The 2020 Show Us Your DIY Builds Thread!

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

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Mr Creamy
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Mr Creamy » Sun Aug 23, 2020 5:37 pm

Wow, there are some great builds here!

Sorry for the newbie noise, as I just started building modules. Looks like this is the place to be with like-minded wigglers. This is my 2nd module DIY, but my first SMD build: MIXIV from Synthrotek.com (no affiliation).
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Loving it as I can combine multiple oscillators, etc in my signal chain. I'm having so much fun, even if spending days troubleshooting something going awry! Keeps me out of bigger trouble! :twisted:

Can't wait to see more of what you all do; I've got a lot to learn!
~Mr C
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Bjarne
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Bjarne » Tue Aug 25, 2020 1:07 pm

Wow, what an absolutely beautiful build!

BTW was it hard sourcing the components? I bought the pcb years ago and had this on my backlog ever since.

Cheers
seal_cobblr wrote:
Fri Aug 14, 2020 4:11 am
I landed on the Hammond 1550g (making it the biggest pedal I've ever seen) and a transparent sticker.

Kraut.jpg

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

Post by seal_cobblr » Wed Aug 26, 2020 3:54 am

Bjarne wrote:
Tue Aug 25, 2020 1:07 pm
Wow, what an absolutely beautiful build!

BTW was it hard sourcing the components? I bought the pcb years ago and had this on my backlog ever since.

Cheers
seal_cobblr wrote:
Fri Aug 14, 2020 4:11 am
I landed on the Hammond 1550g (making it the biggest pedal I've ever seen) and a transparent sticker.

Kraut.jpg
Thanks! 8-)

Not really. I got most parts from tayda. The documentation listed the code for the lamps on reichelt.de so I got a few parts from there aswell. The photoresistors were from adafruit - I think, they were suggested in the buildthread over at the electo-music.com DIY section. The knobs were from banzai or musicding. I dont remember.

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by twigathy » Sat Aug 29, 2020 6:23 am

A couple more very simple things built today - but they're important tools in my modular audio-Lego arsenal :)

First, a DC coupled mixer. I'm actually going to use this for audio a bit too, passing the output through an attenuator so I don't fry whatever the synth is connected to... At some point, a real line-level output thing needs to be designed. For now, this'll do.
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Second, a 5-channel white noise generator built around the Pentanoise chip from electric druid.
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Both were super easy, past me was a real gem and silkscreened everything clearly, with the exception of the -12v rail on the mixer for which I had to open up Kicad to double check...
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by sduck » Sat Aug 29, 2020 8:45 pm

It's a Cara by Antumbra. Or a christmas decoration. You decide.
IMG_2413.JPG
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mome rath
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by mome rath » Sun Aug 30, 2020 8:00 pm

2F7EC275-85B9-433C-803A-31A158A82180.jpeg
tee hee
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instagraM
guest wrote:
Fri Jan 03, 2020 2:45 pm
basically, as the dude put it "no walter, youre not wrong, youre just an asshole".
zoogoo wrote: your stupid

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

Post by gslug » Tue Sep 01, 2020 5:28 pm

Not quite finished yet, but RE-303.
IMG_20200901_230152.jpg
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fragletrollet
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by fragletrollet » Thu Sep 03, 2020 10:38 am

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Finally built up some old PCB's I bought in the early days of my wiggling life. Surprisingly useful modules; I was a little worried the MCD would be offering too little features considering it's big size, but it's a really fun and intuitive modules. Really like the random mode. Looks really cool with the Clarke Robinson panel and the UV-leds I've used.

Randochordo is also great, really worked wonders on the usability to get a properly labelled panel (selecting between so many different scales in one rotation of a pot can be frustrating and hard to tell what scale you're in). Cool module, compliments my quantimator :cloud:

Also finishing up a 24 channel API all discrete summing mixer I've been working on for a couple of years now... but that's for another day :miley:
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forestcaver
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by forestcaver » Thu Sep 03, 2020 11:31 am

Finished a few more modules over the past few months:

