The Next FM-1? Ambient Drones on a $35 Cardputer

video upload by substatica drones

You can find the on M5Stack Cardputer Amazon. See the M5Stack label for additional posts.

"Could the $35 M5Stack Cardputer be the next FM-1? With open-source firmware, this tiny computer can become an experimental music machine capable of generating rich ambient drones. Diviner is one such firmware, a Daedric / Lain-core skinned companion firmware for the M5Stack Cardputer ADV, booted by the Launcher. Sixteen "rites" across four domains — sound, sight, the wired, and wards — in one blood-and-ember aesthetic, with a hand-rasterised Daedric glyph font.

Diviner Firmware - https://github.com/numbpill3d/cardput...

The Cardputer-Adv is a card-sized, versatile programmable platform powered by the Stamp-S3A module with ESP32-S3FN8 core processor. With its 1.14" LCD display and an intuitive 56-key keyboard, the Cardputer-Adv offers easy interaction and seamless command entry for a wide range of applications.

Advanced Audio Features
Equipped with high-quality audio components, the Cardputer-Adv includes an ES8311 codec, a precision MEMS microphone with a superior signal-to-noise ratio, an NS4150B amplifier circuit, and a 1W speaker output. For enhanced audio flexibility, it also features a 3.5mm headphone jack for external audio devices.
------------------------------------------------------------------------------------
00:00 - Intro
00:01 - M5Stack Cardputer Adv Stamp-S3A with ESP32-S3FN8 3.31" x 2.13" x 0.78"
00:06 - M5Launcher Application Launcher
00:12 - Diviner Firmware A Daedric / Lain-core Companion
00:16 - 5 audio/video related "rites" (16 in total)
00:21 - DRONE Generative drone box
00:28 - 5 drifting voices, resonant LP, wind, bells, dark delay
00:55 - Toggle wind level boost (N)
01:37 - Toggle bell level boost (B)
02:00 - Scale modes (1-6)
02:26 - Root note (A-K)
02:59 - Octave down/up (Z, X)
03:26 - Light and drift (Arrow Keys)
03:35 - Toggle hold/flow (Space)
05:49 - SEQ Groovebox with kick/snare/hat/acid
06:04 - BEAT C expression bytebeat livecoder
06:17 - WIRED Ambient digital visualizations
06:52 - VISIONS Ambient organic visualizations"

Shoyu Station: A Generative Ambient Fish Synth

video upload by Rarebeasts

"Shoyu Station is a generative ambient instrument I’ve built inside a 3D printed fish.

Twist the snout to pick a creature, press the button to drop it in the tank. Each creature makes its own layer of sound: whale calls, deep ocean drones, bubble melodies, slow tidal swells. Add a few and they build up and drift around each other. A small screen inside the fish shows the creatures swimming about.

It runs on an ESP32 with a small TFT screen, a pot for the snout and a single button.

What creature would you like to see in the tank? Tell me in the comments."

Can you build a playable synthesizer in a single afternoon?

video upload by Illegal State Of Mind

"Can you build a playable synthesizer in a single afternoon? Here's my attempt: a DIY synth built from a basic ESP32 I had lying around.

At its heart is a DCO: a digitally controlled oscillator. The waveform isn't generated in code. It comes straight from the PWM outputs, while the code only sets the pitch, pulse width and modulation. The result is a fat, raw, monophonic sound with accurate notes and no tuning headaches.

How this ESP32 synth works:
• Two PWM signals from GPIO 18 and 19
• A simple resistor mixer and a capacitor on the output
• MIDI input built around a 6N137 optocoupler, three resistors and a socket (powered from the ESP32 board)
• Pitch Bend and Modulation over MIDI
• Pulse width and detune of the second oscillator controlled by knobs

What this synthesizer doesn't have (yet): an envelope, polyphony and a filter. They can all be added later in the analog part of the signal path, and I'll start working on them soon."

Beijing Modular 10/26/26 Videos

video uploads by sonicstate

Latest videos for the day. See the Modular Commune label for more.

