#diysynth — Public Fediverse posts

wavesketch_v1; Sketch your own waves!

#diysynth #puredata #fmsynth

So many sounds were made at the workshop... wow! Such incredible creativity and maaaybe a little noisy (I'll have to improve those DIY amps, next time ....🤞)

Happy people patching, turning simple components into all these sounds.

I am so thankful for having met you guys. What a lovely hygge-stemning! ❤️🛠️✨

Read more: https://buildingsoundcollectives.com/2026/08/27/a-synth-for-a-buck/

#CMOS
#DIYSynth
#SynthDIY
#divergentthinking
#SoundArt
#ElectronicMusic
#BuildingSoundCollectives
#SoundDesign
#Hygge
#MakerSpace

How many different sounds can you make with just three components?

Join our hands-on workshop to build your own synth from scratch this Saturday at Valby Medborgerhus.

No prior experience or materials are needed, and no soldering is required.

🛠️ Build a Synth for a Buck
📅 Saturday, September 12, 1-3pm.
🔗 RSVP via the Facebook event https://fb.me/e/9tGyjJ8qB

#SynthForABuck #DIYSynth #CMOS #divergentthinking

In this episode you'll learn

・How CMOS logic chips became musical instruments
・The origins of the Lunetta synthesizer movement
・The difference between analog synthesis and logic-based sound generation

#CMOSSynth
#Lunetta
#DIYSynth

youtu.be/bzbtCCI9sLs

CMOS Synth and Lunetta: Logic ...

In this episode you'll learn

・How CMOS logic chips became musical instruments
・The origins of the Lunetta synthesizer movement
・The difference between analog synthesis and logic-based sound generation

#CMOSSynth
#Lunetta
#DIYSynth

youtu.be/bzbtCCI9sLs

CMOS Synth and Lunetta: Logic ...

Flower talks 2 flower :flowey:

#puredata #plantmusic #diysynth

I wrote a (lengthy) article for my blog about the #GEM #S2 #Turbokit. I still have to proofread it, so it is still a little rough around the edges, but if you want to give a peek here it is: http://davbucci.chez-alice.fr/index.php?argument=elettronica/gem_s2/gem_s2.inc #music #homepage #blog #generalmusic #electronics #DIYelectronics #diy #diysynth

#WAVE555 szykuje się na majowy koncert.
#ambient #droneambient #diysynth

#diysynth #modularsynth #eurorack
Vous reprendrez bien un peu de bleep-bloop ?
Là j'ai monté un VCO "2osc" / "FM", sur base arduino nano, qui utilise la lib Mozzi. Impressionnant ce que ça arrive à sortir de ces petits MCUs 8 bits qui datent d'il y a bien 20 ou 30 ans.
Aussi ça utilise le "NASA trick" pour faire un DAC 16 bits à partir de deux PWMs 8 bits. Ça marche vraiment bien !

The Watasoge synth module now responds to manual gate signals.
I had Claude Code add an input module using edge-triggered interrupts — rising edge starts the tone, falling edge stops it for melodic sounds, while percussive sounds just fire and decay on their own. Worked on the first try.

https://framlin.com/watasoge/05_gatekeeper.html

https://github.com/framlin/watasoge

#diysynth #modularsynth #STM32 #vibecoding

Next step for the Watasoge synth module: playing wavetables on the STM32G431KB.
I described the desired firmware architecture to Claude Code — separate modules for synthesis, output, and player control. After a few rounds of feedback, 220 C major scales came out of the speakers, one octave per waveform.

Development felt as simple as writing a text.

https://framlin.com/watasoge/03_play_wavetables.html

https://github.com/framlin/watasoge

#diysynth #modularsynth #STM32 #vibecoding

Vibe coding meets embedded: I let Claude Code handle the entire firmware for an STM32G431KB — no IDE, no STM32CubeMX, not a single line of code written by hand. 20 minutes later, a 440 Hz sine tone came out of the speakers via a PCM5102 DAC.
Normally STM32 firmware is fiddly configuration work. This time the AI took care of everything — from chip setup and wiring to working audio output.

https://framlin.com/watasoge/02_hello_sound_world.html

https://github.com/framlin/watasoge

#diysynth #modularsynth #STM32 #vibecoding

Built 220 wavetables for my Eurorack synth project using Claude Code, modeled after Mutable Instruments Plaits — both additive synthesis and
extracted from WAV samples. First round was all clicks and pops, but after another iteration of analysis and fixes, the result is a clean set of
melodic and percussive waveforms ready for the firmware.

https://www.framlin.com/watasoge/01_wavetables.html

#diysynth #modularsynth #STM32 #vibecoding

Today I begin with watasoge, a wavetable sound generator.

I want to learn how to build a digital Eurorack synthesizer module.

I will us a NUCLEO-G431KB board.

It will be a wavetable synthesizer, because I think that's the simplest way to generate audio signals. That makes it seem like the most suitable approach for gaining initial experience.

