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 Forum index » DIY Hardware and Software
Octobox 4046 Midi synth
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2kohm



Joined: Feb 19, 2013
Posts: 40
Location: germany
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PostPosted: Mon Apr 08, 2013 1:24 pm    Post subject: Octobox 4046 Midi synth
Subject description: diy midi cmos synth
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simple 4046 VCO
4040 oktave divider
CV input
minicv Midi to CV converter


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Octobox
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octobox_demo.wav
 Description:
Demo Record direct to abelton with some filter,delay,reverb

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 Filename:  octobox_demo.wav
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isak



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PostPosted: Tue Apr 09, 2013 2:11 am    Post subject: Reply with quote  Mark this post and the followings unread

Looks and sounds great Smile

Any chance for a scheme and layout?
I love you stuff man, keep on posting!

Cheers,
Isak E.

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2kohm



Joined: Feb 19, 2013
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PostPosted: Tue Apr 09, 2013 3:21 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks isak Smile

yes! it is a pretty simple layout.

i draw it in Egale for you later Cool

and for the midi part you need the minicv from midi-hardware.com

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PostPosted: Tue Apr 09, 2013 3:31 am    Post subject: Reply with quote  Mark this post and the followings unread

Cheers man Smile

For the midi to cv I'll be using the Acx midi to cv lite
http://www.acxsynth.com/midi2cvlite/midi2cvlitefr.htm
It's simple to do and works!

Thanks again man Smile

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2kohm



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PostPosted: Tue Apr 09, 2013 3:34 am    Post subject: Reply with quote  Mark this post and the followings unread

cool website! how mutch is the PIC? did you programm it by yourself ?
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PostPosted: Tue Apr 09, 2013 3:56 am    Post subject: Reply with quote  Mark this post and the followings unread

I ordered 3 PIC's and 4 MCP from the company it self as samples to try.
Cost me very cheap including shipping.
The Hex is on the site, the code also.
I bought a cheap programmer from eBay and that's it Smile
Didn't try to burn the pic yet cause I dont know how, but I'll learn.
I know that it works cause of one of the threads here talked about it and confirmed it works.
The is a bigger one and more complex, it's polyphonic midi to cv, it will be cool to do, I need more experience to do it.
Hope it helpes.

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2kohm



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PostPosted: Tue Apr 09, 2013 4:04 am    Post subject: Reply with quote  Mark this post and the followings unread

yes, thanks again Very Happy

i am new to microcontrolers and i like the teensy2++ !! cheap and full midi integration.

i give this chips a try Very Happy

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PostPosted: Tue Apr 09, 2013 4:11 am    Post subject: Reply with quote  Mark this post and the followings unread

Happy I manage to help Smile

You can check the Arduino as well, I think it's more well known and have a lot of support worldwide, including here at electro-music, an Arduino dedicated forum we have here Smile

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2kohm



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PostPosted: Tue Apr 09, 2013 4:59 am    Post subject: Reply with quote  Mark this post and the followings unread

cool!!! i have to check it!
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PostPosted: Sat Apr 13, 2013 5:14 am    Post subject: schematic
Subject description: schematic
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here is the schematic

hope it works


4046-pll-midi-vco.pdf
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4046 midi vco

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PostPosted: Sat Apr 13, 2013 5:30 am    Post subject: Reply with quote  Mark this post and the followings unread

Thank man Smile
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