# A myriad of modulators(Sonosus' painfully slow build progress)

**URL:** <https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336>\
**Category:** KOSMO MODULES\
**Created:** [April 8, 2021, 7:26pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336 "2021-04-08T19:26:02Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [April 8, 2021, 7:26pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/1 "2021-04-08T19:26:02Z")

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Hey everyone,

My next project is going to be a triple oscillator module using the Electric Druid VCDO.  
(cross post from mail day thread)  
What I’m hoping for is to have 3 of the Electric Druid VCDO chips, with one Wave CV input. Each oscillator will receive a slightly offset wave CV from the original - governed by another pot and CV input.  
(end of cross post)  
I’m just prototyping at the moment, no hard/fast decisions have been made yet so I’m open to ideas/criticisms.  
I’ve done a hasty block diagram:

 ![IMG_20210408_165716](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/7/77057d364063c1772175195d635b7a436d0d059c.jpeg)

Also I need a name for it:  
Wave-O-Matic?  
WWWOSC?  
Waveonator?  
WaveOPhone?  
I’m no good at making up names 🙃

Thanks  
Sonosus

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**Author:** ![THOGRE](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/thogre/32/5189_2.png) [@THOGRE](https://lookmumnocomputer.discourse.group/u/THOGRE)\
**Post date:** [April 8, 2021, 7:44pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/2 "2021-04-08T19:44:06Z")

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Hmmm what about Tripple OZz

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**Author:** ![BratAttack](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/bratattack/32/14401_2.png) [@BratAttack](https://lookmumnocomputer.discourse.group/u/BratAttack)\
**Post date:** [April 8, 2021, 8:10pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/3 "2021-04-08T20:10:14Z")

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3D-O-Matic?  
20chrrrrrrrrrrrrrrrrr

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**Author:** ![analogoutput](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/analogoutput/32/29663_2.png) [@analogoutput](https://lookmumnocomputer.discourse.group/u/analogoutput)\
**Post date:** [April 8, 2021, 8:45pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/4 "2021-04-08T20:45:47Z")

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[Swarm](https://lookmumnocomputer.discourse.group/t/cake-voice-project-lets-design-a-kosmo-voice-module-together/3213/53) (with credit to @heckseven)

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**Author:** ![BlackDeath](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/blackdeath/32/7644_2.png) [@BlackDeath](https://lookmumnocomputer.discourse.group/u/BlackDeath)\
**Post date:** [April 8, 2021, 8:47pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/5 "2021-04-08T20:47:20Z")

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Cool!

What’s the point of having the different offsets via CV? Are you expecting to play chords, or just thicken the sound?

Most “spread” I’ve seen is usually a single value, so for 3 oscillators, there’ll be one +offset and -offset to the same value. I can see having a CV on that be useful though.

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**Author:** ![heckseven](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/heckseven/32/23483_2.png) [@heckseven](https://lookmumnocomputer.discourse.group/u/heckseven)\
**Post date:** [April 8, 2021, 8:52pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/6 "2021-04-08T20:52:35Z")

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I haven’t forgotten about this. I tried out a few other layouts. I just didn’t want to distract from Cake any more than I already have.

 ![image](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/d/d8851b1e8a68f593dac89a552565c99913d16ac0.png)

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [April 9, 2021, 8:59am UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/7 "2021-04-09T08:59:35Z")

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Yeah, I’m just planning to thicken the sound(need more breadboards and 10k resistors to prototype 3 atm though!) because just one sounds a bit too ‘digital’ for my liking - analogue oscillators have a much richer sound. (imho).

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [May 24, 2021, 4:18pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/8 "2021-05-24T16:18:03Z")

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Okay, I’ve decided that there’s too much functionality in these chips to justify having 3 in a single module. I’m going to design an oscillator module, and then also a ‘Kosmic Superspreader’.  
It will have an input, 3 outputs (+,-, and mult)  
a CV input, a spread knob, and CV amount knob.  
Basically @BlackDeath 's spread concept, in a module.  
(The name for the single oscillator will be Kosmic Mutator 😀 )

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**Author:** ![BratAttack](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/bratattack/32/14401_2.png) [@BratAttack](https://lookmumnocomputer.discourse.group/u/BratAttack)\
**Post date:** [May 25, 2021, 5:53pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/9 "2021-05-25T17:53:01Z")

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> [@Sonosus](#):
>
> Kosmic Mutator

\<3

20chr, 20, 20, 20

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [May 25, 2021, 8:00pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/10 "2021-05-25T20:00:36Z")

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Falstad prototype of the spread module completed - now breadboard, blinkylights and a pcb.