Playlist:

1. Heisenberg Zynthian Workstation- Beijing Modular 26

Jarrod from Heisenberg told us about the OFAI Music Workstation and a handmade wooden MIDI controller.

The workstation is a custom small Linux-based unit with audio outputs and MIDI. It runs open-source software from the Zynthian platform, with additional presets made by Jarrod. The hardware is a a custom development by the team, and it supports MIDI synths, plug-ins and multi-timbral sequencing.

The wooden controller works as a generic control surface and is not for sale, more just as a DIY project by Jarrod. Parameters are assigned with MIDI Learn, so knobs and buttons can control selected synth or effect parameters. In the demo, a USB MIDI cable connects the controller to the workstation. The system can run drums, hi-hats and riffs on separate tracks, and selecting a track gives access to further parameters. A MIDI latch function holds notes while parameters are adjusted.

The OFAI Workstation is sold in China for 3,700 RMB. The wooden controller is handmade and is not for sale. More Info: https://zynthian.org

2. 30k - Nyoka - Magnetic Field Noise Generator - Beijing Modular 26

Yang from 30K told us about their NYOKA Magnetic Field Noise Generator, a small experimental sound device that turns electromagnetic interference into audio control signals.

The unit senses magnetic field signals and uses them to modulate an internal oscillator. It can also be played by touch, with fingers routing signals to different points in the circuit. The device includes multiple switches for changing operating modes, selecting oscillator or inductor output, choosing where the magnetic field signal routes, and altering routing inside the oscillator.

The unit runs from USB-C power and outputs audio via a 3.5mm TRS jack. It responds strongly to nearby power sources, with different electrical equipment producing different responses. Yang also mentioned that it works well with external reverb and delay.

The device is available for 229 RMB.
He also showed a magnetic field amplifier with 1000x gain and a small Meow Box synthesizer that produces cat sounds - I mean, why not?

3. 203 Systems - Mystrix 2 MPE Grid, Cardenza - tiny hackable music computer- Beijing Modular 26

Nengzhuo Cai from 203 Systems had some pretty cool units to show, first up is about Mystrix 2, a wireless MPE grid controller, and two compact music devices. Mystrix 2 is the latest generation and runs its own OS, so applications can be installed directly on the hardware without a computer.

Mystrix 2 acts as a MIDI and control-data source. It includes MPE keyboard apps, chord, arpeggiator, scale and custom scale tools, split-screen operation, an eight-track sequencer, clip mode and a mixer. The sequencer supports 16 patterns with 16 steps. It has three full-feature USB-C ports for charging, computer connection or accessory boxes, plus CV and MIDI adapters. A hidden side touch slider supports functions such as strumming.

Next up is *Cardenza, *a $20 open-source ESP32 S3 music computer with Wi-Fi, Bluetooth 5, microphone, SD card, app installation and web coding support. You can run your own programs on it, and even browse the web (assuming you can code your own browser!)

Then the NULLperator is a tiny eight-track tracker with audio I/O, TRS MIDI I/O, microphone, speaker and battery. Mystrix 2 is expected for Kickstarter at around $500, while NULLperator is expected around $300, with free iOS and Android apps available.

More Info: https://203.io/ |--------|

4. SPI1: Mini Multi-function Game-style Modules - Beijing Modular 26

We spoke to Lei and the team behind *SPI1*, a compact modular music workstation built around a “micro universe” concept. They explained that the project uses a game-like interface for creating music, with visual design, touch controls and interchangeable hardware modules forming part of the workflow. SPI1 features a square-format touch bar with 12 control keys. Projects can start from blank templates or preset styles, and the system supports user-made templates. The team plans to release an SDK for third-party development, covering modules and internal software. The instrument includes a DSP synth system where timbres are organised as “plants”, with scale selection, generative music modes and four-channel pattern recording. A map-style interface contains sound machines, including chord and wave-based devices. External interaction comes through probes for wind, magnetic signals, audio signals and other inputs. The modular hardware includes interfaces such as joystick, DJ turntable, drum pad, fader and marble-based controllers. An audio sequencer module can trigger external devices and lights. SPI1 is currently a prototype, with a Kickstarter planned for spring next year. Pricing has not yet been confirmed.

