[ art / civ / cult / cyb / diy / drg / feels / layer / lit / λ / q / r / sci / sec / tech / w / zzz ] archive provided by lainchan.jp

lainchan archive - /diy/ - 535

File: 1426272423721.png (113.84 KB, 293x300, promophoto-onyx-ashanti-oct-2012.jpg)


anyone building their own instrument or other music-related hacks?


I'm not. But if you are, I would be totally interested in following your progress and soykaf.

Whacha doin', lainon? Do you have any specific ideas yet?


File: 1426374624781.png (261.09 KB, 200x113, maxresdefault.jpg)

Well I only know how to play edrums, so I just want to make my own samples. And maybe play with leds like this dude.


Once I made an erhu using steel wires, a steel frame, and a part of a broken sax attached to the amplifier box. It sounded like METAL WEEPS OF DEMONS. I failed music that grade.


File: 1426533921501.png (2.15 MB, 200x114, IMAG0255.jpg)

<- Here is the crappy contact microphone I made.

It is a piezo disk soldered to a 1/8" female jack socket.

A contact mic only picks up the vibrations travelling through solid objects, not the vibrations in the air. Connect the jack to a battery powered amp and speaker or even directly to an active PC speaker. Blu-Tack it to a surface and play around with it.

Total cost was around £3, so there is no excuse not to try this project. You can build this even if you don't have the tools to do soldering but the connections won't be as strong, you just need two bits of wire, a piezo disk and the jack, strip the wire and twist it to connect it up.

My next planned project is a set of Schmitt-trigger oscillators. Just need the chip, couple of capacitors and resistors, 9V battery, potentiometer and breadboard. I will keep you posted on progress.


I'm currently trying to program a bassline synthesizer for electronic music production. My idea is to generate data in the Fourier space and then take the reverse transform of it in order to get an audio sample.

I'm also thinking of implementing user defined envelopes (functions that control the volume or other parameter of the sample as a function of time), perhaps something hand drawn for maximum freedom.


any recordings?
I wanna hear it in action


File: 1426624432892.png (16.3 KB, 200x56, muhwaveforms.png)

tilde.city/~sasha/201503171946.flac - xbox controller motor sounds
tilde.city/~sasha/201503172028.flac - re-recording of subwoofer playing out some Richard Chartier

There is clipping. I am not sorry about it.


nice, thanks
The sound is much more clear than I expected it to be, although I would have used the piezo from computer motherboard and would use lower resistance wires, this is really good project for some cheap buck, thanks once again


Work in progress:


audio ripped from an episode of Lain + some crap beats I stole off the internet, all cut up and warped in audacity


File: 1428523072307.png (1.62 MB, 200x114, IMAG0267.jpg)

Today I built an oscillator.

It sounds like this http://tilde.city/~sasha/oscillator.mp4

Soon I will build more oscillators and feed them into each other (I can put 6 on this chip)

Let me know if you're interested and I'll write it up for the zine.


File: 1428532027894.png (114.6 KB, 200x200, naoto_shirogane.jpg)

Please do!
Myself and many others would love to read through it and recreate the steps


I'm building a synthesizer that uses direct digital synthesis (inverse FFT) for the waveforms with digitally controlled analog filters.




What IC is that?


not that anon, but you can do the same thing with 555


File: 1428646897376.png (15.44 KB, 200x200, 40106.jpg)

It's a 40106 Hex Inverting Schmitt Trigger. 6 logical NOT gates on a chip.

Pin 7 and 14 are power.

We take the output from one NOT gate pin 2 and feed it to its own input pin 1 through a resistor, with a capacitor between pin 1 and ground. The NOT gate flips about and we get a square wave.


That's what I thought. I was wondering why what he used had so many pins.


Neat. The capacitor makes the wave uniform?


File: 1428690864298.png (45.08 KB, 200x151, _SQWAVE.gif)

There are three things at play:

1. This is a logic chip, so pin 2 is either 'on' or 'off', with on always being the same voltage. So we either get high voltage or nothing sent to the audio output. This gives the output a square waveform.

2. The "Schmitt Trigger": The threshold to trigger the gate to flip to 'on' (a low voltage at pin 1) and the threshold to flip back to off (a high voltage at pin 2) are different on this chip. So when pin 2 is 'off' the voltage supplied to pin 1 has to decay quite a bit before pin 2 will switch 'on' again. Once it's on the voltage has to ramp up quite a bit to switch pin 2 'off'. So the output has two relatively stable states and oscillates between the two.

3. The capacitor takes a little time to fill up with charge received via the resistor from pin 2 before it discharges. If you liked you could work out the exact time with some equation using the resistor and capacitor values. Since I'm using a potentiometer (variable resistor with a knob) I can change the frequency of the oscillations.

555 is also a good chip for an oscillator. You set up a couple of capacitors and resistors to control the timing in a similar way and you get a high-low oscillation output at pin 3.

I really want to build a few of the things from that site. My dream is to build a 'noise box' of my own design with a few oscillators and a some tone and distortion controls. Gotta get my 'minimum viable product' complete first though.


The Hackaday "Logic Noise" articles about abusing TTL logic chips for synth use are also good.
They have moved on from the basic 4069 osc and are now making amplifiers and filters from it!


File: 1429932951736.png (34.42 KB, 200x133, MG_3257-1_1.jpg)

If you guy are looking for a cool easy project, you could always build a 3 radio theremin.


