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 Forum index » DIY Hardware and Software
2019/2020 BUILD PHOTOS
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PHOBoS



Joined: Jan 14, 2010
Posts: 5082
Location: Moon Base
Audio files: 673

PostPosted: Mon Sep 07, 2020 6:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

raccooneatingcacti wrote:

Thanks for the tip, I'm going to give that a try. Any suggestions on where to have boards made?

I've used Elecrow and lately been using JLCPCB, both have always delivered great quality PCBs for a very low price
and with Elecrow I usually got some extra boards for free. But they do part of the shipment with DHL and there is a
possibility that they (DHL) would charge extra for import duties above a certain weight. So when I needed some more
boards I gave JLCPCB a try and that has always worked great. It's also nice that you can follow the process and shipping
on the site. PCBWay is another one but I have no experience with them.

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AlanP



Joined: Mar 11, 2014
Posts: 713
Location: New Zealand
Audio files: 40

PostPosted: Wed Sep 09, 2020 3:35 pm    Post subject: Reply with quote  Mark this post and the followings unread

How clean is the Bucket Rogers module? Could be a good candidate for a charge pump IC and a XVIVE3005 BBD, with some modification.
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Skrog Productions



Joined: Jan 07, 2009
Posts: 1146
Location: Scottish Borders
Audio files: 144

PostPosted: Wed Sep 16, 2020 11:27 pm    Post subject: Reply with quote  Mark this post and the followings unread

fantastic modules Phobos , i like the delay module Smile
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PHOBoS



Joined: Jan 14, 2010
Posts: 5082
Location: Moon Base
Audio files: 673

PostPosted: Thu Sep 17, 2020 1:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks Smile

Bucket Rogers sounds ok, gets a bit distorted with the feedback turned up.
The LEDs on the board are there to clip the signal so that's probably adding to that.
And at very slow speeds the CLK will get audible as I didn't want to filter it too much.
I got some nice sounds out of it on breadboard with modulating it and having the feedback
all the way up. (I will post a schematic sometime)

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AlanP



Joined: Mar 11, 2014
Posts: 713
Location: New Zealand
Audio files: 40

PostPosted: Sun Nov 01, 2020 6:29 pm    Post subject: Reply with quote  Mark this post and the followings unread

Posted Image, might have been reduced in size. Click Image to view fullscreen.Posted Image, might have been reduced in size. Click Image to view fullscreen.

I built a Mutable Shruthi XT with a Polivoks VCF, and liked the sound so much that I wanted to build a eurorack Polivoks VCF module.

I only spotted that Erica Synths released their gerber files a few days after submitting this for fab. Oops. Well, at least it matches most of my other VCF modules a bit more, this way!
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Grumble



Joined: Nov 23, 2015
Posts: 1205
Location: Netherlands
Audio files: 30

PostPosted: Sat Dec 05, 2020 5:15 am    Post subject: Reply with quote  Mark this post and the followings unread

Ymf262 controlled by a STM32 Blue Pill.
Midi in, 6 Voice 127 instruments 4op. opl3 player.
No idea why the pictures show up the way they do Rolling Eyes


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analogmonster



Joined: May 30, 2011
Posts: 29
Location: Germany

PostPosted: Mon Dec 21, 2020 1:29 am    Post subject:  TCP4A Control Panel Mono Stereo Interface and PSU Bus
Subject description: First little project after a 15 month break...
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Well, first little activities after a long break: continued with my Moog (tm) System 55 Clone by adding a simple interface module for non-6.3mm-mono-cabled-instruments...


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vladosh



Joined: Aug 02, 2010
Posts: 587
Location: macedonia
Audio files: 33

PostPosted: Thu Dec 24, 2020 11:04 am    Post subject: Reply with quote  Mark this post and the followings unread

i haven't documented my builds properly ,i just took this pic of the whole 4U Modular i am building for myself ,it's bit messy ,some of the panels are just printed paper ,some have nice foil ,but most of them are paper cause it's easy and i just rush to plug in a module ,this year i finished : a LPG (NLC) ,VCA (Electronotes) ,Serge Resonant EQ ,Utility VCO (Electronotes) ,Buchla FRV ,Jerk Chaos NLC ,Moog VCF (Yusynth) ,Serge Negative and Positive Slew - on one panel ,Serge DUSG ,Electronotes VCF (State Variable - Bernie Hutchins) ,another VCA ,Serge Wavemultipler ,and Serge Tripple Waveshaper ..
and happy holidays santa


