The 2020 Show Us Your DIY Builds Thread!

From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive!

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asymptote
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by asymptote » Mon Sep 14, 2020 6:11 pm

ashleym wrote:
Mon Sep 14, 2020 2:37 pm
They appear to have reverb on all the Voltrons (they dont but it just looks like it!)
I'm confused. On the panels shown on the Elby site I see reverb modules on only the 4 & 6. I have the original Vintage Voltron panels for both the 4 and the 6 (my 4 remains unbuilt); the original 4 also has reverb, whereas the orignal 6 does not. Are you saying the new 6 also lacks reverb? That would be a shame because reverb would work so nicely alongside the matrix mixer, the ResEQ, and the VCM. I mean srsly feedback madness!

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by autodafe » Wed Sep 16, 2020 1:46 am

Opera Rotas by Spherical Sound Society :-)

Image

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by sduck » Thu Sep 17, 2020 9:02 pm

another christmas ornament
IMG_2641 2.jpg
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Rex Coil 7 » Fri Sep 18, 2020 1:57 am

sduck wrote:
Thu Sep 17, 2020 9:02 pm
another christmas ornament

IMG_2641 2.jpg
How many Plaits does that make now ..... ?

:mrgreen:
5U NORMALIZING PROJECT (for your entertainment) viewtopic.php?t=78836&highlight=

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by AlanP » Fri Sep 18, 2020 7:48 am

What would a dreadlock VCO sound like? :)

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by forestcaver » Sat Sep 19, 2020 4:29 pm

4hp, 2-sections of Blinds (I messed up with the panel but will redo it next time I order - panel design photo is at the bottom!). Works really well. Can chain an unlimited number together as well....
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Dr. Sketch-n-Etch » Sat Sep 19, 2020 10:18 pm

I designed and built a quantizer based on analog circuitry. The heart of it is a "folding ADC." Here's a brief video. There's more info in my "Something New" thread. I haven't panelized it yet -- maybe tomorrow.

They always said I would be nothin' but a fishhead -- look at me now!

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Soundbrigade » Sun Sep 20, 2020 4:20 am

Have been into "synthesizers" since 1973-74 when I was on my way to build the Psych-Tone and have managed to fill my small apartment and store in the basement with various stuff not only synthesisers and modules (tube amps and corset material).
But here are some of my ongoing projects (some been going on for a loooong time).

The MFOS Soundlab has been rebuilt MANY times and I am considering making a yet smaller panel.
Soundlab.jpg
The MFOS 2x16/1x32 step sequenzer (maybe add quantizers).
sequenzer.jpg
And my big project, a rather randomly collected modules and I am not finished yet. Mix of Yusynth's, MFOS', CatGirlSynth's and others. Panels are nonstandard (have free access to the metal).
modular.jpg
First post and am I nervous ... :hail:

PS. Got a Behringer Crave, Mutilated Instruments Anushri (not Mutilated??), a Radio Shack MG1 and a Polivoks ... and a Soundlab Mk2 :roll: .
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by monstrinho » Sun Sep 20, 2020 11:30 am

Soundbrigade wrote:
Sun Sep 20, 2020 4:20 am
Have been into "synthesizers" since 1973-74 when I was on my way to build the Psych-Tone and have managed to fill my small apartment and store in the basement with various stuff not only synthesisers and modules (tube amps and corset material).
But here are some of my ongoing projects (some been going on for a loooong time).

The MFOS Soundlab has been rebuilt MANY times and I am considering making a yet smaller panel.

Soundlab.jpg

You COULD make it smaller, but it looks perfect to me. Nice amount of access to controls and actually visually accessible as well. Plus it's avocado green!

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by elmegil » Sun Sep 20, 2020 12:30 pm

Soundbrigade wrote:
Sun Sep 20, 2020 4:20 am
The MFOS 2x16/1x32 step sequenzer (maybe add quantizers).

sequenzer.jpg

WOWOW

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Dr. Sketch-n-Etch » Sun Sep 20, 2020 10:15 pm

Hey Soundbrigade, nice work! That looks a lot like how I got started in modular DIY. In fact, I still have my MFOS Sound Lab mini-synth, installed on a wooden clipboard with a blue paper panel and stooge brackets made from a cereal box.

Incidentally, my quantizer would be perfect for your 32-step MOFO sequencer. Give us a PM if you think you might want one. $25 for the PCB, $75 stuffed and tested and calibrated, $125 for the complete module (as shown below) + shipping.

Here are some pics of the final module, which I threw together this morning:
QuantizerFront.jpeg
QuantizerBack.jpeg
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Soundbrigade » Tue Sep 22, 2020 2:18 am

Thanks guys for your thumbs up. ;)

Mrs K (the missus) who lives in Chicago is back to me in Sweden and as my flat is small I have to postpone all projects until she returns to the States. Then I have to deal seriously with the halfbuilt stuff I have.
The 32-stepper may look impressive but I think Ray Wilson's other sequenzers are as complex or even "worse". It's built on some kind of plastic material for panels and signs, but is sturdy enough. A guy on the Swedish forum for electronics made the panel for me. The small boards on the potentiometers are drivers for the LEDs.
IMG_0755.JPG
I have two quantizers for my modular machine, assembled from Barton's kits and I am experimenting with an ATtiny to make my own (as well as try if I can produce other stuff like LFO's, ADSR's and various noise/random voltage modules. So Dr. Sketch-n-Etch, thanks a lot for your offer, but I will see what my fiddling with the Arduino-stuff will bring.

Making noise is always nice so I made the Noise Toaster for my grandson and his sister and must build two more for the granddaughters in USA and another grandson here in Sweden. I AM old - turned 67 a month ago, have had a man in black whispering in my ear twice, so that's why it is so important to start as many projects before he returns. :-O
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Due to economical cutbacks, the light at the end of the tunnel has to be switched off.

