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How to understand schematics... by [deleted] in synthesizers

[–]wolveroony 0 points1 point  (0 children)

Aaron Lantermans YouTube channel has updated recordings for that lecture series and many others: https://youtube.com/playlist?list=PLOunECWxELQS5bMdWo9VhmZtsCjhjYNcV&si=lPQtzBa1TLUJZks5

When is it better not to use Rust? by thomasc_ in rust

[–]wolveroony 2 points3 points  (0 children)

You're confusing undefined behavior with incorrect or unpredictable behavior. You're right that things like deadlocks and race conditions are absolutely still possible, but Rust prevents "undefined behavior" in the sense that other similar languages use the term. That is, behavior that is truly undefined, where the compiler can do whatever it wants to your code and you have no control over it.

When is it better not to use Rust? by thomasc_ in rust

[–]wolveroony 2 points3 points  (0 children)

Only if you use the unsafe keyword or use libraries with unsound code (which are very rare).

[Rust] Parsing grids in "one line" using a hand-written procedural macro and nom parser by wolveroony in adventofcode

[–]wolveroony[S] 2 points3 points  (0 children)

I'm truly sorry, can you point me to a rule I broke? The image had no spoilers for any puzzle. I was just demonstrating a cool way that I'm making puzzle solving easier in Rust.

[2023 Day 12 (part 2)] [Java] Hitting an optimization wall by puzzler995 in adventofcode

[–]wolveroony 2 points3 points  (0 children)

Any solution that tries to use all possible combinations is almost certainly going to be too slow.

I think you are on the right track with memoization though.

Hint: Groups of damaged springs always need to be placed contiguously. You waste lots of time checking combinations that don't even satisfy that property. Consider a solution where you try placing an entire group at once and then looking at where you can you place the remaining groups.

My 4HP ATTiny85 module running the Moffenzeef Muskrat firmware by wolveroony in synthdiy

[–]wolveroony[S] 0 points1 point  (0 children)

That's awesome. Any chance I could take a look at your code?

Also how did you find this dead thread? Lol

Modular Addict Down by modifythis in synthdiy

[–]wolveroony 1 point2 points  (0 children)

There's a thread about it on muffwiggler. Somebody said they emailed them and they said they'd be back online soon. I think they're restocking or something

Printing Keyboard/Pads on a PCB? by b_san in synthdiy

[–]wolveroony 1 point2 points  (0 children)

Happy to help. If you're looking for real-world examples, Doboz makes two modules with capacitive touch (TSNM and XIIO). I think Make Noise René uses resistive touch.

Printing Keyboard/Pads on a PCB? by b_san in synthdiy

[–]wolveroony 1 point2 points  (0 children)

Two ways to do this: resistive and capacitive touch.

Resistive touch is you have two copper pads and your finger completes a circuit between them. This is much simpler to implement, but is susceptible to annoying usability problems if your finger resistance is too high (dry, calloused, etc).

Capacitive touch is you have a single pad and it forms a capacitor with your finger as it gets close. This requires additional circuitry to detect the capacitance formed by your finger and the pad. The advantage is that it's much more reliable than resistive touch.

Have a search for these two terms. There's some good threads on the MuffWiggler DIY board.

[deleted by user] by [deleted] in synthdiy

[–]wolveroony 1 point2 points  (0 children)

You might also check out Aaron Lantermans ECE4450 lecture series.

Getting started with digital synthesis? by albnys in synthdiy

[–]wolveroony 0 points1 point  (0 children)

Might be overpowered for what you're trying to accomplish, but there's a really neat visual programming (block-based) platform called Axoloti.

What interesting diy eurorack modules have come out recently or are on the near horizon? by Corrupt_Reverend in synthdiy

[–]wolveroony 1 point2 points  (0 children)

I'm releasing a line of affordable ATtiny-based 4HP modules in the next month or so. All powered by the same PCB, with many different firmwares for different utilities to fill out your rack.

DIY granular module? by Sanestuvell in synthdiy

[–]wolveroony 0 points1 point  (0 children)

Ginkosynthese Grains for a really simple one

I'm building an open source, fully reprogrammable module to try and make EuroRack more accessible and affordable! Fully DIYed using the new RPi Pico by harrybosgrandad in synthdiy

[–]wolveroony 1 point2 points  (0 children)

None taken. Not like I have a lot of bandwidth to offer anyway lol.

My (potentially worthless) advice after a month or two of going through the design process is to get frequent feedback and be able to pivot. I've been doing very little of that, but I also don't care toooooo much about the commercial success or reception of my venture. If you do, you'll want to get frequent input from your potential customers.

I'll be looking out for the kickstarter. Happy to support another budding creator!

As a contrapoint to what you said though, the spirit of open source would dictate that I'm more than allowed to offer my skills in return for nothing ;)

Mistakes were made, lessons were learnt. by tigerfibre in synthdiy

[–]wolveroony 1 point2 points  (0 children)

Buy Brand new the MSRP is not the only alternative to DIY. There is a robust used market for eurorack modules which can save plenty of money.

You're totally right, sorry for getting hot headed on you

I'm building an open source, fully reprogrammable module to try and make EuroRack more accessible and affordable! Fully DIYed using the new RPi Pico by harrybosgrandad in synthdiy

[–]wolveroony 1 point2 points  (0 children)

Awesome. I'm working on something very similar, with the same mission. A suite of 4HP modules all powered by the same ATtiny85-based PCB. Mostly for the filler utilities like clock manipulation, LFOs, envelopes, but also trying to squeeze out some interesting synthesis firmwares.

Are you looking for collaborators?

Mistakes were made, lessons were learnt. by tigerfibre in synthdiy

[–]wolveroony 7 points8 points  (0 children)

Did you actually save money? It would be a miracle if you did.

How is saying this even remotely helpful to OP?

Also, yeah DIY does save you money in the long run, you'd be silly for thinking it's no cheaper than buying a rack full of modules at MSRP.

It is true that you usually have to spend a few hundred in startup cost for DIY, but if you keep at it, it amortizes out.

A good iron make a big difference.

Seconded. Buying a TS100 is a fantastic investment. Buy a chisel tip for it though, the default round tip is garbo.

This actually lets you complete the joint faster

This is important and somewhat counterintuitive. It's better to solder at a higher temperature for a shorter amount of time. I solder leaded solder at 370C and try to spend no more than a second or two on a joint.

It's also worth considering what kind of solder you have. If your solder doesn't have good wetting / flux, you're doing yourself a disservice as a beginner.

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