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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
The 1st mp3 from my Lunetta machine!
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Thu Feb 26, 2009 6:29 pm    Post subject:  The 1st mp3 from my Lunetta machine!
Subject description: The Modular Deathlehem Machine #8
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"In The Beginning" ....... Wink

This is a short (about 2 1/2 minutes) little Sunday afternoon ditty, from the beginnings of my Lunetta machine.

This 1st recording, was done in stereo through a pair of Korg 8 bit reverb units set to 'Large Hall', to give some background ambience.

That, was the only effect used. The rest of the audio is coming from:

Left: 2 x CD40106 oscillators (roughly each, 47 to 4700HZ) modulating a 3 in NAND Gate

Right: 2 other CD40106 oscillators (roughly each, 47 to 4700HZ) modulating a 3 in NAND Gate

The pitch controls on 6 oscillators were adjusted as well as the ON / OFF switches for the 4 modulating oscillators.

The very beginning and very ending of the track, feature me waving my hands around in front of the panel, before adjusting any controls. This baby is ALIVE, I tell you! Very Happy Laughing

I hope you enjoy it! I was actually blown away by the huge # of sonic possibilities, from THAT module portion! (3 in NAND Gate with 2 of it's in's switchable between self or modulation input).

And the first panel isn't even finished yet. I haven't hooked up each of the 2 x, 3 input NAND Gates. Only the modulatable ones. I haven't hooked up the dual 4 bit shift register yet either. I just had to record SOMEthing though, after first hearing the 1st of the 2 of the modulatable 3 input NANDs. Surprised Surprised Surprised

Last edited by Rykhaard on Tue Sep 21, 2010 5:57 pm; edited 1 time in total
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scriptstyle



Joined: Jan 22, 2008
Posts: 250
Location: nj

PostPosted: Thu Feb 26, 2009 7:24 pm    Post subject: Reply with quote  Mark this post and the followings unread

very cool! Very Happy

looks like things are going to be picking up around here. i know i plan to have mine done before summer!
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RF



Joined: Mar 23, 2007
Posts: 1501
Location: Northern Minnesota, USA
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PostPosted: Thu Feb 26, 2009 7:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

Nice Rych!

Digeridoo's gone MAD!

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"I want to make these sounds that go wooo-wooo-ah-woo-woo.”
(Herb Deutsch to Bob Moog ~1963)
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stolenfat



Joined: Apr 17, 2008
Posts: 476
Location: Sunny Oakland California
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PostPosted: Thu Feb 26, 2009 8:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

all that just from your schematic of a 'newish type' oscillator?

very nice, i'll have to breadboard very soon
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monokinetic



Joined: Aug 01, 2006
Posts: 100
Location: prague

PostPosted: Fri Feb 27, 2009 3:35 am    Post subject: Reply with quote  Mark this post and the followings unread

Excellent work Ryk,

Thanks for sharing the schematic and wetting our taste buds with the MP3. Even more motivation to get my one finished Smile

David
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Fri Feb 27, 2009 3:57 am    Post subject: Reply with quote  Mark this post and the followings unread

Thankee bunches to everyone! Very Happy

One of the parts that HAS been so wonderful about building this little bastard - the feeling of "It's great to be BACK!" Wink
I'd forgotten how much fun it is to just build something simple, quickly and then while away at it maniacally with the recorder going. THAT was damn fun!

Now - quick question, just in case anyone would know:

I would like to find a way to 'program' a shift register's 4 steps, from switches. Would any of you out there know how, or a URL of some place that has example of it? I went searching for related examples on Google last night, but I couldn't find a thing.

My thought, was to have a few 4 bit shft registers, that I could program (like, Scott's Klee!). I could then cycle between them, for different sets of the 4 bit sections, to do whatever. Anyone?

(I laid out an idea yesterday, as to how it MIGHT be done, but I haven't had time to bread board it yet. I don't know if it would work.)

Thanks for any possibilities. Glad you enjoyed, as well. Very Happy Hoping to hear mp3's of someone else doing the same thing.
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monokinetic



Joined: Aug 01, 2006
Posts: 100
Location: prague

PostPosted: Fri Feb 27, 2009 5:05 am    Post subject: Reply with quote  Mark this post and the followings unread

Seeing how as you are awake already (isn't it rather early in Canada?) maybe I could ask if you would be willing to share the PCB?

