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 Forum index » DIY Hardware and Software » Musical Interfaces
From a mixer to a step sequencer!!
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Cardinen



Joined: Sep 15, 2009
Posts: 38
Location: Italy

PostPosted: Sun Sep 07, 2014 11:54 am    Post subject:  From a mixer to a step sequencer!! Reply with quote  Mark this post and the followings unread

Hi all,

i want to share with you one of the craziest project i' ve ever did!

I had a broken mixer in my workshop waiting to be repaired for years...
a few months ago i got the idea to build a step sequencer for my 5U modular;
I did not need the mixer at the end, from there I got the crazy idea that the mixer could be the step sequencer !!
it took me about 6 months to complete and solve the many problems that I had, i reused the original card with all its knobs and switches along with the front panel, the most difficult part of the work was the tracks cutting!
I had so many problems with ground plane contacts ecc. bui i'm glad everything work as expected now, this is my new toy Very Happy
5 X 8 analog step sequencer with 2 Gate lines + Arduino based quantized CV output with display control.

Based on Ken Stone analog gate sequencer : http://www.cgs.synth.net/modules/gate_sequencer2.html


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Cardinen



Joined: Sep 15, 2009
Posts: 38
Location: Italy

PostPosted: Sun Sep 07, 2014 11:58 am    Post subject: Reply with quote  Mark this post and the followings unread

Here's the story...


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Blue Hell
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Joined: Apr 03, 2004
Posts: 20623
Location: The Netherlands, Enschede
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PostPosted: Sun Sep 07, 2014 11:59 am    Post subject: Reply with quote  Mark this post and the followings unread

Nice project!
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Cardinen



Joined: Sep 15, 2009
Posts: 38
Location: Italy

PostPosted: Sun Sep 07, 2014 12:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

panel cut


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Cardinen



Joined: Sep 15, 2009
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Location: Italy

PostPosted: Sun Sep 07, 2014 12:05 pm    Post subject: Reply with quote  Mark this post and the followings unread

PCB Cut

@Blue Hell: Thanks!!


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Cardinen



Joined: Sep 15, 2009
Posts: 38
Location: Italy

PostPosted: Sun Sep 07, 2014 12:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

PCB cut 2


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Cardinen



Joined: Sep 15, 2009
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Location: Italy

PostPosted: Sun Sep 07, 2014 12:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

PCB and Panel


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Cardinen



Joined: Sep 15, 2009
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Location: Italy

PostPosted: Sun Sep 07, 2014 12:13 pm    Post subject: Reply with quote  Mark this post and the followings unread

remove components


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Cardinen



Joined: Sep 15, 2009
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Location: Italy

PostPosted: Sun Sep 07, 2014 12:14 pm    Post subject: Reply with quote  Mark this post and the followings unread

Wiring


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Cardinen



Joined: Sep 15, 2009
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Location: Italy

PostPosted: Sun Sep 07, 2014 12:16 pm    Post subject: Reply with quote  Mark this post and the followings unread

Final wiring


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Cardinen



Joined: Sep 15, 2009
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PostPosted: Sun Sep 07, 2014 12:18 pm    Post subject: Reply with quote  Mark this post and the followings unread

a lot of wiring...


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Cardinen



Joined: Sep 15, 2009
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PostPosted: Sun Sep 07, 2014 12:20 pm    Post subject: Reply with quote  Mark this post and the followings unread

White panel


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Antimon



Joined: Jan 18, 2005
Posts: 3730
Location: Sweden
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PostPosted: Tue Sep 09, 2014 7:42 am    Post subject: Reply with quote  Mark this post and the followings unread

Clever! Very Happy
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PHOBoS



Joined: Jan 14, 2010
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Location: Moon Base
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PostPosted: Wed Sep 10, 2014 2:03 pm    Post subject: Reply with quote  Mark this post and the followings unread

excellent work! thumleft
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Paradigm X



Joined: Feb 15, 2011
Posts: 281
Location: Null and void

PostPosted: Fri Sep 12, 2014 9:24 am    Post subject: Reply with quote  Mark this post and the followings unread

Very clever. I have an old mixer ive been meaning to do something similar with. Still in the ever increasing backlog...

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