The development will rely on an approach that has become known as "vibe coding".

#diysynth #modularsynth #STM32 #vibecoding

Yoo any non-dudes build #synths and #sequencers from scratch? It's always Bread Week in this house 🍞 🔌 This is an 8-step sequencer, the row of potentiometers across the bottom #modulate the pitch.

#breadboard #DIY #DIYsynth #womeninSTEM

10 years and a few days ago, I was running a DIY Synth workshop with STM32F7 dev boards in our kitchen in North London... Still have ~10 of these boards.

Here are also two videos (live performances) of some softsynths (some with MIDI via USB support) which we built in these workshops (I did quite a few of those in that year)...

STM32F746 MIDI synth (live recording, 2016-01-31)
https://makertube.net/w/6tYcSLrJdPfev8HNFNHVPj

STM32F746 synth (live recording, 2016-01-28)
https://makertube.net/w/mbeSF3y2rs2xnx1Yv5fL5v

Some related project & workshop repos:
https://thi.ng/synstack
https://thi.ng/ws-ldn-4
https://thi.ng/ws-ldn-12

#DIYSynth #Synth #SynStack #STM32 #Embedded #Workshop #MIDI #Music4Coding

Working on my first own #eurorack module: a bluetooth transmitter for my headphones. The electronics are straightforward but building a nice and clean module (frontplate, button, perfboard, etc.) is a new challenge for me. Wish me luck. #diysynth

I just published the code of the first prototype of Diapasonix, a bass-like synth and MIDI controller I'm developing.
It uses the fabuolous AMY synth engine and runs on a Raspberry Pi Pico 2. Loads of presets and effects!

Full video: https://youtu.be/DMDRZ1dwdG4

#Synth #Electronics #RaspberryPi #DIYSynth #ElectronicMusic

I got the two #ARMSID ’s, it took a few days to make them work in my circuit as they require the phi2 1MHz clock that was not needed for the #SwinSID, so I had tho see how to generate it with the STM32. My gosh, the sound quality is amazing 🤩 No more aliasing in the filters and deep and convincing basses. The ARMSID is truly an amazing little thing, I love it! #retrocomputing #SID #C64 #C128 #Commodore #diysynth

I spent the evening coding again for my little dual SID Midi synthesiser. Now it has a simple arpeggiator that is cool. I still have to implement the change of tempo and allow to sync with Midi. However, I never really liked the SwinSID filters, so I just ordered two ARMSID’s to try. #Sid #Commodore64 #diysynth #ARMSID #MIDI

What to do when your modular system needs more and more cables? And the hangers available to buy don't appeal to you... And you have a few old saw blades and an old lampshade? Exactly, you build a cable harness to combat spaghetti syndrome.

The metal edges are, of course, nicely deburred and rounded. A nice feature is that the saw blades can be rotated.

#blades #lampshade #diy #diysynth #cables #modular #modularsynthesizer #modularsynth #synth #eurorack #SpaghettiSyndrome

Komu w drogę...

#diysynth #ambient #droneambient #WAVE555

I'm using SK6812mini RGB LEDs in a personal project, and I'm not happy about them at all. They are super finicky, hard to solder by hand and TBH they consume too much power. I don't even need all this brightness. Can anyone recommend an RGB LED within the same form factor (~3mm), which is both less power-hungry/bright and easier to solder? #electronics #diysynth #synthdiy

Enjoying Xplore festival, I am there to play music at BDSM ceremonies space. Come say hi if you are around. Germination room number 2.

#berlin #sexpositive #atonalmusic #noisemusic #diysynth

This time my #soldering was a fail. This is supposed to be a #keyboard controller for playing my #StackSynth but the sample and hold part needs rework. The output voltage keeps rising. At first I noticed that I used a ceramic #capacitor where I should've used a polymer one, but this bodge didn't help. Maybe the #TL074 are out of spec (most likely fake ones but worked fine in the other modules) or the FETs are bad...
The keys will be attached using a stereo 3.5mm audio jack, and will be extendable like my perfboard version.
#diysynth #synthesizer #sampleandhold

Me quedó bonito el multenuador.
#diysynth

And here it is. The boards arrived today from @aislerhq so I had to solder it immediately and it sounds nice. Even my wife commented, that my annoying experiments start sounding acceptable.
#soldering #StackSynth #VCF #diysynth #synthesizer #LM13700

I'm planning another module for my #StackSynth - a #VCF based on the #LM13700 and the Skull & Circuits VCF-3: https://www.skullandcircuits.com/vcf-3/
I already designed the #PCB in #KiCad but wanted to test it on a solderless #breadboard first. It works fine, so I ordered the PCBs.
#diysynth #electronics #synthesizer

I could source the right tempco resistors and add high pitch correction to both VCO’s. Now they stay in tune quite well! My #diysynth is now quite a treat to use. With a decent arpeggiator (I use the CV output of the Microfreak) and an effect, the results are interesting and musical. #Synth #Electronics

