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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
Freeform Lunetta Sculptures
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mosc
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PostPosted: Fri Jun 08, 2012 12:44 pm    Post subject: Reply with quote  Mark this post and the followings unread

Superb stuff herein. Sorry I missed this topic until now. We used to call this free-form construction "space wiring". These photos are quite nice. Bravo
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JingleJoe



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PostPosted: Fri Jun 08, 2012 2:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

How long was I gone? About 2 hours? I think that's a pretty good conception to completion time Wink Three LDR controlled oscillators on a 4093 chip, two are heterodyned with one of the remaining gates and then used to gate the third higher frequency oscillator.
The wires coming out of it are the output and power connections. It is powered by a 3V coin cell and output was through a resistor voltage divider so it wasn't giving full 3V output (I thought that might be a bit much for my computer's line in) after the voltage divider it was more like 300mV, it was happy with that Smile

I think I'll call it Graxnorgrath; "The thing from another world, of junk"


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nathanxl



Joined: Apr 24, 2012
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PostPosted: Sat Jun 09, 2012 1:43 am    Post subject: Reply with quote  Mark this post and the followings unread

Great stuff JJ.
Here is the updated Motor Driver unit for the Lunetta guitar. Simplified, combined and more powerful. Now the motors will pluck the strings with more gusto. Test bed now but a video of it with the 8string a humming soon.


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Stream Operator


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PostPosted: Sat Jun 09, 2012 3:13 am    Post subject: Reply with quote  Mark this post and the followings unread

My compliments to all of you brilliant creators! I'm inspired to do a little of this myself, we shall see...

Les

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JingleJoe



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PostPosted: Sat Jun 09, 2012 5:18 am    Post subject: Reply with quote  Mark this post and the followings unread

Inventor wrote:
My compliments to all of you brilliant creators! I'm inspired to do a little of this myself, we shall see...

Les

Go for it! I needed something like this to relax, it was really enjoyable. I'd been doing too much serious electronics Smile


Nathanxl; That latest one looks beautiful, a real work of art, very well made Smile

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Uncle Krunkus
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PostPosted: Sun Jun 10, 2012 6:59 am    Post subject: Reply with quote  Mark this post and the followings unread

Gotta give him some lifting capacity. Wink Cool


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PostPosted: Sun Jun 10, 2012 11:10 am    Post subject: Reply with quote  Mark this post and the followings unread

My effort will take a little while because of.. of... a rather labor-intensive secret! You'll be pleasantly surprised if i finish it!

Les

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nathanxl



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PostPosted: Thu Jun 14, 2012 9:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

Here is the latest freeformed module for my Lunetta Guitar.
It has 2 x 4Bit R/2R Ladders at the top to change Digital Gates into Control Voltages then these are spat out to 2 Slew/Glide circuits - out to 2 minijacks that I can connect to my outboard modular gear.
This module works real well and Im very happy with the results.
Might up a video of it if there is interest.


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tjookum



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PostPosted: Fri Jun 15, 2012 1:49 am    Post subject: Reply with quote  Mark this post and the followings unread

Beautifull work!

I really love the R2R design, it reminds me of a nest of eggs.

Im definately going to do some freeform lunetta myself in the near future.

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nathanxl



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PostPosted: Fri Jun 15, 2012 2:55 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks Tjookum.

Its really fun doing this, it forces me to think of creative solutions to problems that simply don't arise when using normal circuit design techniques. Not sure how useful these lesson are outside of freeforming but its fun nonetheless.

Highly recommended, please post up your work here, I for one would love to see it.

Maybe I could rename this module the Egg Nest DAC!!!
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Uncle Krunkus
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PostPosted: Fri Jun 15, 2012 4:13 am    Post subject: Reply with quote  Mark this post and the followings unread

I reckon it looks like a set of small missiles.
The attention to detail is stunning.
I love this stuff! It's like a hybrid of musical instrument, model making, steam-punk, high-tech, low-tech, sculpture and enlightenment/alchelmy art all at the same time.
The copper shine, with joints of tin is just so aethetically serene!!! Please polish these up with a dremmel buffer and hit them with a coat of lacquer! Cool

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Draal



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PostPosted: Fri Jun 15, 2012 5:12 am    Post subject: Reply with quote  Mark this post and the followings unread

I said it before...sweeet Cool ! This is what aliens will do with our remnants when the End Time comes.