I know in the Lunetta forum we are mainly sticking to suggesting breadboarding/stripboarding but this may give some of us a jump start....

Oh and I'm planning on having a strictly stripboard Lunetta, so if you post your PCB I'll have to relegate it to another box Smile

TIA

David
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Blue Hell
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Joined: Apr 03, 2004
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PostPosted: Fri Feb 27, 2009 9:02 am    Post subject: Reply with quote  Mark this post and the followings unread

Lovely noise Rych!
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Jan
also .. could someone please turn down the thermostat a bit.
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kkissinger



Joined: Mar 28, 2006
Posts: 1275
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PostPosted: Fri Feb 27, 2009 10:27 am    Post subject: like the baby's first words Reply with quote  Mark this post and the followings unread

Thanks for posting this. Lots of great sounds, there.

I remember how exciting it was after I built my first VCO (an Aries VCO back in 1976) and the thrill of hearing sound from it for the first time.

There is nothing like hearing one's work spring to life!

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http://kevinkissinger.com
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slacker



Joined: Nov 18, 2007
Posts: 301
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PostPosted: Fri Feb 27, 2009 11:10 am    Post subject: Reply with quote  Mark this post and the followings unread

Amazing sounds, definitely going to add a couple of those to my lunetta.

Rykhaard wrote:

Now - quick question, just in case anyone would know:

I would like to find a way to 'program' a shift register's 4 steps, from switches. Would any of you out there know how, or a URL of some place that has example of it? I went searching for related examples on Google last night, but I couldn't find a thing.


I haven't built it yet, but I'm going to have a an 8 stage programmable shift register in mine. It's just the CD4034 part, including the pattern switches, ripped straight out of the Klee schematic, with the data, parallel/serial, clock and output pins patched out. Then it will also have a push switch so you manually load the pattern or have it loaded by connecting a clock. I've tested it on breadboard and it works nicely.

You can also program CD4015 shift registers, but not with a switch for each stage. Basically you clock it slowly, say so it steps every second, Then you pull the data input high or low, and when it steps that value is loaded into the register, do that for 4 steps to get your pattern, then connect the data input to the last output and that pattern will loop. Then increase the clock to whatever speed you like.
You could do this with switches or just pull the data input high using a resistor, then plug a banana cable in and touch it to ground when you want 0 and let it float when you want 1, Again I've only tried this on the breadboard.

Hope that helps.
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Fri Feb 27, 2009 1:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

monokinetic wrote:
Seeing how as you are awake already (isn't it rather early in Canada?) maybe I could ask if you would be willing to share the PCB?

I know in the Lunetta forum we are mainly sticking to suggesting breadboarding/stripboarding but this may give some of us a jump start....

Oh and I'm planning on having a strictly stripboard Lunetta, so if you post your PCB I'll have to relegate it to another box Smile

TIA

David


PCB? Shore! BUUUUuuuuuuuuuttttttt ...... I do PCB's in what I call: "poor man's surface mount" style. (Originally suggested by Bernie Hutchins in his Electronotes Newsletter).
All of my parts (sockets for chips) are soldered DIRECTLY to the pads and traces. (leads bent at 90º). I've been doing it that way since the earlier 90's, with great success. Smile

So - my PCB's - instead of them being in REVERSE, they're NORMAL. You could still apply the printout (PnP) to copper. You'd just have to use the normal printout from ExpressPCB (which I have to reverse, first, so it shows up normally on the copper side of the PCB.)

Lemme know ....... aww heck. I'll just include them BOTH here. Smile 1 sec.....

Shit. The PCB extension is not allowed. Lemme know if you still want. I'll print out both versions; scan them and then include them as JPGs. (I hope the size will be maintained.)

Oh yeah - as to what you were babbling about - I'm doing all of my PCBs with ExpressPCB, as it's far quicker for me, than doing them by hand. I've worked with both solder pad and non-solder pad, perf boards and I can't stand either method. Razz I'm sticking as close to the 'mind set' I think though, as I can. Quick and dirty. Smile

My big question that I came to today, is whether I can also run my stuff on +15V. (I can't see why not, yet.) If so, then it could run from my normal modular, interfacing with it, as WELL as being battery operatable / portable for scaring people in public. Twisted Evil
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Fri Feb 27, 2009 1:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thankee greatly Jan and Kevin! Just the THRILL of it, man! LONG forgotten! Very Happy

