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 Forum index » DIY Hardware and Software
2010 Build Pictures
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andrewF



Joined: Dec 29, 2006
Posts: 1176
Location: australia
Audio files: 4

PostPosted: Sat Mar 06, 2010 6:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

j.dilisio wrote:
The board looks so simple for the amount of patch points there are on the panel.
I've always wondered how you could use an analog computer in a modular setup. Would you use it mostly as a CV generator/processor?
It would be cool to have a VU meter in there too.


It is very simple, tho I really should make sure it works before saying that.
one good example of using an analogue computer with a synth is Dan Slater's Chaotic Sound Synthesis, you can see the 1st page here
It was common to have voltmeters on analogue computers, if I built this into a larger case it would have one.

macumbista wrote:

Consider me [fr]/[g]eekishly interested in any PCBs you might have for this project!!!!

D.

glacial23 wrote:


Seconded. I was planning on building an analogue computer anyway - this would simplify matters a bit!


no worries, once tested I intend to redesign the PCB to make it smaller (=cheaper) and then will do a larger run. Also considering getting panels made to suit the pactec case.
cheers
Andrew
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wmonk



Joined: Sep 15, 2008
Posts: 491
Location: Enschede, the Netherlands
Audio files: 13

PostPosted: Sat Mar 06, 2010 6:57 pm    Post subject: Reply with quote  Mark this post and the followings unread

The Karplus Strong module by Inventor!
Posted Image, might have been reduced in size. Click Image to view fullscreen.
And you can see a little video on my blog: [url]woodymonk.blogspot.com[/url] It was streamed live to the people in the chat with my phone, so not the best sounds, but still nice Smile

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slacker



Joined: Nov 18, 2007
Posts: 301
Location: England
Audio files: 11
G2 patch files: 1

PostPosted: Sun Mar 07, 2010 7:14 am    Post subject: Reply with quote  Mark this post and the followings unread

Finally finished my first module, an ENS-76/CGS style VCO, nothing to look at compared to some of the amazing stuff in here, but apart from one slightly off centre socket I'm happy with it.

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

Obligatory guts shot

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

Looking lonely waiting for its friends Very Happy

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



Joined: Sep 12, 2007
Posts: 390
Location: berlin
Audio files: 3

PostPosted: Sun Mar 07, 2010 7:58 am    Post subject: Reply with quote  Mark this post and the followings unread

andrewF wrote:
one good example of using an analogue computer with a synth is Dan Slater's Chaotic Sound Synthesis, you can see the 1st page here


I had a feeling we'd been doing the same homework!

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Blue Hell
Site Admin


Joined: Apr 03, 2004
Posts: 22236
Location: The Netherlands, Enschede
Audio files: 209
G2 patch files: 319

PostPosted: Sun Mar 07, 2010 9:34 am    Post subject: Reply with quote  Mark this post and the followings unread

slacker wrote:
nothing to look at compared to some of the amazing stuff in here


They all started like that Laughing nice compact build!

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TekniK



Joined: Aug 10, 2008
Posts: 1059

PostPosted: Mon Mar 08, 2010 2:41 am    Post subject: Reply with quote  Mark this post and the followings unread

slacker wrote:
Finally finished my first module, an ENS-76/CGS style VCO, nothing to look at compared to some of the amazing stuff in here,


mistake,the format is awesome,am pretty sure it will looks cool when that case is filled up.
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DGTom



Joined: Dec 08, 2008
Posts: 211
Location: Adelaide
Audio files: 3
G2 patch files: 1

PostPosted: Mon Mar 08, 2010 6:06 am    Post subject: Reply with quote  Mark this post and the followings unread

Awesome work slacker! Very Happy

I really like that all in one line style.
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slacker



Joined: Nov 18, 2007
Posts: 301
Location: England
Audio files: 11
G2 patch files: 1

PostPosted: Mon Mar 08, 2010 1:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for the nice comments folks. Hopefully more to follow soon.
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RF



Joined: Mar 23, 2007
Posts: 1495
Location: Northern Minnesota, USA
Audio files: 28

PostPosted: Sat Mar 13, 2010 3:30 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quad Bass ++ (Plus Lunetta)
Thomas Henry Quad Bass ++ board with Lunetta type counters/dividers/logic.
Logic included is a 4094 8 stage shift register, three 40106 clocks, 4024 divider, 4015 4 stage shift register, two XOR gates, a Divide by2/3/4/5/6/7/8 4017 circuit (a section of the CGS pulse divider), and two 4 input R/2R ladders for generating CV's. Iy uses mains power, the drum voices have individual and summed outputs and manual triggers. Banana and 1/4 inch so it'll play well with my Lunetta or modular.