I admire the patience it takes to make these things. Rock on transformer

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mosc
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PostPosted: Fri Jun 15, 2012 10:45 am    Post subject: Reply with quote  Mark this post and the followings unread

Beautiful! Don't know about the aliens at the end time, but art stimulates different minds differently. Confused
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Uncle Krunkus
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PostPosted: Mon Jun 18, 2012 5:44 am    Post subject: Reply with quote  Mark this post and the followings unread

I've breadboarded the circuit so far and the schem looks like this.
Not sure if I should replace all those diodes with a quad OR gate, cos I think the diodes will fit in better, and probably look better too. There's already about 5 * 14+pin chips planned which I have to find places for.


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JingleJoe



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PostPosted: Mon Jun 18, 2012 1:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

Ah, it's good ol' Company Name! I remember thier circuits well back from '06.

Nice work chaps Wink Everyone's circuits look great!

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Uncle Krunkus
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PostPosted: Mon Jun 18, 2012 2:19 pm    Post subject: Reply with quote  Mark this post and the followings unread

Yeah,
old company's one of my best drawers! Fairly non-descript chap, but his work seems to rise to the top of the pack, time after time. Laughing

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nathanxl



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PostPosted: Thu Jun 21, 2012 5:23 am    Post subject: Reply with quote  Mark this post and the followings unread

Not sure what chips these guys use but its FREEFORM PERFORMANCE SOUND ART yo!


http://www.loudobjects.com/
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inlifeindeath



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PostPosted: Thu Jun 21, 2012 8:22 am    Post subject: Reply with quote  Mark this post and the followings unread

pretty sure those dudes use a microcontroller, but cool nonetheless!
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tjookum



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PostPosted: Fri Jun 22, 2012 2:41 am    Post subject: Reply with quote  Mark this post and the followings unread

I've loved that performance ever since I first saw it and it's still very impressive. I heard from someone who went to a show that they use pre-programmed microcontrollers(PIC I believe). They also give away the finished piece after the show to someone in the audience.
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Mikmo



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PostPosted: Fri Jun 22, 2012 3:44 am    Post subject: Reply with quote  Mark this post and the followings unread

I was performing at the Pixel festival in Bergen (Norway) a few years back, Loud object was there and i saw the show.

They have a perspex sheet that they put on the overhead projector, then they start by adding a ground bus and Vcc bus.

Then they solder small preprogrammed PIC processors to the busses and solder wires to their audio outputs running the to a mixer.

As the piece builds up they solder more processors on, and move audio wires around (some processors have more that one audio out).

It's rather cool to watch (and hear)

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Captain_Clams



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PostPosted: Tue Jul 10, 2012 9:37 am    Post subject: Reply with quote  Mark this post and the followings unread

Hey Nathanxl, not sure if you uploaded one already, but I would love to see your lunetta guitar sculpture in action! Could you point me to a video? Very Happy
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nathanxl



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PostPosted: Tue Jul 10, 2012 7:19 pm    Post subject: Reply with quote  Mark this post and the followings unread

Sure Clams.
Here is a very short one that I posted up on the 4046VCO thread.
Its a little test to see how the VCOs react to my Slewing R/2R ladder.

I did a few noise gigs with the Lunetta Guitar last month, some were recorded.
Soon will have a vid of it making some heavy drones. Will post up here.
Thanks for the interest.
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mosc
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PostPosted: Wed Jul 11, 2012 1:14 am    Post subject: Reply with quote  Mark this post and the followings unread

Nathanxl, that is beautiful,

banana banana banana banana banana

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PostPosted: Wed Jul 11, 2012 3:32 am    Post subject: Reply with quote  Mark this post and the followings unread

mosc wrote:
Nathanxl, that is beautiful,

banana banana banana banana banana


Whoah! Five dancing bananas from mosc - a new record score for that one! and deservedly so, nice job Nathanxl!

Les

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Captain_Clams



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PostPosted: Wed Jul 11, 2012 3:51 am    Post subject:   Reply with quote  Mark this post and the followings unread

Shocked

I'm in love with the very concept.

Quote:
it making some heavy drones


And I can't wait to see that either. Very Happy
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