5. Erica Synths: Graphic Sequencer - Beijing Modular 26

Ģirts from Erica Synths gave us a look at the Graphic Sequencer a new Eurorack module currently in production.

The Graphic Sequencer is a compact hub for sequencing and modulation. It has 10 steps (with a planned 16-step expander) plus CV and gate outputs and three modulation outputs. Those outputs support envelopes, delay-based envelope types, user-drawn multistage envelopes, LFOs, random walk, Euclidean sequencing and chord CV duties across multiple oscillators.

Magic mode changes an existing sequence in real time, with controls for note variation, octaves, density, gates and slides. Returning from that mode clears the edit buffer. The Euclidean section works with an 8-channel expander, and hits can be added manually with the encoder.

The module is expected in about a month, priced around €300.

6. Theresyn - Beijing Modular 26

We spoke to Nori about Theresyn, a handmade fully analogue theremin synthesizer. He explained that it uses the familiar theremin approach, with the left hand controlling amplitude and the right hand controlling pitch, but adds extra control and acoustic elements.

Xin then demo'd the pressure-sensitive touch pad, which controls oscillator amplitude and can also trigger an ADSR envelope. Theresyn has two oscillators, with mixing between the theremin voice and an internal oscillator. Antenna tracking can be set to none, partial or full, allowing one oscillator to act as a drone or follow the pitch hand.

The synth also includes selectable waveforms, filter modes including low-pass, resonance, pitch-to-filter tracking and amplitude modulation of the cutoff. Its speaker system includes a front loudspeaker and rear resonating strings, with a pickup for the string output. There is no pitch quantizer, and pitch remains continuous. The pitch range can be tuned to the player's body capacitance.

Theresyn is handmade, available to order from the website, and the full version with bag costs €3,000.

More Info: https://theresyn.com/

7. PUFF Eurorack Breath Controller - Beijing Modular 26

We spoke to the team behind Puff V3 about the Puff breath controller project, which began in 2024. They explained that the current wired V2 has the same core functions as the planned V3, while the V3 moves to wireless operation.

Puff converts breath into control voltage for modular systems and synthesizers. It can control pitch, cutoff, resonance and other modulation destinations, depending on the patch. The system supports up to four CV outputs and one MIDI output. USB-C connects to a computer or laptop for MIDI, so it can control software and hardware at the same time.

The controller is held in the mouth, leaving both hands free for instruments such as guitar or piano. The team also discussed a future mouth ring or bite control for sustain-style input. The prototype is built, with release planned for June next year, and the project launches on Kickstarter.

Mynah Update: Synth Voices and Per-Voice Arpeggiators

video upload by MoShang

"With the V1.5 firmware update the Mynah sampler can now make its own sounds. This firmware update adds Plaits synth voices and gives every voice its own arpeggiator.

Get a Mynah at https://groovesizer.com
Update the firmware at https://mynah.groovesizer.com/

#mynah #Groovesizer #Sampler #Synthesizer #Plaits #Arpeggiator #ESP32"

RudeBox - Drum Synthesizer

video upload by Illegal State Of Mind

"RudeBox is a DIY single-voice drum synthesizer built around an ESP32-A1S.

BUILD YOUR OWN RudeBox! https://jakubthedeveloper.github.io/R...

It started as a simple synth-tom experiment, but gradually evolved into a much more flexible percussion synth capable of producing deep kicks, toms, short noisy hits, laser-like sounds and all kinds of strange electronic percussion.