4hp ssi2144 with attenuverter on FM and temp compensation:
671-modular_ajh_lpf2.jpg
672-modular_ajh_lpf2.jpg
4hp wasp filter:
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4hp Roland a100m ADSR (from electro-music forum):
669-modular_ajh_adsr.jpg
670-modular_ajh_adsr.jpg
Module tester module (much cheaper!) with four added precision voltage outputs for calibration (panel has been updated with correct sized window !!! This was the prototype)
673-modular_ajh_module_tester.jpg
674-modular_ajh_module_tester.jpg
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jonny_w
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by jonny_w » Thu Sep 03, 2020 11:08 pm

This thing is the ultimate sequencer. I was worried it might be a little "menu-divey" but it's actually quite intuitive. Kudos to Westlicht for an incredible design! I also just completed a Typhoon & Yaksha's Fate, both in the Mutable Successful DIY thread.

Not sure why it's showing as upside down, but you get the idea.
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htor
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by htor » Tue Sep 08, 2020 3:19 pm

my first vco module ever got done today.
the schmitzbits 4069 VCO. saw + pulse + pwm + 1V/oct.
soon it will get some knobs and more modules to keep it company

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i also want to say thank you to muffwiggler for being so very helpful and for being such a great resource for electronics and DIY. special shout out to: guest, KSS, Graham, EATyourGuitar and emmaker!! incredible people with so much knowledge :sun: :sun: :sun:
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asymptote
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by asymptote » Wed Sep 09, 2020 1:03 am

I finished up the wiring and calibration on a Vintage Voltron 6 panel the other night. I powered it up and was jamming on it earlier tonight, and this thing is a friggin BEAST! Seriously massive sound possibilities in a single Serge panel to be had here. I still need to figure a few things out like power entry and mounting into the boat. Unfortunately the the mounting holes on the panel don’t quite align with the predrilled holes of the Bud AC-423. Any suggestions are more than welcome!
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fragletrollet
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by fragletrollet » Wed Sep 09, 2020 5:12 pm

As promised...

Image

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Image

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Image

24 channels of API summing. Post fader direct output (That 1646), 28 discrete opamps, 4 transformers in the master section, Elma master switch, master insert with relays, external psu.

This has been by far my biggest adventure in electronics DIY! Took me several years and I learned so much in the process. I've designed an aux-send box to expand this one with, JLM audio is testing the pcb's before they ship out as we speak. My dream setup is getting closer; now I can record my jams as they sound mixed down, but to separate tracks! (thanks to the post fader output). Soon I'll be able to access all my effects from the aux-expander, and the circle will be whole (for about a day).

Lots of other, mostly outboard, projects going on. Hope it's not rude to post "non-modular" here :cloud:

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mome rath
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by mome rath » Wed Sep 09, 2020 8:48 pm

woops double post
Last edited by mome rath on Thu Sep 10, 2020 8:48 am, edited 1 time in total.
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soundcloud, dear friends

good trader cred
instagraM
guest wrote:
Fri Jan 03, 2020 2:45 pm
basically, as the dude put it "no walter, youre not wrong, youre just an asshole".
zoogoo wrote: your stupid

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mome rath
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by mome rath » Wed Sep 09, 2020 8:49 pm

fragletrollet wrote:
Wed Sep 09, 2020 5:12 pm
As promised...

Image

Image

Image

Image

Image

24 channels of API summing. Post fader direct output (That 1646), 28 discrete opamps, 4 transformers in the master section, Elma master switch, master insert with relays, external psu.

This has been by far my biggest adventure in electronics DIY! Took me several years and I learned so much in the process. I've designed an aux-send box to expand this one with, JLM audio is testing the pcb's before they ship out as we speak. My dream setup is getting closer; now I can record my jams as they sound mixed down, but to separate tracks! (thanks to the post fader output). Soon I'll be able to access all my effects from the aux-expander, and the circle will be whole (for about a day).