/Magnus

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by roglok » Tue Sep 22, 2020 3:03 am

Soundbrigade wrote:
Sun Sep 20, 2020 4:20 am
But here are some of my ongoing projects (some been going on for a loooong time).
Very cool. I like the DIY paperface look. No mounting holes on the panels?

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by devinw1 » Tue Sep 22, 2020 5:50 pm

Dr. Sketch-n-Etch wrote:
Sat Sep 19, 2020 10:18 pm
I designed and built a quantizer based on analog circuitry. The heart of it is a "folding ADC." Here's a brief video. There's more info in my "Something New" thread. I haven't panelized it yet -- maybe tomorrow.

Nice, thanks for posting! That was informative and fun. I hadn't ever heard of a Mancini rectifier before. That's a very simple and elegant FWR design!

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Dr. Sketch-n-Etch » Tue Sep 22, 2020 9:37 pm

devinw1 wrote:
Tue Sep 22, 2020 5:50 pm
Nice, thanks for posting! That was informative and fun. I hadn't ever heard of a Mancini rectifier before. That's a very simple and elegant FWR design!
Hey, your welcome, devinw1! But, what does "FWR" mean? That's one TLA (three-letter abbreviation) that I'm not familiar with.
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by nigel » Wed Sep 23, 2020 12:11 am

Dr. Sketch-n-Etch wrote:
Tue Sep 22, 2020 9:37 pm
devinw1 wrote:
Tue Sep 22, 2020 5:50 pm
Nice, thanks for posting! That was informative and fun. I hadn't ever heard of a Mancini rectifier before. That's a very simple and elegant FWR design!
Hey, your welcome, devinw1! But, what does "FWR" mean? That's one TLA (three-letter abbreviation) that I'm not familiar with.
Full Wave Rectifier, I would guess.

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Soundbrigade » Wed Sep 23, 2020 1:02 am

roglok wrote:
Tue Sep 22, 2020 3:03 am
Very cool. I like the DIY paperface look. No mounting holes on the panels?
Not yet ... Will be the day I start assemble my rack :hmm:
Due to economical cutbacks, the light at the end of the tunnel has to be switched off.

/Magnus

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by devinw1 » Wed Sep 23, 2020 11:15 am

nigel wrote:
Wed Sep 23, 2020 12:11 am
Dr. Sketch-n-Etch wrote:
Tue Sep 22, 2020 9:37 pm
devinw1 wrote:
Tue Sep 22, 2020 5:50 pm
Nice, thanks for posting! That was informative and fun. I hadn't ever heard of a Mancini rectifier before. That's a very simple and elegant FWR design!
Hey, your welcome, devinw1! But, what does "FWR" mean? That's one TLA (three-letter abbreviation) that I'm not familiar with.
Full Wave Rectifier, I would guess.
Haha! Yes! Sorry, I'm addicted to TLAs! :D

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Dr. Sketch-n-Etch » Thu Sep 24, 2020 11:16 pm

devinw1 wrote:
Wed Sep 23, 2020 11:15 am
nigel wrote:
Wed Sep 23, 2020 12:11 am
Dr. Sketch-n-Etch wrote:
Tue Sep 22, 2020 9:37 pm
devinw1 wrote:
Tue Sep 22, 2020 5:50 pm
Nice, thanks for posting! That was informative and fun. I hadn't ever heard of a Mancini rectifier before. That's a very simple and elegant FWR design!
Hey, your welcome, devinw1! But, what does "FWR" mean? That's one TLA (three-letter abbreviation) that I'm not familiar with.
Full Wave Rectifier, I would guess.
Haha! Yes! Sorry, I'm addicted to TLAs! :D
Well, now that you spell it out, it should have been obvious, and I'm feeling a little silly for having to ask.
They always said I would be nothin' but a fishhead -- look at me now!

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by stashole » Mon Sep 28, 2020 11:10 am

Completed a Rampage the other day. My second build, after successfully building a Zlob MiniEq a couple of months ago. Not the cleanest job, as I only realized I should be soldering components based on their height on the board, so a few things are floating on the main board. Took me about 12 hours sitting from 3 PM to 3 AM; I was experiencing some grief from the loss of a friend so I needed the distraction. First test, only the right half worked, so I left it til the next day to clean up the many joints I'd missed. The excitement I experienced when it finally worked after another hour of filling holes was unreal! Now on to the next one, a Hex Mix VCA :mrgreen:
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by pugix » Mon Sep 28, 2020 11:23 am

Recently, I went back and tagged all my DIY posts, so now they're easy to scroll through. Most of my recent DIY stuff is Eurorack, but as you can see, I still maintain MOTM DIY modules.

https://pugix.com/synth/tag/diy/
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by roglok » Mon Sep 28, 2020 3:56 pm

pugix wrote:
Mon Sep 28, 2020 11:23 am
Recently, I went back and tagged all my DIY posts, so now they're easy to scroll through. Most of my recent DIY stuff is Eurorack, but as you can see, I still maintain MOTM DIY modules.

https://pugix.com/synth/tag/diy/
:party:

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by roglok » Mon Sep 28, 2020 4:15 pm

I finally found a way of labeling my patchbays that actually makes use of the space available: Laserjet print on adhesive foil and a 10mm hole punch. The punching requires a bit of precision but the result is rewarding.

20200927_160323.jpg
20200928_225131.jpg
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by ericneilj » Thu Oct 01, 2020 10:10 am

NLC 2xLFO, a really wonderful circuit (pardon the image rotation)
7FBD55C9-EF1C-4ED1-B48F-EE1753C684C2.jpeg
EFCE09A6-E12E-4CF5-A8E0-1BC5F9854C4D.jpeg
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