RudeBox is played dynamically from an external drum pad, with hit velocity affecting the generated sound. Its controls allow shaping the oscillator, pitch envelope, amplitude decay and transient click/noise:

• Sensitivity
• Oscillator Pitch
• Shape — triangle → square → pulse
• Pitch Drop
• Envelope → Pitch
• Decay
• Click Level
• Velocity → Amplitude

In this demo I’m using RudeBox together with:

• *Novation Bass Station II* — bass / synth lines
• *Korg Volca Sample* — additional drums and samples
• *Allen & Heath ZEDi-10* — mixing everything together

The idea behind RudeBox was to build something simple, immediate and playable rather than another menu-driven digital instrument. Despite running on an ESP32, it behaves much more like a small piece of dedicated hardware: plug in a pad, turn the knobs and play.

CLICK FOR MORE »

Samplotron Keypad Version – DIY ESP32 Sampler & Loop Player | Live Demo

video upload by Illegal State Of Mind

"Meet the keypad version of Samplotron — my DIY hardware sampler and loop player built around the ESP32.

In this demo I’m using Samplotron to trigger samples and loops live. Some of the sounds are my own recordings, while others come from publicly available sample sources.

What you hear is the direct audio output from Samplotron — no post-processing, EQ, compression or additional effects were added to the recorded audio track.

You can also see another one of my DIY projects in action: a small oscilloscope I built, displaying the audio waveform in real time.

Want one? Build your own!
Full interactive build guide:
https://jakubthedeveloper.github.io/S...

Source code and project files:
https://github.com/jakubthedeveloper/...

Hashtags:
#Samplotron #DIYSampler #HardwareSampler #Sampler #LoopPlayer #ESP32 #ESP32Audio #DIYSynth #SynthDIY #DIYMusic #ElectronicMusic #SampleBasedMusic #LiveSampling #MusicTechnology #AudioElectronics #EmbeddedAudio #OpenSourceHardware #OpenSource #DIYElectronics #Oscilloscope #HardwareMusic #ExperimentalMusic"

ESP32-S3 Polysynth Complete and looking sweet!

video upload by Bad Dog Designs

"The final video for the build of my ESP32-S3 poly synth, shows it fully cased in its 3D printed houses! I also mixed the OSPRAY-8 percussion synth I made last year into some of the tracks.

Did a full write up here:

https://esp32polysynth.blogspot.com/2...

Explains what everything does, how it works and how it's put together. Links to the project files:

https://github.com/Bad-Dog-Designs/ES...

https://github.com/Bad-Dog-Designs/Os...

Need a new project...!"

Playing Light Like an Instrument — Open-Source LED Synthesizer

video upload by engmung

Note 1:43 in the video. Patternflow can be used as a controller via OSC.

"Patternflow is an open-source LED synthesizer — a 128×64 HUB75E matrix driven by an ESP32-S3, with four knobs wired straight into the pattern math. Turn a knob, and the pattern bends with your hand.

▶ Get one — Patternflow on Crowd Supply: https://www.crowdsupply.com/engmung/p...

Everything is open source: STL files, Blender sources, PCB gerbers, and firmware. The full build runs around $100 depending on where you order parts.

— What's in the video —
0:00 This is Patternflow
0:08 How it works
0:26 Build your own (~$100)
1:04 Make patterns in your browser
1:42 OSC — a pocket-size VJ rig
2:03 Why it's open source

Patternflow began with Nam June Paik's Participation TV (1963), the first work where the audience could touch the image. I wanted to go one step further — so I built an instrument where you make the image yourself.

The full story, from Paik to Patternflow:
https://patternflow.work/journal/nam-...

▶ Try it in your browser (no hardware needed): https://patternflow.work
▶ Build one — all files + build guide: https://github.com/engmung/Patternflow
▶ Join the builders — Discord: / discord
▶ Patterns, daily: / patternflow.work


Patternflow is sponsored by PCBWay.

#esp32 #ledmatrix #opensource #synthesizer #diy #maker #hub75 #mediaart"



Details:

Standalone LED visual synth with 4 rotary encoders and 128x64 RGB LED matrix (8,192 pixels).