Lots of other, mostly outboard, projects going on. Hope it's not rude to post "non-modular" here :cloud:
oh DANG that's hot

esp the dirty socks or whatever that is :lol:
Image
soundcloud, dear friends

good trader cred
instagraM
guest wrote:
Fri Jan 03, 2020 2:45 pm
basically, as the dude put it "no walter, youre not wrong, youre just an asshole".
zoogoo wrote: your stupid

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Dr. Sketch-n-Etch » Wed Sep 09, 2020 11:43 pm

I just wanted to second Mome Rath. That analog summing box is the tits. I don't have a clue what it is or why you'd want it, but you sure did a beautiful job building it.
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by GrantB » Thu Sep 10, 2020 12:15 am

asymptote wrote:
Wed Sep 09, 2020 1:03 am
Unfortunately the the mounting holes on the panel don’t quite align with the predrilled holes of the Bud AC-423. Any suggestions are more than welcome!
Nice panel!
Sometimes you can still force a self tapping screw in there when the hole's a little off.

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Flounderguts » Thu Sep 10, 2020 1:07 am

fragletrollet, stunning build. Well worth the time.
----------------------

Flounderguts

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

Post by asymptote » Thu Sep 10, 2020 8:31 am

GrantB wrote:
Thu Sep 10, 2020 12:15 am
Nice panel!
Sometimes you can still force a self tapping screw in there when the hole's a little off.
Thanks! I should definitely give it a shot. It couldn't hurt. If all else fails I'll probably end up widening the holes a bit and then fiddling with u-nuts.

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by twigathy » Sat Sep 12, 2020 9:14 am

More newbie things. Today I put together the "YASH" sample and hold (https://www.schmitzbits.de/sah.html). Turned out to be a relatively easy build, with a couple of hiccups:
  • Forgot to bridge pins 2 and 3 on the potentiometer. Fixed with a dodgy chunk of resistor leg and too much solder.
  • Wired the potentiometer backwards! More clockwise = slower... I think I can live with this one :)
I'm pretty happy with how this turned out. To the YASH design, I added a couple of switches so it's possible to toggle between internal clock, external clock or both. The silkscreen + copper on the front panel is not completely horrible too!

If there's one thing I'd like to change, it'd be to allow for the S&H to have a longer clock time on the built-in oscillator. I think that's probably not such an issue really, given much of the time it'll be externally clocked rather than free-running.

Also figured out how to get OBS working (ASIO is a bit of a pain...), and managed to record it burbling away happily.

...of course, now I need a quantizer. And some more purple knobs. (Thonk is sold out!) :)
IMG_20200912_144415.jpg
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by ashleym » Sun Sep 13, 2020 2:41 pm

asymptote wrote:
Wed Sep 09, 2020 1:03 am
I finished up the wiring and calibration on a Vintage Voltron 6 panel the other night.
Very nice indeed. I was interested to see Elby restarting these. Seeing an original is fascinating. I’m glad it’s a beast

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by Rex Coil 7 » Sun Sep 13, 2020 2:53 pm

sduck wrote:
Sat Aug 29, 2020 8:45 pm
It's a Cara by Antumbra. Or a christmas decoration. You decide.

IMG_2413.JPG
I didn't know Antumbra sold kits (or at least panels/PCBs). That module is cool! Certainly looks nice! My wife picked up an Elements clone by them (I think) ... seems to be good stuffery.
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by sduck » Sun Sep 13, 2020 10:50 pm

Sure - it's all allowed by the license - if you create something new from the original mutable design, you should release your design. So you can download the files, and get pcbs and panels made. Working on a knit currently - a tiny version of plaits.
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Re: The 2020 Show Us Your DIY Builds Thread!

Post by asymptote » Sun Sep 13, 2020 11:50 pm

ashleym wrote:
Sun Sep 13, 2020 2:41 pm
Very nice indeed. I was interested to see Elby restarting these. Seeing an original is fascinating. I’m glad it’s a beast
I picked up a VV4 & 6 awhile ago before they announced their new panels. But I am glad they’re producing another run of these panels as well. I can’t say that I’m in love with the new look, but some of the updates are cool, like the added reverb on the 6.

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Re: The 2020 Show Us Your DIY Builds Thread!

Post by ashleym » Mon Sep 14, 2020 2:37 pm

asymptote wrote:
Sun Sep 13, 2020 11:50 pm

I picked up a VV4 & 6 awhile ago before they announced their new panels. But I am glad they’re producing another run of these panels as well. I can’t say that I’m in love with the new look, but some of the updates are cool, like the added reverb on the 6.
They appear to have reverb on all the Voltrons (they dont but it just looks like it!)

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