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Taylor
Joined: Jul 13, 2006
Posts: 170
Location: us
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 Posted: Sun Oct 10, 2010 2:17 pm Post subject:
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| D'oh! Indeed. Being new to modulars I forgot about retuning the VCO's initial pitch. |
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Boogdish
Joined: Sep 21, 2009
Posts: 122
Location: Bloomington, IN
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| Posted: Sun Oct 10, 2010 3:16 pm Post subject:
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| Quote: | tommi wrote:
I am curious to see how it feels choosing smoothly between modes with a pot instead of a more 'traditional' rotary switch (wow, that's feticism i guess...)
If one takes the time to measure the values of the pot for the needed positions it should be quite easy to use a rotary switch instead w/ the correct resistors in line to switch through the modes. |
Yes, this is possible. I used a pot in the design to keep costs down. I thought it was easy to get used to using the pot to select modes though. Your ear should be able to quickly discern between the major and minor modes.
CV mode selection is definitely possible, and could be kludged onto these boards without too much difficulty. You could even bend the center pin of the pot back, run it to the switch of a switching mode cv input jack and then the tip of the jack could go through a zener shunting voltages above 5 and another diode for polarity protection then run down to where the center pin of the mode selection pot would normally go. That way when not using cv mode selection it would work normally. I should draw this up.
Taylor, slacker has the right idea. The easiest way to tune it would be to set your input voltage to zero, and then adjust the tune on your vco until you get whatever root you're desiring. I would like to experiment with having root voltage be user adjustable in the future.
[/quote] |
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Peake
Joined: Jun 29, 2007
Posts: 1113
Location: Loss Angeles
Audio files: 3
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| Posted: Mon Oct 11, 2010 8:57 pm Post subject:
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Oops, sent an email order before reading the entire thread...I'll happily pay extra to have an "octave" scale, to allow something like the Buchla/Wogglebug slow random modulator to shift octaves at the destination... Cheers, what a great project/offering!
_________________
We are selling emotions, there are no emotions in a grid. -mwagener
"IC 741. Sometimes you don't want fidelity." -Small Bear Electronics Catalog |
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Taylor
Joined: Jul 13, 2006
Posts: 170
Location: us
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| Posted: Mon Oct 11, 2010 9:22 pm Post subject:
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| Peake wrote: | | Oops, sent an email order before reading the entire thread...I'll happily pay extra to have an "octave" scale, to allow something like the Buchla/Wogglebug slow random modulator to shift octaves at the destination... Cheers, what a great project/offering! |
I like this idea, too. |
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Peake
Joined: Jun 29, 2007
Posts: 1113
Location: Loss Angeles
Audio files: 3
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| Posted: Tue Oct 12, 2010 1:45 pm Post subject:
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| Taylor wrote: | | Peake wrote: | | Oops, sent an email order before reading the entire thread...I'll happily pay extra to have an "octave" scale, to allow something like the Buchla/Wogglebug slow random modulator to shift octaves at the destination... Cheers, what a great project/offering! |
I like this idea, too. |
It should be fun to send to filters too, or to control panning, etc.
_________________
We are selling emotions, there are no emotions in a grid. -mwagener
"IC 741. Sometimes you don't want fidelity." -Small Bear Electronics Catalog |
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Dego
Joined: Apr 22, 2008
Posts: 139
Location: Sweden
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| Posted: Tue Oct 12, 2010 2:24 pm Post subject:
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| Peake wrote: | | I'll happily pay extra to have an "octave" scale, to allow something like the Buchla/Wogglebug slow random modulator to shift octaves at the destination... Cheers, what a great project/offering! |
+1
Is the latest code available if you want to add this random modulation? |
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Boogdish
Joined: Sep 21, 2009
Posts: 122
Location: Bloomington, IN
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| Posted: Tue Oct 12, 2010 7:46 pm Post subject:
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First off, BOARDS ARE IN! I built one up this afternoon and it's working. I have a bunch of boards/pics left. If you preordered one, you should be getting an invoice from me very soon.
Since the octave looks like it will be popular, I think I might just start offering the chip in two flavors. The current version (Bypass, Maj, Min, Maj Pen, Min Pen, Blues, Whole, Chrom) and one with notes more spread out for modulation purposes (Bypass, Maj, Maj Pen, Octave, Roots and Fifths, Tri-tone, Whole, Chromatic). I'll be informing people about this when I send them their invoices. If people don't indicate I'll be sending the standard version.
Also, I've updated the documentation PDF about this, which is on my very bare looking website: bartonmusicalcircuits.com |
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emdot_ambient
Joined: Nov 22, 2009
Posts: 667
Location: Frederick, MD
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| Posted: Wed Oct 13, 2010 10:18 am Post subject:
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| Boogdish wrote: | | ...I've updated the documentation PDF about this, which is on my very bare looking website: bartonmusicalcircuits.com |
Took a look at the web site...so what's going to be in the Deluxe CV Quantizer?  |
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Peake
Joined: Jun 29, 2007
Posts: 1113
Location: Loss Angeles
Audio files: 3
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| Posted: Wed Oct 13, 2010 11:25 am Post subject:
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Great idea (sorry to complicate things!).. Is Maj Pen a Major Pentatonic? And there's still a chromatic/whole tone for sequencers? Brilliant, I'll take the second version!
Cheers.
_________________
We are selling emotions, there are no emotions in a grid. -mwagener
"IC 741. Sometimes you don't want fidelity." -Small Bear Electronics Catalog |
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TekniK
Joined: Aug 10, 2008
Posts: 1059
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| Posted: Wed Oct 13, 2010 12:27 pm Post subject:
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Hi,is there any risk to damage the circuit if input voltages goes higher then 5v ?