Runs on ESP32-S3 with all generative visuals rendered live in real time.

Bidirectional wireless OSC support for Ableton (Max for Live) and TouchDesigner.

Internal hidden battery bay for cordless portable performance.

Over 150 community-created patterns and browser simulator.

CLICK FOR MORE »

ESP32 D-50 Synthesizer - A Roland D50 CLONE with ESP32

video upload by László Róbert Kasza

"An ESP32-powered hardware synthesizer project based on the classic Roland D-50 architecture.
https://www.facebook.com/profile.php?..."

Polyphonic D50 sampler synthesizer with ESP32 in YAMAHA DX21 Hardwer :)
video upload by László Róbert Kasza

"Unfortunately, the motherboard of my dx21 synth is broken beyond repair. So she got new electronics. I have uploaded a code I wrote using Roland D50 sound samples.
So what everyone feared has come true. The Yamaha Roland DX-D50-21 :)

Abilities:
-4 d50samples
-TVA Envelope
Course, Fine, Keyfollow
-The sampling frequency is 48000Hz.
Signal on 16 bits or more
-The device is polyphonic up to 10 tones
2 LFO controlled 2 parametric EQ
-Upper Lower Choruse
-Reverb engine
-Roland D50sysex compatibility...
-hd44780 compatible LCD Display (Not implement more)
-https://data.dynareg.se/breadandbutte...
(If we are bored, we can listen to internet radio on it.)

https://github.com/kaszarobert1/ESP_D...
More FM firmware:
https://github.com/kaszarobert1/-ESP3...
Yamaha DX21 KeyMatrix Arduino Due Firmware:
https://github.com/kaszarobert1/yamah..."

ESP32-S3 Polysynth - Absolutely rocking it!

video upload by Bad Dog Designs

"An update on the ESP32-S3 Polysynth build.
I've got the sound engine working really well, and it now has patch storage and retrieval, along with 2 wavetables - .wav files loaded off an SD card.

Next up is making it look pretty to match the sounds it can make!

In the video, all the sound is out of the back of the DAC, but as the synth is not multitimbral ( the ESP32 would melt ) I've multitracked a couple of tunes to demo the sort of sounds it can make.

Headphones on, and bonus points if you can identify the tracks!!"

Indtroducing AcidBoxMynah

video upload by MoShang

"AcidBoxMynah is an alternative firmware that turns the Mynah into an acid groovebox. Based on the open source AcidBox project for ESP32. It provides an acid combo of tb303 + tb303 + tr808 like synths. Filter cutoff, reso, env mod, accent, wavefolder, overdrive within each 303, per-instrument tunings, hi-pass/lo-pass filter and bitcrusher in drums, send to reverb, delay and master compression

While the original project is headless, the AcidBoxMynah fork provides direct control with the Mynah hardware and adds a number of additional features detailed in the user Manual below. Like the original firmware, the AcidBoxMynah is open source and made available under the MIT license.

More info at https://groovesizer.com/"

Update: press release follows:

"Hot on the heels of Mynah's launch this past May, Groovesizer has released AcidBoxMynah - a free, open-source alternative firmware that transforms the ESP32-S3-based sampler into a dedicated acid groovebox.

Built on copych's open-source AcidBox project, AcidBoxMynah takes what was originally a headless engine and gives it a full physical UI on Mynah hardware - 24 tactile switches, an 8×2 NeoPixel grid, OLED display, and a single pot for hands-on parameter control. Under the hood, it's a combo of two TB-303-style synths plus a TR-808-style drum machine, with filter cutoff, resonance, envelope mod, accent, wavefolder and overdrive per synth voice, plus hi-pass/lo-pass filtering and bitcrushing on the drums, all routed through send effects and master compression.

The Mynah fork adds a 16-step sequencer with per-step note, accent and slide editing, 16-lane synth and 8-lane drum automation, scale quantization, swing, and manual Sequencer Mode in addition to the original's autonomous Jukebox Mode. Quality-of-life additions include runtime drum kit browsing, per-voice muting, and pot-lock to prevent accidental parameter jumps.

