easily one of the most musical cmos tracks I've ever heard. Can you please explain how you used the 4046? A simple schematic goes a long way . _________________ There he goes. One of God's own prototypes. A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die.
Hunter S. Thompson movies noise
Joined: Jan 14, 2010 Posts: 6058 Location: Moon Base
Audio files: 728
Posted: Tue Jan 15, 2013 6:56 pm Post subject:
R2RVCO4PWM16022013
Testing a R2R-VCO combo. VCO is similar to what i got in my modular lunetta (4046) but with less opamps.
The R2R is inventor's tunable RnR (there is no adjusting during the recording though), and I used XOR's as buffers for it
with the 2nd pin of all the gates tied together and they can be controlled remotely (inverts everything). I mixed both
square and saw outputs together added a filter and some reverb. The RnR is controlled by a modular lunetta patch
Joined: Jan 14, 2010 Posts: 6058 Location: Moon Base
Audio files: 728
Posted: Wed Jan 16, 2013 6:13 am Post subject:
o and jcintheus, that 21st Century Schizoid Mess track is awesome!
I happen to be working on Tim Escobedo's PWM circuit at the moment
which also uses a LM386 and it's what I'm making the R2R-VCO for.
Guess I should do some tests with a divider between pins 3/4 too.
(why do these circuits always keep growing ?! ) _________________ "My perf, it's full of holes!" SoundCloudBandCampMixCloudTwitchYouTube The Golden Shrimp Guild
o and jcintheus, that 21st Century Schizoid Mess track is awesome!
I happen to be working on Tim Escobedo's PWM circuit at the moment
which also uses a LM386 and it's what I'm making the R2R-VCO for.
Guess I should do some tests with a divider between pins 3/4 too.
(why do these circuits always keep growing ?! )
Thank you, It's certainly a mess!
I'm not quite sure but I believe I used Tim's circuit as well.
Also I used the ubiquitous 4017/51 melody generator as the divider on pins 3&4 of the 4046,
with 3/4 of 1/2 of a 4015 on the ABC inputs of the 4051.(data on the 4015 fed by a 4006, a 74HC273, and a three XORs)
Plus clocks!
So yeah, they definitely keep growing!
Hi! This is my first Lunetta build. Its very simple, with two 40106 oscillators and a 555 lfo/osc. In this SoundCloud link Lunetta is recorded with Monotribe, tube preamp, fuzz, delay and reverb.
This is a very large piece with lots of Lunetta and other more conventional instruments.
I'm not sure this is the most appropriate spot for this but,
there's a resonable amount of DIY logic-type circuitry involved so...
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Joined: Nov 15, 2012 Posts: 35 Location: Cardiff, Caerdydd, UK
Posted: Thu Jun 13, 2013 4:30 am Post subject:
Unlurk and a sample
Ive been lurking around here for a while and thought it about time I gave some thing back for all the stuff I have learned here.
So here is one of my pieces of cacophony. It was made using 4 40106 oscillators 2 of which get feed into a XOR gate which feeds a 4040. 8 random out puts of the 4040 feed into a 4051 multiplex inputs. The 4051's A B & C controller are fed by 2 of the 40106 oscillators with the 3 control coming from one of the oscillators feeding the XOR gate. The common in/out providing the output. A single track was recorded and then duplicated with a little bit of delay and reverb.
Joined: Jan 14, 2010 Posts: 6058 Location: Moon Base
Audio files: 728
Posted: Sat Aug 02, 2014 6:35 am Post subject:
PHOBoS - ShiftSequence (Aug 02, 2014)
I wanted to make some sounds using the output from an R2R instead of a VCO which I mostly do, so I patched something up.
It has a shiftregister with the last bit fed back through an XNOR controlled by a tea candle LED (similar to the turing machine),
which in turn controls a mini melody generator (slacker).
Could be expanded with the tea candle LED turned on/off by the divider (did that manually now). And another R2R to control the VCO
connected to outputs of the divider and or shiftregister. But I ran out of patch cables (have to fix some)
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