I just finished a couple hours ago - Have not decided if I'll dress it up any more or not. (ie wood sides) Maybe too many colors Embarassed of jacks and knobs... That may change too.

As I learn how to use it I'll make a vid or audio clip.

bruce
EDIT to add clip & comment -
Obviously I was going for the Headley Grange vibe on the recording....


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Drums1.mp3
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Uber-basic 1st patch

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Last edited by RF on Sat Mar 13, 2010 7:59 pm; edited 3 times in total
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loydb



Joined: Feb 04, 2010
Posts: 392
Location: Providence, RI

PostPosted: Sat Mar 13, 2010 6:27 pm    Post subject: Reply with quote  Mark this post and the followings unread

That is some dense panel! Congrats, great build.
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skylab76



Joined: Dec 30, 2007
Posts: 38
Location: Austin

PostPosted: Sun Mar 14, 2010 1:11 am    Post subject: Reply with quote  Mark this post and the followings unread

I'm done with phase 1 of my modular named "Grendel" (ugly, but mean as hell)

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

Four VCOs, Two VCAs, Moog clone/Synthacon/MFOS 4 pole LP filters, 2 custom ADSRs, 3 LFOs, Rebote Delay, Knick Knacks here and there.

The "cabinet" is 100% Home Depot which is made up of oak planks (aisle 32), plexiglass front panels, 6 layers of black paint. To mount the panels, I used aluminum L strips which were screwed on to the top and bottom planks. The L strips were then threaded for 8/32 screw size. I'm adding another tier in the summer.
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kkissinger



Joined: Mar 28, 2006
Posts: 1265
Location: Kansas City, Mo USA
Audio files: 31

PostPosted: Tue Mar 16, 2010 5:54 pm    Post subject: New Clock Divider, Boolean Logic, and Schmitt Trigger module Reply with quote  Mark this post and the followings unread

I completed the final troubleshooting on the Yusynth Boolean Logic and so this module is now up and running.

This module represents some "firsts" for me. All three PCBs are homemade -- the first three I've ever made.

The Schmitt Trigger circuit board is my own design -- nothing overly complicated but a chance for me to acquaint myself with Eagle software. The other boards are Yusynth designs.

The Schmitt trigger's output produces a trigger when both inputs go "high" and does not produce additional triggers until both inputs go low. Thus, I can delay the start of a note until a clock trigger and, once the trigger is received, suppress additional triggers until the note is lifted (and the gate goes back to zero).

I'm really having a lot of fun building new "stuff"!


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I decided to combine three different modules to conserve panel space -- Aries used to group related functions together in common modules.
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P3150044.JPG
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View of the Schmitt Trigger PCB (my first attempt to design circuitry with Eagle and to turn it into a PCB) and the Yusynth Clock Divider card.
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P3150045.JPG
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View of the Yusynth Boolean Logic PCB. I mounted the PCBs back to back (with spacers) to fit it all behind the panel.
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P3150045.JPG



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mark_olson



Joined: Oct 26, 2006
Posts: 177
Location: Lawrence, Kansas

PostPosted: Tue Mar 16, 2010 7:44 pm    Post subject: Reply with quote  Mark this post and the followings unread

Wow, Kevin!
Nice work.

Mark
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adambee7



Joined: Apr 04, 2009
Posts: 420
Location: united kingdom

PostPosted: Wed Mar 17, 2010 3:33 am    Post subject: Reply with quote  Mark this post and the followings unread

Good job Kevin. Been thinking of this module aswell for a while. Made pcbs at work but not for myself at home. Will take the plunge. Post some music you've created with it. Very Happy Very Happy
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fonik



Joined: Jun 07, 2006
Posts: 3884
Location: Germany
Audio files: 23

PostPosted: Wed Mar 17, 2010 5:12 am    Post subject: Reply with quote  Mark this post and the followings unread

my latest three modules using SMD got a frontpanel finaly. no wiring needed!

