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Ok, I have written a program to donate to the binaura effort. This one is called "Arlington Chamber" . It's a very smooth, wide stereo reverb, which melds nicely with the dry tone. I think it will work well for guitar. It allows adjustment of 1. reverb time, 2. reverb density, 3. reverb size...

Freeverb is kind of terrible. The “Dattoro Plate” that is floating around everywhere is a bit nicer.

lulz dammit I bought a brand new mini usb cable to use with this board and it turns out it was bad. It had a short, I think. Board still works but I think it fried the usb interface IC. I ordered a FT232 breakout from AdaFruit which I think I can use to program it and it may still be...

I have the dev board now and the toolchain set up and I have successfully flashed a few programs. It's so nice to not have to use that clunky Spin ASM thing from 10 years ago any longer. The instruction set is pretty straightforward if you already know the fv1. I also ordered one of the modules...

What types of programs are people most interested in? I can probably get a bank of stereo delays, chorus and reverbs together. I feel like the fv1 pitch shifter is kind of wretched so I haven't really worked on any harmonizers.

I just ordered some development kits. Will start getting my head around the development environment and the assembler. Anyone built something yet?

Hi! Also interested in getting some of these. I have a large number of high quality stereo reverb and delay algorithms which I can share.

I stuck a tiny XP install into a VirtualBox and it works fine for running SpinASM. Definitely an easy way to get started.

There is a disassembler available, which you can use to produce assembly code from a binary. But it's still quite a bit of effort to make sense of a disassembled program, as it does not have any variable names or comments.

This is very true. If you are 100% guitar + pedals, it won't be that easy to work with. Another limitation is the lack of a wet/dry mix, which is essential when tuning a program (like a reverb) in a realistic context. If you have a preamp with a line-level effects loop, you could use that...

Almost all pedals that use the fv-1, and def all of them on this site, read their programs from a generic EPROM chip (24LC32), which can store eight distinct programs. If you have any fv-1 pedal that has a socket for that eprom, then yes you can swap it out with your own programs. I have done...

Unless it's a super valuable part, I cut it out because it reduces the risk of damaging the pcb. You won't need as much heat to desolder. Then the problem is reduced to removing the solder and the little bit of lead left. It's possible to do it even with one of those cheapo suckers. I put the...

Nice one. I haven't shared much of the fv1 stuff that I worked out, as I'm not sure how much development is still going on these days. But if people have an appetite for learning more algorithm development, I could be convinced to publish some stuff.

I don't think it's a good way to learn to code. It will be hyper frustrating. There are at least 3 boulders, and you'll be taking them all at the same time instead of 1 by 1: c++ the language itself is hard enough to learn signal processing algorithms, etc. ... the useful work, mysteries abound...

I use the Spin IDE in Windows XP in VirtualBox. It's a little weird, but it's been very reliable and it was free. Honestly it's easier to keep this freaky VM frozen in time than keeping a modern development environment up to date. Luckily they haven't updated the Spin site in 10 years, so it...

That's fair. This is probably the right part for this sort of pedal. Another possible solution that I came up with is that if the 8 program bank could be logically divided into three sets of two parameters, then three toggle switches could make sense as a UI. For example, switch one selects...

That's good to know, thanks. While I have your ear, I've noticed that those rotary switches seem to be pretty delicate. The last batch I got (from another source) had one that was just bad, and another that I think I might have damaged with too much heat. Desoldering and replacing these is a...

Hey folks I noticed pretty much all the fv-1 boards are out of stock. Are they hugely popular or going the way of the dinos? I want to make more. Cheers.

You really don't need anything but a cable to get the signal into the pedal. Wire a female XLR on one end and a quarter inch TR plug on the other. Connect xlr pin 2 (hot) to tip and pin 1 to ground. You're under no obligation to use the balanced leg just because it's there. :) Keep the gain on...

Cool. Just curious, do you make source available for your programs or are they proprietary?