Kevin - my very first successful build was in 1986 - my 4 x CD4011 oscillators (2 of them modulatable by the other 2). The thrill of THAT was amazing. Of course, I've built a bunch of modulars since, but ...... there's something about a 'noise' circuit that is so simple yet HUGELY enjoyable! Smile I love composing Baroque influenced as much as Noise based. Wonderful worlds, each. Smile

Since committing to the idea of my own Lunetta machine again, a few days ago - my brain has just been SCREAMING in design, ever since! NOW - that I was laid off work today, I'll have a little bit more time to start building some of these designs. Heh. Wink

Stuff coming up (hopefully) includes:

- programmable 4 and 8 bit shift registers (along with my Quadatrix Vertical Sequencer idea, for sequencing between sets of shift registers)

- digital (CMOS) 'drums' Wink (along with my Liquid HiHat - which IS CMOS based)

- more CD40106 oscillators

- more Triple Input NAND Gates (thought today, of including the Triangle and Square wave outputs, through LM358 buffers)

- Voltage Controllable SPDT switches (that I've already done, for my normal modular)

- CD4051 and CD4052 multiplexers (both directions)

- various bits of logic Gates

- CMOS panning multiple input mixers

Sorry - I'm babbling on excitedly! Laughing Can you imagine - someone (me) who is into creating HUGE orchestrations, applying THAT mindset, to a Lunetta machine?? Twisted Evil I can't WAIT! Laughing
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Fri Feb 27, 2009 1:49 pm    Post subject: Reply with quote  Mark this post and the followings unread

slacker wrote:
Amazing sounds, definitely going to add a couple of those to my lunetta.


I just LOVE the variance of sounds from it! Metallic as well as vocal! THAT blew me away also!

Quote:

Rykhaard wrote:

Now - quick question, just in case anyone would know:

I would like to find a way to 'program' a shift register's 4 steps, from switches. Would any of you out there know how, or a URL of some place that has example of it? I went searching for related examples on Google last night, but I couldn't find a thing.


I haven't built it yet, but I'm going to have a an 8 stage programmable shift register in mine. It's just the CD4034 part, including the pattern switches, ripped straight out of the Klee schematic, with the data, parallel/serial, clock and output pins patched out. Then it will also have a push switch so you manually load the pattern or have it loaded by connecting a clock. I've tested it on breadboard and it works nicely.

You can also program CD4015 shift registers, but not with a switch for each stage. Basically you clock it slowly, say so it steps every second, Then you pull the data input high or low, and when it steps that value is loaded into the register, do that for 4 steps to get your pattern, then connect the data input to the last output and that pattern will loop. Then increase the clock to whatever speed you like.
You could do this with switches or just pull the data input high using a resistor, then plug a banana cable in and touch it to ground when you want 0 and let it float when you want 1, Again I've only tried this on the breadboard.

Hope that helps.


In my layout idea that I came up with yesterday, what you had described for the 4 bit, fits with what I had thought of. My only stumping portion, was running the 4015 through it's 4 steps. I realized / remembered today, that Ray Wilson has a method for his MFOS Sequencer, that I could possibly borrow, to get the 4015 to 'read' 4 switches.

Thankee as well for babbling out the Klee bit! I'll load up the PDF and figure that portion out from there! I DO have a CD 4034 as I had bought all of the parts that I needed, to build it. (Then later selling the blank boards.)
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stolenfat



Joined: Apr 17, 2008
Posts: 476
Location: Sunny Oakland California
Audio files: 1

PostPosted: Fri Feb 27, 2009 6:28 pm    Post subject: Reply with quote  Mark this post and the followings unread

Rykhaard wrote:


digital (CMOS) 'drums' Wink (along with my Liquid HiHat - which IS CMOS based)





i had a rough idea once on how to do a cmos drum module. Lemme see what people think.

It starts with a clock fed in to a shift register (4015?) which sets the tempo. The idea was then to feed a noise signal into the data input, but i dont think that would work, im pretty sure now the shift reg will only take 1s and 0s.
But say it did work, then you'd get 4 streams of orderly noise, which could be ran though filters to cut the highs(bass), cut the lows (hats), notch (snare) which could be selected via a knobby. If all went well, you'd have some sort of rhythmy output which might sound like drums.

It was just an idea... maybe it will spark an idea in your head
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