SMD modules

triple module

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cheers,
matthias
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j.dilisio



Joined: May 19, 2009
Posts: 200
Location: baltimore

PostPosted: Wed Mar 17, 2010 7:23 am    Post subject: Reply with quote  Mark this post and the followings unread

Fonik,. those are amazing. Shocked
You've got this diy thing down to a science.

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fonik



Joined: Jun 07, 2006
Posts: 3884
Location: Germany
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PostPosted: Wed Mar 17, 2010 7:28 am    Post subject: Reply with quote  Mark this post and the followings unread

thanks for the laurels. however i will accept your comment as related to the hardware only, not for the circuits. Laughing

anyways, the hardest part for me was to find sockets, switches and potentiometers that matched in height (so consequently sockets and potentiometers are ordered directly from manufacturers in asia).

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matthias
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Danno Gee Ray



Joined: Sep 25, 2005
Posts: 1346
Location: Telford, PA USA

PostPosted: Wed Mar 17, 2010 3:38 pm    Post subject: Reply with quote  Mark this post and the followings unread

Kevin, Mathias,

You guys are machines!
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droffset



Joined: Feb 02, 2009
Posts: 505
Location: London and Oxford
Audio files: 2

PostPosted: Wed Mar 17, 2010 4:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

Danno Gee Ray wrote:
Kevin, Mathias,

You guys are machines!


Agreed, great stuff!

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Edit: Spelling mistakes.
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toppobrillo



Joined: Dec 10, 2005
Posts: 766
Location: oakland, ca
G2 patch files: 1

PostPosted: Wed Mar 17, 2010 5:40 pm    Post subject: Reply with quote  Mark this post and the followings unread

fonik- great job on those! I am making the transition to SMD for my modules as well... at least partially. it gets hard to squeeze everything behind these little panels Smile
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Inventor
Stream Operator


Joined: Oct 13, 2007
Posts: 6165
Location: San Antonio, Tx, USA
Audio files: 267

PostPosted: Wed Mar 17, 2010 7:57 pm    Post subject: Reply with quote  Mark this post and the followings unread

fonik, that is simply masterful! I shall have to follow in your footsteps someday, with your permission of course.

Les

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kkissinger



Joined: Mar 28, 2006
Posts: 1265
Location: Kansas City, Mo USA
Audio files: 31

PostPosted: Wed Mar 17, 2010 10:53 pm    Post subject: Reply with quote  Mark this post and the followings unread

fonic, beautiful workmanship! Wow!
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kkissinger



Joined: Mar 28, 2006
Posts: 1265
Location: Kansas City, Mo USA
Audio files: 31

PostPosted: Wed Mar 17, 2010 11:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

This evening I finished my 2nd MPS. I revised my front panel a bit -- I will likely redo the panel on the first MPS at some point... for now I'll just leave it.

Below is a pic of my latest modules that are temporarily housed in an old 11 module cabinet. The newest MPS is on left.

The only module that I have started and not finished is the Klee Sequencer. It has a larger panel and I'm still working out details of the design.

However... I couldn't resist... and I ordered about half a dozen CGS PCBs. I can see the instrument doubling in size over the next year or two.


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adambee7



Joined: Apr 04, 2009
Posts: 420
Location: united kingdom

PostPosted: Thu Mar 18, 2010 2:50 am    Post subject: Reply with quote  Mark this post and the followings unread

It will always get bigger (ahem). Mines grown twice the size in a year. That is going to be one nice groove machine. Lovely work. Very Happy Very Happy
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Inventor
Stream Operator


Joined: Oct 13, 2007
Posts: 6165
Location: San Antonio, Tx, USA
Audio files: 267

PostPosted: Thu Mar 18, 2010 7:20 pm    Post subject: Reply with quote  Mark this post and the followings unread

I just gotta re-emphasize my astonishment at what fonik has revealed to us here. It's truly a whole new synth format. Noicely done fonik!

Les

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