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 Forum index » DIY Hardware and Software
2018 Build Photos
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wmonk



Joined: Sep 15, 2008
Posts: 504
Location: Enschede, the Netherlands
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PostPosted: Mon Jan 08, 2018 2:37 pm    Post subject:  2018 Build Photos
Subject description: What did you finish this year?
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Happy New Year everyone!

This year it seems I am the first to finish a little project. Very Happy
This is Inventors Karplus-Strong project from 2010. Still had a PCB waiting to be populated. Besides some tuning it works great Smile

Link to the topic in case you want to build your own: http://electro-music.com/forum/topic-36165.html&postorder=asc

And now, lets all post some photos, and good luck DIYing this year!


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PHOBoS



Joined: Jan 14, 2010
Posts: 3826
Location: Moon Base
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PostPosted: Sat Jan 13, 2018 4:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

first finished module for this year: Deus Ex Machina.



more info here

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AlanP



Joined: Mar 11, 2014
Posts: 456
Location: New Zealand
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PostPosted: Mon Jan 15, 2018 9:43 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.

Always feels good to wrap up a longrunning project. I've had this on the backburner for a couple years now -- while the panel says 2018, the back of the pcb says 2016 Embarassed Catgirlsynth Stomp Box Adaptor.

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.

Yusynth Comparator. With how well the CGS60 panel turned out (I tried ordering aluminium for the material, rather than the usual FR4 pcb material), I kinda wish I'd ordered this and the sequencer in aluminium too. Forgot the bypass caps on the PCB... eh, I can patch them in on the back if I find they need it.
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AlanP



Joined: Mar 11, 2014
Posts: 456
Location: New Zealand
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PostPosted: Fri Jan 19, 2018 1:37 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.

Right. So, I've had this on the backburner for awhile, and electrically, it's all sorted. The toggle switches I used, however, are cheap and do not match the pots' height. Plus the panel is a trifle too short, and two mounting holes don't match. Quibbles! (Although I may well do a new panel!)

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



Joined: Jan 07, 2009
Posts: 1069
Location: Scottish Borders
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PostPosted: Fri Jan 19, 2018 2:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

looks great , nice work Alan
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Skrog Productions



Joined: Jan 07, 2009
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PostPosted: Fri Jan 19, 2018 2:04 pm    Post subject: Reply with quote  Mark this post and the followings unread

nice module Phobos Smile



cool KS module Wmonk Smile

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LFLab



Joined: Dec 17, 2009
Posts: 458
Location: Rosmalen, Netherlands

PostPosted: Mon Jan 22, 2018 3:41 am    Post subject: Reply with quote  Mark this post and the followings unread

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

Right. So, I've had this on the backburner for awhile, and electrically, it's all sorted. The toggle switches I used, however, are cheap and do not match the pots' height. Plus the panel is a trifle too short, and two mounting holes don't match. Quibbles! (Although I may well do a new panel!)

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.


Nice, the wiring on the original is mindboggling indeed, good way to simplify.
With respect to the switches, there's a Tyco switch which is small enough, the APEM TL series will work, and Thonk has submini switches with a height which matches 9mm Alpha and PC mount jacks. All of 'm are a lot more expensive than the "el-cheapo Chinese" SPDT's though.
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PHOBoS



Joined: Jan 14, 2010
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PostPosted: Mon Jan 22, 2018 4:05 pm    Post subject: Reply with quote  Mark this post and the followings unread

great job on the sequencer alan, looking at it again it must have been quite a challenge
to get everything on such a small panel space and conncet it all up as well. thumleft

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jh



Joined: Jan 28, 2018
Posts: 3
Location: finland

PostPosted: Sun Jan 28, 2018 2:16 am    Post subject: Reply with quote  Mark this post and the followings unread

Syna is a 13 voice poly analog synth with touch sensitive keyboard. It was built as a thesis work. Keyboard made from pine wood, case from steel.


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Blue Hell
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Joined: Apr 03, 2004
Posts: 22430
Location: The Netherlands, Enschede
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PostPosted: Sun Jan 28, 2018 9:14 am    Post subject: Reply with quote  Mark this post and the followings unread

What a lovely lil big synth - do you have any details on it?
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jh



Joined: Jan 28, 2018
Posts: 3
Location: finland

PostPosted: Sun Jan 28, 2018 11:48 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for your interest.

13 voices, 13 voice polyphony. Same functions per key.
Select waveform from ; sine,tri,sqr,saw,pulse,pwm
Pulse adjustable, (positive period from 0...50%)
PWM speed control, pulse width control
12 db/octave filters, lp/hp/bp, Q value adjustable
Cutoff control with lfo / pot.