 ![image](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/0/067e913bf1c8c1a86b128ee940443c4405b31bf4.png)  
edit: all resistors will be 100k, falstad just wants them equal.

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [June 11, 2021, 8:01pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/11 "2021-06-11T20:01:33Z")

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Inkscaping in progress…  
this

 ![image](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/4/4cd2121d5d14f6ddc17ba56d231886cb537094ea.png)  
or this?  
 ![image](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/9/9849f7eda3dfeea5e21dc8d06f9452244e22f1c2.png)  
I think the second one looks nicer but the first fits in with the font more(Terminator Two, if anyone is interested).

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**Author:** ![BlackDeath](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/blackdeath/32/7644_2.png) [@BlackDeath](https://lookmumnocomputer.discourse.group/u/BlackDeath)\
**Post date:** [June 11, 2021, 10:47pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/12 "2021-06-11T22:47:38Z")

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Second one, unless you google “kerning” and fix the first one 😉

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**Author:** ![analogoutput](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/analogoutput/32/29663_2.png) [@analogoutput](https://lookmumnocomputer.discourse.group/u/analogoutput)\
**Post date:** [June 11, 2021, 10:50pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/13 "2021-06-11T22:50:55Z")

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> [@Sonosus](#):
>
> Okay, I’ve decided that there’s too much functionality in these chips to justify having 3 in a single module. I’m going to design an oscillator module, and then also a ‘Kosmic Superspreader’.

You know, you can edit the title of the topic to match changing design decisions, just saying…

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**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\
**Post date:** [June 12, 2021, 5:51am UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/14 "2021-06-12T05:51:28Z")

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The first “A” is much nicer than the second one.  
But as @BlackDeath pointed out, there is way too much space between the T and the A, and it’s easy to fix (but I don’t know how to in Inkscape, but google knows)

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**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\
**Post date:** [June 12, 2021, 7:09am UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/15 "2021-06-12T07:09:28Z")

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Like @eric, i prefere the first one, but too much space

maybe something like this

 ![4cd2121d5d14f6ddc17ba56d231886cb537094ea](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/7/7c00ae621ab2a05eacee898e4a58bf26363cb624.png)

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [June 12, 2021, 3:00pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/16 "2021-06-12T15:00:33Z")

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![image](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/f/f78d0176be07b33a3b64d491b085de1ff5051ffd.png)  
Fixed! Thanks @BlackDeath, I am now not quite as bad at Inkscape as I was before.

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [November 15, 2021, 9:03pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/17 "2021-11-15T21:03:25Z")

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I designed a Kosmo version of Winterbloom’s Big Honking button.

![image](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/d/1/d119607556288992bee57a70569470c596497410.png)  
 ![image](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/a/4/a4a3763bee31720769c62dc0ac2749c596216ea0.png)

It’s a basic sampler that can be updated over USB.  
I’m planning on using one of these buttons:

> **[Big Dome Push Button - Red](https://coolcomponents.co.uk/products/big-dome-push-button-red)**
>
> DESCRIPTION It's the end of the world, and you need a button to press. This is it. A 98mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. Button can also...

More info to come tomorrow when I put it all on Github.

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [February 1, 2022, 9:10pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/18 "2022-02-01T21:10:48Z")

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Build update!  
Here are all my completed modules so far:

 ![IMG_20220201_201521](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/1/7/17b0ea511204e268509a03f1b72cb0816c1ddd85.jpeg)

Modules from left to right, top to bottom:

