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 Forum index » DIY Hardware and Software » Arduino
Talko LPC synth
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Sebo



Joined: Apr 27, 2007
Posts: 564
Location: Argentina

PostPosted: Mon Dec 28, 2015 11:27 am    Post subject: Reply with quote  Mark this post and the followings unread

Great, thank you!
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Sebo
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My Music:
https://www.facebook.com/cosaquitos/
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deladriere



Joined: Nov 10, 2014
Posts: 23
Location: belgium

PostPosted: Sat Jan 02, 2016 8:16 am    Post subject: Reply with quote  Mark this post and the followings unread

just added 5 freshly assembled Talko module here http://buff.ly/1YWSIJ9
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deladriere



Joined: Nov 10, 2014
Posts: 23
Location: belgium

PostPosted: Thu Feb 11, 2016 11:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi @Sebo
Any updates on your 5U single side PCB ?
Cheers,
Jean-Luc
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Sebo



Joined: Apr 27, 2007
Posts: 564
Location: Argentina

PostPosted: Fri Feb 12, 2016 10:05 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi, I finished the design, It get's more complex than I wanted. It's 3 PCB.
I did one PCB as a general Arduino Shield for my projects, with 4 CV controls and attenuators, and output filtering and leveling. A second PCB that is a CV expansion with 2 CV controls and attenuators. And a third PCB for the display.
I ended with this 3 PCB design beacause I wanted something flexible to build multiple projects with same PCBs.

Talko can work with just the first PCB (with a little mod) or with the first and the display PCB, but ideal is with the 3 PCB so you can have controls and attenuators on all parameters and the display.

I etched the PCBs but didn't have the time to build the module, so the design is untested. I was planning to upload the design once tested, but if you want I can send you the files so you can check them.

Also my wife sing (pretty well) and I plan to add some numbers and words in spanish to the software (we are from Argentina). I will send you the code when it's done (if I can get the whole thing to work).

Cheers

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Sebo
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https://www.facebook.com/cosaquitos/
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deladriere



Joined: Nov 10, 2014
Posts: 23
Location: belgium

PostPosted: Sun Feb 14, 2016 11:34 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi
what will you use the display for ?
I am also working on a OLED I2C 128x64 for the next version

About your wife singing : how will you process the sounds and encode them ?
Cheers,
Jean-Luc
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Sebo



Joined: Apr 27, 2007
Posts: 564
Location: Argentina

PostPosted: Mon Feb 15, 2016 10:23 am    Post subject: Reply with quote  Mark this post and the followings unread

The display is the 7 segment LED display you used for showing bank selection... I don't plan to use it for anything else right now.

For the process of the the voice I will follow the instructions you posted in your blog.

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deladriere



Joined: Nov 10, 2014
Posts: 23
Location: belgium

PostPosted: Mon Feb 15, 2016 10:54 pm    Post subject:   Reply with quote  Mark this post and the followings unread

Feel free to send me the file for checking
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deladriere



Joined: Nov 10, 2014
Posts: 23
Location: belgium

PostPosted: Sat Apr 30, 2016 9:34 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi Sebo
Any progress with your version of Talko ?
Cheers,
Jean-Luc
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Sebo



Joined: Apr 27, 2007
Posts: 564
Location: Argentina

PostPosted: Tue May 03, 2016 11:13 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi Jean-Luc:
It advances very slowly. I get busy with my band (working in a new album) and family... Hope I can finish it soon...

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Sebo



Joined: Apr 27, 2007
Posts: 564
Location: Argentina

PostPosted: Thu Sep 22, 2016 3:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi, this is my layout for the Talko Module in 5U (MU) format.
I designed it to use the same boards with other Arduino projects (Mozmo, etc), so you have to mount some components for Talko and some not.
Also I divided it in 3 boards as some other projects don't use all analogue inputs or the display.
For Talko you need all 3 boards, but you can make it work without the display board.
And note that analogue input 3 is meant to use as a 1V/Oct in some projects but not in Talko, so you have to do some mods to use that input.
Finally I forgot to make headears for the switches so you have to solder the wires directly to the ATmega pins. Sorry.


For TALKO:

Mount D9 and D10, R201 (10K) and R202 (1K).

Output PD3 (Pin 5 - Digital Out 3) - Mount R103 (220 ohms) - DON'T Mount R100A (1M), R100B (1M), R101 (3K9), R102 (220 ohms)

Switches - Bend: Digital Out 5 (Pin 11) - Loop: Digital out 4 (Pin 6)


For MOZMO:

DON'T Mount D9 and D10, R201 (10K) and R202 (1K).

Output Hi Fi PD9 and PD10 (Pin 15 y Pin 16) - Mount R100A (1M), R100B (1M), R101 (3K9) - DON'T Mount R102 (220 ohms), R103 (220 ohms)
Output Standard PD9 (Pin 15) - Mountr R101 (3K9) CHNAGE TO 220 ohms - DON'T Mount R100A (1M), R100B (1M), R102 (220 ohms), R103 (220 ohms)


Enjoy!


Sebo Arduino 5U Module.zip
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 Filename:  Sebo Arduino 5U Module.zip
 Filesize:  894.1 KB
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