Is it possible to buy only programmed pics? |
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Boogdish
Joined: Sep 21, 2009
Posts: 122
Location: Bloomington, IN
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| Posted: Wed Oct 13, 2010 5:57 pm Post subject:
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Teknik, unless I've misunderstood the datasheet, the PIC has internal diodes that will shunt voltages to the power rails if it gets too high or too low on the ADC inputs. As far as I know the chip itself has no overvoltage protection though, so connecting pin 1 to a high voltage could fry it.
I'd be happy to do chips by themselves. Does $6 plus shipping sound reasonable?
Peake, "Maj Pen" is shorthand for Major Pentatonic. The octave/fifths version still has Major, Major Pentatonic, Whole Tone, and Chromatic. The Minor/Minor Pen/Blues scales are the ones being replaced.
Emdot, The "Deluxe" version will have user editable modes, it'll use a bunch of switches and have leds thus require more panel space and be less simple. There are a couple other things I want to add, but haven't figured them out yet, so I won't mention them yet. It should be the bloated, inelegant version of this. |
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Peake
Joined: Jun 29, 2007
Posts: 1113
Location: Loss Angeles
Audio files: 3
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| Posted: Thu Oct 14, 2010 12:56 pm Post subject:
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Thanks, I really look forward to this 
_________________
We are selling emotions, there are no emotions in a grid. -mwagener
"IC 741. Sometimes you don't want fidelity." -Small Bear Electronics Catalog |
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Peake
Joined: Jun 29, 2007
Posts: 1113
Location: Loss Angeles
Audio files: 3
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| Posted: Mon Oct 18, 2010 10:38 am Post subject:
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Received! Thanks for the great, much-needed project, and best luck on your further endeavours. This is exactly what digital is for!
_________________
We are selling emotions, there are no emotions in a grid. -mwagener
"IC 741. Sometimes you don't want fidelity." -Small Bear Electronics Catalog |
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Boogdish
Joined: Sep 21, 2009
Posts: 122
Location: Bloomington, IN
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| Posted: Mon Oct 18, 2010 6:40 pm Post subject:
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I just updated the original post.
I was waaaay off on shipping prices (misplaced a decimal on the scale) for international orders. Everything is shipping USPS First Class. Overseas guys who've already paid, you should be receiving refunds for the difference.
Also, I changed the pricing for future domestic orders. Instead of $16ppd, it will be $14 per set plus a $2 shipping fee. This is more fair to people ordering in quantity.
Thanks everybody. Boards are still available. |
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andrewF
Joined: Dec 29, 2006
Posts: 1176
Location: australia
Audio files: 4
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| Posted: Mon Oct 18, 2010 7:54 pm Post subject:
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Thanks for that
much appreciated
Looking forward to some quantizers.....or rather the missus is, she hopes I might actually play in tune for once  |
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Dego
Joined: Apr 22, 2008
Posts: 139
Location: Sweden
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| Posted: Mon Oct 18, 2010 11:47 pm Post subject:
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| Thanks for refund. Really looking forward to try this out |
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funkyfarm
Joined: Jan 21, 2007
Posts: 583
Location: France
Audio files: 3
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| Posted: Tue Oct 26, 2010 1:49 pm Post subject:
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Yep !
i've been waiting for this project for months.
We'd take 4 pcb and 4 Octave/Fifth version Chips.
Thank you. |
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Boogdish
Joined: Sep 21, 2009
Posts: 122
Location: Bloomington, IN
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| Posted: Tue Oct 26, 2010 5:03 pm Post subject:
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I am now SOLD OUT of the first run. A big thanks to everyone whose ordered. I just finished ordering the second run of boards; they should hopefully be here by the end of next week.
Also if anyone has completed the project, I would love to get your feedback about this. |
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adambee7
Joined: Apr 04, 2009
Posts: 420
Location: united kingdom
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| Posted: Tue Oct 26, 2010 6:09 pm Post subject:
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| is it possiblr to purchase just 2 of the pics without pcb? |
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Boogdish
Joined: Sep 21, 2009
Posts: 122
Location: Bloomington, IN
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| Posted: Tue Oct 26, 2010 7:23 pm Post subject:
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| Sure, $6 each + $2 postage. PM me your e-mail address and I'll send you a paypal invoice. |
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LektroiD
Joined: Aug 23, 2008
Posts: 1019
Location: Scottish Borders
Audio files: 2
G2 patch files: 2
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| Posted: Wed Oct 27, 2010 12:06 am Post subject:
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I'm in for a board + PIC, if there's any left?
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LektroiD |
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adambee7
Joined: Apr 04, 2009
Posts: 420
Location: united kingdom
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| Posted: Wed Oct 27, 2010 2:08 pm Post subject:
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| Boogdish wrote: | | Sure, $6 each + $2 postage. PM me your e-mail address and I'll send you a paypal invoice. |
thanks man. i've pm'ed. these will go nicely in 3 sequencers i'm building on protoboards. |
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janvanvolt
Joined: Nov 24, 2005
Posts: 285
Location: Mainz, Germany
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Terrafractyl
Joined: Sep 21, 2010
Posts: 13
Location: Melbourne
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| Posted: Wed Oct 27, 2010 10:04 pm Post subject:
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I'd be keen for 2 of these 
awesome project, thanks a million |
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Dego
Joined: Apr 22, 2008
Posts: 139
Location: Sweden
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| Posted: Thu Oct 28, 2010 12:06 pm Post subject:
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Got mine today! thanks 
The pcbs are really small and easy to handle. |
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