- Mutable Instruments CVpal, MIDI-CV converter. Konversion from the bargain [PCB](https://www.thonk.co.uk/shop/mutable-instruments-cvpal-pcb/) from Thonk.
- CEM3340 oscillator on stripboard with Sam’s layout. This was my first ever module and I blew at least 3 3340s while building and testing it.
- Simple “System 100” LFO. Built on stripboard from [this](https://www.reddit.com/r/synthdiy/comments/hsdijo/simple_roland_system_100m_lfo_diy_sharing/) popular layout. It’s a nice basic LFO for clocks and gates but not so much for modulation seeing as the amplitude changes as the frequency changes. I think I might design my own LFO to replace it - watch this space!
- @YMNK 's arpeggiator. This was working perfectly until I changed to the new busboard - now it only tunes across 2 octaves. Debugging is in progress.
- MS-20 VCF - on stripboard from Sam’s layout. I like it and it sounds good, but I’d like something a bit less… plain sounding. I like the sound of @sebastian 's transistor ladder so might give that a go but in the meantime I bought Sam’s funky filter so I could have a filter with a bit more character.
- Electric Druid ENVGEN8 chip on a scrap of stripboard. I only finished building it tonight and won’t show you the back because my soldering was absolutely hideous.
- 3340 oscillator on one of my breakout boards. Can’t say much about it other than the fact I couldn’t be bothered adding the square output along with the PWM controls so now it’s ended up like a Eurorack module.
- Kosmic Superspreader - my detuning module on a PCB - great for adding harmonics and octaves to a sound if you use 3 oscillators.
- Combined snare drum/hi-hat/noise hit and Noise Generator module. I don’t have a sequencer for drums (yet!) so can’t do much with the noise drum section however it’s fun to put white noise through the MS-20 filter and WahWah to make some nice Scottish weather sounds.
- @Ctorp 's k25 glide. It’s cool to use this as a filter with audio rate signals and also as a traditional glide module.
- K25 sub-osc. At the moment I’ve been using it as a clock divider with the arp and envelope generator - will post some sounds soon.
- @BlackDeath 's WahWah - a really good wah effect can be made with it (need to work on the LFO situation to get the most from it, methinks). I like putting it in the signal chain before the MS-20 filter to make said filter respond in different ways.

In the pipeline:

- VCDO - fully working, waiting for black paint to arrive for a panel.
- Kosmodulator - ordered from JLC yesterday.
- @Dave 's Farini ADSR - waiting for Tayda
- @BlackDeath 's full wave rectifier, mixer, and fuzz-EQ - all waiting for 100k resistors from Tayda.
- AI Synthesis pedal adapter - ordered from JLC
- @lookmumnocomputer 's mini midi keyboard - ordered from JLC
- Castor and Pollux/Big Honking Button - kind of stalled as I can’t figure out how to program the damn SAMD21 chip without a £300 programmer (yes I can buy the non-commercial version but I’d like to have the freedom to sell my own code on my own devices, thank you very much! If anyone knows of a way to program the SAMD series without splashing out, I’d be very grateful 😃 ). I’m thinking of having JLC do SMD assembly for this - has anyone else had success with their SMD service?

Here’s a pic of the back:

 ![IMG_20220201_201656](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/4/4/447ae0ad5b228bbd9648a853172afe3f6627a3de.jpeg)  
And the new power switch:  
 ![IMG_20220201_201627](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/e/1/e15e21d1a48546aa7f9e51174faae56e14f13f8e.jpeg)

Cheers

Edit: @CTorp I used a polarised cap on your glide module where it says non-polarised on the PCB… A quick look at the schematic tells me I should be OK so long as I don’t feed it any negative voltages, correct?

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**Author:** ![BlackDeath](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/blackdeath/32/7644_2.png) [@BlackDeath](https://lookmumnocomputer.discourse.group/u/BlackDeath)\
**Post date:** [February 1, 2022, 9:24pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/19 "2022-02-01T21:24:39Z")

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Yessssss! Let’s hear it!

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**Author:** ![Sonosus](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/sonosus/32/13679_2.png) [@Sonosus](https://lookmumnocomputer.discourse.group/u/Sonosus)\
**Post date:** [February 1, 2022, 9:25pm UTC](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336/20 "2022-02-01T21:25:53Z")

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Lol first I need to fix my good PC so it can run my DAW… That’s another thread in itself. I’ll try and hack something together this weekend.

[Next page](https://lookmumnocomputer.discourse.group/t/a-myriad-of-modulators-sonosus-painfully-slow-build-progress/3336.md?page=2)