Blue Hell wrote:
What a lovely lil big synth - do you have any details on it?
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AlanP



Joined: Mar 11, 2014
Posts: 456
Location: New Zealand
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PostPosted: Sun Jan 28, 2018 7:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

WOW that is impressive!

What do the guts of it look like? Smile
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Grumble



Joined: Nov 23, 2015
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Location: Netherlands
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PostPosted: Mon Jan 29, 2018 12:54 am    Post subject: Reply with quote  Mark this post and the followings unread

And more important: How does it sound? Shocked
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jh



Joined: Jan 28, 2018
Posts: 3
Location: finland

PostPosted: Mon Jan 29, 2018 4:07 am    Post subject: Reply with quote  Mark this post and the followings unread

AlanP wrote:
WOW that is impressive!

What do the guts of it look like? Smile


Thanks.

Inside is some 200 meter of wire and casual pcb's, comparators, integrators, inverting and non inverting op amp's. Sorry, don't have picture and dare not to open hood, because prototype tends to have new faults every time the hood is open.

Last edited by jh on Fri Feb 09, 2018 1:36 am; edited 1 time in total
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LFLab



Joined: Dec 17, 2009
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Location: Rosmalen, Netherlands

PostPosted: Wed Jan 31, 2018 1:29 am    Post subject: Reply with quote  Mark this post and the followings unread

Well, you can post your thesis here, I assume it has some more info? Very Happy
What are you studying?
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kaputtpanzer



Joined: Nov 02, 2009
Posts: 78
Location: Cologne
Audio files: 2

PostPosted: Sat Feb 03, 2018 11:15 am    Post subject: Reply with quote  Mark this post and the followings unread

Built myself a little prototype board. Looks pretty crappy in a line with all your beautiful builds, but it is actually very useful. It has 4 fixed voltages (12V, 9V, 4,5V, 5V), 10x mounted pots and different audiojacks. Sorry for the crappy pics.

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

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PHOBoS



Joined: Jan 14, 2010
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PostPosted: Sat Feb 03, 2018 11:38 am    Post subject: Reply with quote  Mark this post and the followings unread

doesn't matter how it looks as long as it is useful Very Happy
I have thought about making something like that many times before and I think I even have a list of things I wanted to incorporate.
Someday, someday,.. Rolling Eyes

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kaputtpanzer



Joined: Nov 02, 2009
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PostPosted: Sat Feb 03, 2018 11:43 am    Post subject: Reply with quote  Mark this post and the followings unread

Hey Phobos, took me around 5 years to finally built this. It was finished in a few hours and it is totally worth it...
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Broadwave



Joined: Feb 16, 2007
Posts: 346
Location: Manchester UK
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PostPosted: Thu Feb 08, 2018 2:52 am    Post subject: Reply with quote  Mark this post and the followings unread

Just on the final leg of another Minimoog Clone - This one is built from the Guin Guin MME kit, and sounds amazingly like a genuine Minimoog (no reason why it shouldn't - same circuit to the 3046 VCO version), and still cheaper than hacking the Behringer D.

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.

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

Edit - March 19th. Finished the 5 week build

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

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elmegil



Joined: Mar 20, 2012
Posts: 2019
Location: Chicago
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PostPosted: Fri Feb 23, 2018 10:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

Probably doesn't yet count as "finished" but here's my Appendage PCB fully stuffed.


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Blue Hell
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PostPosted: Sat Feb 24, 2018 3:43 am    Post subject: Reply with quote  Mark this post and the followings unread

Shocked

never relalized that the appendage was that big and the pcb was that well stuffed.

It all works? or don't know yet?

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elmegil



Joined: Mar 20, 2012
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PostPosted: Sat Feb 24, 2018 8:25 am    Post subject: Reply with quote  Mark this post and the followings unread

I have not wired it up to any of the external controls, or the actual softpot, so no idea Smile
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AlanP



Joined: Mar 11, 2014
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PostPosted: Fri Apr 06, 2018 12:17 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.

962 style sequential switch Smile Trigger in, out, and pushbutton per stage Smile
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PHOBoS



Joined: Jan 14, 2010
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PostPosted: Fri Apr 06, 2018 1:04 pm    Post subject: Reply with quote  Mark this post and the followings unread

looks good alan Smile
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stolenfat



Joined: Apr 17, 2008
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Location: Sunny Oakland California
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PostPosted: Sun Apr 15, 2018 8:38 pm    Post subject: Reply with quote  Mark this post and the followings unread

I just finished a project I'm super excited about... so excited I made a little informative video with my free time.

https://www.youtube.com/watch?v=OMPya5KsqeY&t


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