Like the original AcidBox, it's fully open source under MIT license.

Switching is effortless. Owners can flash AcidBoxMynah straight from the Mynah web app's firmware tab and swap back to standard Mynah firmware anytime - AcidBoxMynah keeps its own folder on the SD card, so nothing overwrites or conflicts with existing samples and patterns.

AcidBoxMynah is available now at groovesizer.com/acidbox-mynah."

Please steal this FM synthesizer UI idea (ESP32-P4 DIY FM synth)

video upload by Floyd Steinberg

"I built a simple 4 operator FM synthesizer using Elecrow's 10.1 ESP32-P4 smart screen ( https://tidd.ly/4yIlbuX ). Nothing groundbreaking, but I want to show you an UI idea I had, and if you're convinced, please start using it in your FM synths.

00:00 hi, what's this?
01:03 ESP32-P4 panel features
02.47 How to install ESP-IDF 5.4.4 in Visual Studio Code
04:29 A problem with common FM synthesizers
06:13 Reminder: FM principles
06:43 My UI idea
08:22 Sound demo
09:10 Conclusion

Thanks, www.elecrow.com

HÄLP ZIS CHANNEL
https://www.patreon.com/floyd_steinberg
https://floydsteinberg.gumroad.com/
https://floydsteinberg.bandcamp.com/"

ESP32-S3 Synth project - Sound Demo

video upload by Bad Dog Designs

"This clip shows some of the range of sounds the synth produces. The Architecture is natively stereo, so put your headphones on!

I've added patch recall and storage via SD card, and got the arpeggiator running, so some of the sounds in the clip are just the arpeggiator, and I then adjust gate length / release / frequency etc.

Got a couple of little bugs to work on, but I'm pretty pleased with how it's progressed to date! Hope you enjoy the sounds :)"

ESP32 Monster Synth - Further testing

video upload by Bad Dog Designs

"Apologies for the poor sound quality - just recorded with my phone.

The synth is pretty well complete as a prototype - 6 oscillators, Routing matrix, Patch / wavetable loading and storage.

Working on the Arpeggiator code next"

ESP32-S3 Synthesizer development continued! Routing matrix fitted.

video upload by Bad Dog Designs

"Carrying on from the initial clip, the Synth has now got its routing matrix on the CAN bus, so I can assign various modulation sources ( LFO1 / LFO2 / ADSR / Velocity / Mod wheel ) to any global destination ( Resonance / Frequency / Level / LFO2 / Unison Detune ) or any of the parameters for any of the oscillators - up to a maximum of 12 separate routes.

It's also Stereo now, so each oscillator has Pan control as a new addition.
All the audio in the clip straight out the back of the DAC on the ESP32 :)

Next step, I've added an SD card to the ESP32 so there will be patch storage, and also the ability to change wavetables, as it currently just uses a single Sinewave generated at startup.

All open source, files on Github https://github.com/Bad-Dog-Designs/ES..."

AMYboard - the $29 DIY modular synth running Python.

video upload by Brian Whitman

via Brian Whitman of AMYboard

"Today, we’re launching a new music hardware platform! Meet the AMYboard, a 10HP modular-sized synthesizer brimming with inputs and outputs for digital and analog audio, MIDI, and two CV channels. The AMYboard firmware runs Micropython, and can be controlled and programmed over the web, where you can share your own creations with others. You can also use AMYboard in Arduino to create music devices of your own design. It’s only US$29.90 - a very inexpensive way to get started making your own modular-capable synths. It can be powered over USB or a 10-pin modular power cable, and comes with a 10HP laser-cut faceplate. You can buy one today!