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PERFORMANCE



Joined: Jun 11, 2020
Posts: 9
Location: Germany

PostPosted: Tue Dec 29, 2020 11:59 am    Post subject: Reply with quote  Mark this post and the followings unread

I have started a modular once again. This time it's mostly gonna be Kits and modules from scratch since I finally feel adequately skilled and equiped to go that way. My builds from scratch are a dual guitar pedal interface/ eurorack-level-amp (based on Ken Stone's design) - attenuverter (fonik's) - 440Hz Oscillator (non functional, based on TL07x datasheet schem) - module and that audio mixer (one channel doesn't work but I really can't get whats going wrong, three channels are sufficient for the moment anyway...). Making panels without a proper saw is kind of tricky but I'm getting better with every cut of my jigsaw...hehe. Another successful build is a 555 based Dub Siren for my brother for christmas. Thats as from scratch as it can get - even made the case (also just getting into woodworking...).


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Everything except the Doepfers is DIY - some from Kits (thonk) and some from scratch (the obvious ones).
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A 555 based Dub Siren!
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Last edited by PERFORMANCE on Tue Dec 29, 2020 1:03 pm; edited 1 time in total
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PHOBoS



Joined: Jan 14, 2010
Posts: 5082
Location: Moon Base
Audio files: 673

PostPosted: Tue Dec 29, 2020 12:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

nice work. I've used a jigsaw too to cut panels to size but usually cut them slightly larger. Then clamp it between 2 pieces of angled aluminium
and use a file to get it straight and to the correct size.

let's see if I can 'draw' that without resorting to photoshop.
Code:

═╗│╔═
 ║│║
  │
  │

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PERFORMANCE



Joined: Jun 11, 2020
Posts: 9
Location: Germany

PostPosted: Tue Dec 29, 2020 12:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

PHOBoS wrote:
nice work. I've used a jigsaw too to cut panels to size but usually cut them slightly larger. Then clamp it between 2 pieces of angled aluminium
and use a file to get it straight and to the correct size.

let's see if I can 'draw' that without resorting to photoshop.
Code:

═╗│╔═
 ║│║
  │
  │


Thanks! Yeah, I've also got myself a set of files of all shapes and sizes (metal files) and funnily I also started clamping them in as you described. I have one of those universal saw/drill/work benches making it easy clamping in. One of my next pieces will probably be one of you LFOs, btw Wink
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PHOBoS



Joined: Jan 14, 2010
Posts: 5082
Location: Moon Base
Audio files: 673

PostPosted: Tue Dec 29, 2020 2:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

we might have the same kind of workbench and I also have that same oscilloscope.
If it's an LFO with opamps keep an eye on the inv/noninv inputs, I switched those up in at least one schematic.

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PERFORMANCE



Joined: Jun 11, 2020
Posts: 9
Location: Germany

PostPosted: Tue Dec 29, 2020 4:54 pm    Post subject: Reply with quote  Mark this post and the followings unread

PHOBoS wrote:
we might have the same kind of workbench and I also have that same oscilloscope.
If it's an LFO with opamps keep an eye on the inv/noninv inputs, I switched those up in at least one schematic.


Oh, good to know! Below there's an older photo of my bench (it's located inside my shared studio space so no possibility to take a picture right now...but not that much has changed since then except the scope and some hand tools).


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dk



Joined: Feb 12, 2019
Posts: 87
Location: Europe

PostPosted: Mon Jan 04, 2021 7:54 am    Post subject: Reply with quote  Mark this post and the followings unread

vladosh wrote:
i haven't documented my builds properly ,i just took this pic of the whole 4U Modular i am building for myself ,it's bit messy ,some of the panels are just printed paper ,some have nice foil ,but most of them are paper cause it's easy and i just rush to plug in a module ,this year i finished : a LPG (NLC) ,VCA (Electronotes) ,Serge Resonant EQ ,Utility VCO (Electronotes) ,Buchla FRV ,Jerk Chaos NLC ,Moog VCF (Yusynth) ,Serge Negative and Positive Slew - on one panel ,Serge DUSG ,Electronotes VCF (State Variable - Bernie Hutchins) ,another VCA ,Serge Wavemultipler ,and Serge Tripple Waveshaper ..
and happy holidays santa


Oh, that looks awesome!

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