One of the final modules for my #StackSynth project: the #noise generator. It outputs white, blue, and pink noise and uses a #3904 and a #TL074 with a lot of resistors and a couple of capacitors.
It is based on Moritz Klein's video: https://youtu.be/0yB_h_wFkh4
I prototyped it on solderless #breadboard and then designed the #PCB in @kicad and let @aislerhq manufacture them again. It turned out quite nice and sounds great.
#soldering #diysynth #synthesizer #KiCad #pcblayout #MoritzKlein

And here is the #StackSynth power supply board done. It provides dual rail +/- 12 Volt from 12 Volt AC. Stable for at least 300 mA. The diodes D1 and D2 get a bit warm, though. I'll have to see how it performs with my modules attached.
Again, boards were manufactured by @aislerhq and arrived together with the VCA.
My StackSynth tower is almost finished so far. There will be a Noise module coming and maybe I'll add another LFO.
#soldering #diysynth #synthesizer #powersupply

And here's me trying to build a 2-pole version of it.

I heard in a video by Moritz Klein that electrolytic converters might not be the best choice because they don't like negative voltages, so I plugged in two 100nf capacitors for each stage in series. But somehow I would like a little more ooomph; as it is now, that circuit still lacks the character I got with the larger electrolytic capacitors I tried for the single pole version.
#DIYSynth #electronics

Finished #soldering another #StackSynth #diysynth module, an important one: the #VCA - together with the ADSR, it makes the output sound much better.
Again, boards were manufactured by @aislerhq and they look nice.
I noticed that I didn't have any 2MΩ 0805 #SMD resistors, but found a couple of larger 1206 2.2MΩ ones in my recycle bin. They don't fit perfectly, but should do until I have the proper ones.
#synthesizer #LM13700 #TL074

My wife bought the #atkeys by @noisio at last year's Easterhegg and never got around to assembling the kit. Yesterday I started putting it together. It's a fine exercise in reading resistor color codes! #soldering #DIYSynth

I finished building the module. I have to trim a few details, but the VCA+ADSR works, overall. Functional tests were passed 😍 #diysynth #electronics #music

Finished #soldering the #StackSynth #VCO after the missing resistors arrived today. The tuning knobs are a bit close for my taste. The next revision will have a wider gap between.
After tuning it to roughly 1 Volt per octave, I tried it with my #sequencer. The test setup only included VCO, LFO, and mixer, though. The VCA will be the next board.
https://makertube.net/w/xwhPj4tAb2BdmPDmQuVakv
#diysynth #synthesizer

Three new boards for my #StackSynth arrived from @aislerhq yesterday. They are buffer, #ADSR, and #VCO. The VCO is the first with #SMD components on the bottom side. Two resistor values are missing in my SMD collection: 30k and 68k. I already soldered the ADSR and tested it. The buffer will follow tomorrow.
#diysynth #soldering #synthesizer #envelopegenerator

I think I will build a second module VCA+ADSR for the #DIY modular #synth I’m building since 2007. I printed and prepared the panel and it seems I have all the jack sockets and the knobs, the essential things 🤪#diysynth

Next step finished: #soldering the #pcb that arrived this week.
I had to drill two holes that I forgot to add to the boards. But there was only the ground plane at that position.
Again, they were manufactured by @aislerhq
#diysynth #sequencer #electronics

Whoah. Definitely building one of these https://youtu.be/w5SaJwnX9W0?si=HRMuBOKIbgdFxuYe #diysynth #eurorack

And it's done. All wires that had to be soldered are soldered. What a mess. In German we have a word for that: "Kabelsalat" (cable salad).
My black wires are empty now.
The power switch has screw posts, so I have to crimp some shoes on the cables. Next is tying them together and crimping the connectors on the other ends of all the wires -.-
#soldering #diysynth #electronics #sequencer #cablemanagement #kabelsalat

First wires soldered. For future projects, I'll design a common power bus. But I'll stick with this now.
All potentiometers and switches for the ten steps have been wired.
#diysynth #electronics #sequencer #soldering

All holes have been drilled and components inserted, except the LEDs - have to decide on the color first.
After that I'll have to wire it all up.
And then, when the PCB arrives, solder that up and plug everything together.
Still, it's a nice feeling to hold it in my hands like that and fiddling with the controls.
#diysynth #diyelectronics #electronics #synthesizer #sequencer

I think I have decided on the layout for the top part, with the inputs and outputs, power switch, and step selector. I still have to wait for the proper power switch to arrive, but this should work out.
#diysynth #electronics #enclosure #synthesizer #sequencer

#Drilling holes and test fitting the #enclosure for my 10 step #sequencer
On the front slope, there are ten #potentiometer, LEDs, and toggle switches. The LED fixtures are still missing.
On the top, unsloped part will be the step selector, inputs and outputs.
At the back side will be the power connector and the power switch.
#diysynth #synthesizer