF is set at a higher frequency (where it cuts lows, unless the lows knob is turned up) (R3 and C1) A trick you could take from the Timmy is 2:2 diodes instead of 1:1. This would...

Sometimes parts are bad, and sometimes the breadboard tracks can wear out and not connect to your part leg well. You can test those two possibilities if you have extra parts or extra space on the breadboard. In my experience, it usually comes down to a mistake I made though. You could post your...