AMYboard is powered by AMY, the synthesis and effects toolkit that DAn Ellis and I have been working on for the past few years. AMY is a beautiful-sounding, efficient re-creation of classic analog synths – like the Juno-6 – and FM synths – like the DX-7. It can also act as a sampler, play WAV files, or let you make your own synthesizer setups in code from bare oscillators, effects, and filters. AMY is open-source and runs on all sorts of hardware. It already powers some neat synths like the Diapasonix, the Spark, and our own Tulip Creative Computer. AMYboard is our “reference hardware” for AMY - running the same ESP32-S3 as Tulip with 8MB of RAM, but with new features including both analog and S/PDIF (digital) audio input and output, enabling live effects, sampling, and filters. We’ve also added an SD card for sample storage, and an I2C host port for connecting your own displays and knobs!"

AMYboard launches with AMYboard online – a web based simulator and control surface for the AMYboard. You can experience AMYboard online before even buying an AMYboard. AMYboard online runs the same core engine as the AMYboard hardware (ported to WebAssembly) so you can set up and interact with the synthesizer over the web. When you’re ready, you plug in your AMYboard, download your patch, or control it in real time over the web, including the capability to edit and store code on your hardware that will boot up the next time you turn it on. AMYboard’s default firmware allows anyone to code their synth creations in MicroPython running on the hardware; the AMY synthesis engine itself runs in bare-metal C, but you can load your own “sketches” onto the board to build complex environments. For example, here’s a generative house track with a Derrick May custom “WOODPIANO” FM patch. Or here’s a TB303 + 808 acid setup. Or add a filter and reverb to a DX7 patch. AMYboard online also comes with AMYboard World, an online community for AMYboard users to share sketches with each other. We’re really excited to see your cool creations, please do share them!

See Brian Whitman's full post on AMYboard for additional details and links.

TBD 16 teaser #superbooth26 #dadamachines #tbd16 #dsp #esp32 #groovebox #electronicmusic #synth

video upload by dadamachines

"Get ready for Superbooth 26! 🚀

Here's a sneak peek at the TBD 16 from https://dadamachines.com/ , a powerful new DSP-based groovebox and synthesizer powered by ESP32.

Come see us at Booth Z385 to see the TBD 16 in action. You won't want to miss this!"

CLICK FOR MORE »

ESP32-S3 PolySynth - Work in progress

video upload by Bad Dog Designs

"This is a fully functioning Polysynth using an ESP32-S3 to model the audio in real time, from an initial single Sine wavetable calculated on power up. The control panels for the oscillators and common controls all use CAN bus to communicate parameter changes to the audio engine - rather than wiring up a lot of IO, it just sends a message like 'Change oscillator 3 to Sawtooth'

Basic spec so far:

6 oscillators in 3 pairs that have Sine / Triangle / Saw / Pulse / Noise and Chaos waveforms. There are then independent wave folding modifiers and Sample and hold modifiers. Each oscillator pair can also be hard sync'd to it's partner for mono use, or FM modulated.

Common controls have ADRS envelope control, High / Low / Band pass filter with Envelope and tracking control. Ring modulator and Play mode selector for Unison / Duo / Poly. 2 re-triggerable LFO's with delay.

Currently working on the routing section that will allow pretty well anything to modulate anything else stored as separate routes - up to 12 routes can be applied at once. Then patch storage and recall, and hopefully some nice analogue FX at the end.

In the clip, all the audio is straight out the back of the DAC with no processing or FX."

Prototype 2 of VåldLabs' "Rekke"

video upload by Våld Labs

"Rekke will be a hands-on experince, something new to make artists surpass the creative block through innovative sequencing tools and workflow.

This is an early prototype showcasing one of 8 channels, and 8 of 9 displays. Non-linear sequencing with Trigger repeat, note, division, length are shown"

Våld Labs Rekke at Synth Geekery #sequencer #diysynth #synth #electronicmusic

video upload by Våld Labs

Looks like the Consequencer posted here.

"Shout out to our aussie friends at Renzee podcast Synth Geekery for the kind coverage of our Rekke! #diysynth #techno #synth #sequencer #electronicmusic #synthesizer #arduino #3dprinting #esp32 #music"