But I must warn you that this machine is a untameable noisy ambient texture generator. Made one for a girl once… She liked it.


I had an idea for a similar synth.
basically you distribute diracs and such in the frequency spectrum, and with some functions or such you control their behavior/parameters.
A reverse transform would generate a signal.
For example you could create a sine, and manipulate its frequency and amplitude in the form of some function.
Or distribute diracs in such a fashion that they create a square-wave, and manipulate some of its harmonics.
I imagine you could do some cool soykaf with that, and if its well done have some nice visualization of what is going on.


I'm attempting to build a Tube Screamer pedal clone, but my fine motor skills are so horrendous, I just lose motivation for it after I complete part of it.

Eventually I want to around with some DSP based effects, but that'll be after I've built some nice analogue effects.


Here's a synth project made by someone who posted on 4chan's /diy/ as Resident /sci/ economist. It's made with a bunch of independantly operating oscilators, and is designed to be tuned in just intonation: https://chadtech.github.io/3.html


File: 1461183957556.png (89.73 KB, 200x143, throat mike.jpg)

Tried picking up your voice with it, like in pic related?

Wondering about the dynamics when applying it to the body.

The reverse I wonder about too, attenuating the piezo by line-out and putting it against the skull or a box.


I want to make my own music, not enough dubstep with an indian groove vibe going on,. In fact, there's little to none out there. So I figure I could start. Anyone got a good idea or am I stuck with flstudio 11 and the internet?


>Anyone got a good idea or am I stuck with flstudio 11 and the internet?
Pretty much. I would advise looking up how to reproduce dubstep or whatever you want and tweak everything for a few month. After that, start defining your style. Learn other programs and instruments as you go - it will keep you from FL prison.


Thats really cool! Definitely will be doing something like this. Thanks anon!



The dude in purity ring made his own synth thing.


I'm not good with physically building things, but I have been working on a software synth that uses a computer keyboard as input device. The reason I made my own was to be able to play around with xenharmonic/microtonal tunings with a generalized keyboard layout. It's in a really rough state; I need to change the C code to change the sound, but it's really fun since I am completely free to experiment with the sounds and tuning.

At some point I'm going to figure out how to get input from multiple keyboards, and maybe program a sequencer for the synth so that it would be easier to actually compose music.



I made this circuit bending an old walkie-talkie with my fingers.
You might possibly consider it musical...


File: 1471783315265.png (881.06 KB, 200x112, tapes.jpg)

I found a small company that produces tape release, basically an underground label. Cost is around $2-3 per cassette, which is very cheap imo. Have any Lains got any experience with releasing music on tape? What do you think?


I have a raw black metal project. All my demos and releases are on tape. I use tapes frequently for recording things as my car has a tape player. I have accum


ulated over 100+ blank tapes from thrift stores.


Accidentally hit send btw sorry



I made this laser haarp. Used Arduino for the electronic part (lazer diodes + photores) and a C# interface to reproduce sounds, communicating over USB. It can also play sounds with a buzzer, but it's pretty annoying.


I've been making music in software like LMMS and moving it over to cassette, but I want to start doing DIY synths.
Does anyone have any resources (.pdfs) about this topic?


File: 1474918250618.png (50.15 KB, 200x154, Screenshot at 2016-09-26 15-29-50.png)

I've been making a bunch of noise toys in PureData if that counts. I'm working on putting them all in one patch, like in the pic, but I still have some more to put there, I also have to give them outlets so I can make a filter patch and hook them into it like a module synth.


File: 1480019340519.png (8.77 KB, 200x172, a_fb63d24d.jpg)

Попячтесь, ибо грядет!


Move to Super Collider. PD is a crutch.


File: 1481339457586.png (2.48 KB, 120x117, 1409761735485.jpg)

>PD is a crutch
So, it's still fun

I finally got JACK working, and messed with supercollider a little bit, it's pretty schway, but I don't know anything about programming, any book or tutorial suggestions?


popyachsya sam, genuis


File: 1481590700956.png (482.74 KB, 105x200, 54a7557fc7530702005257b3_512.png)

Not exactly DIY but related because music.
I just bought one of these bad boys, I'm still trying to make sense of it because I've never used a rythmbox before.
Basically it's a tiny, very barebones drumbox with some strict limitations, but there are about 6 different models each performing a different set of functions, the green one (one I have) is a rythmbox, while others are more oriented towards more melodic sounds, so to speak.
And they can be strung together to combine their powers, as seen in video.


idite ka vy oba nakhuj/


File: 1486218856508.png (1.92 MB, 113x200, jm.jpg)

I've swapped out the bridge on my VMJM. Easy enough mod to do, as it drops out when you slacken the strings enough. I plan to do some more in-depth stuff with it (e.g. wiring and pickup swaps), at which point I'll start a thread about it.


One of the reasons I love EMG pickups is because they're solderless.


File: 1486272113434.png (232.56 KB, 200x80, korg-nanokontrol-2-black.jpg)

Im using some max device and some cleverness to turn a cheap korg nano kontrol 2 into an ableton controlled drum machine; main winning point is the feedback leds, main losing point is that if i change modes and move a knob or fader i lose the ability to know what position it was on the other modes

Planning on learning max to use the buttons as fx knobs and volume faders (10% - 20% - 30%- 40% etc), leave the knobs for special fx and the faders for the looper thingy


File: 1486505500974-0.png (102.25 KB, 150x200, IMG_20161015_210254.jpg)

File: 1486505500974-1.png (163.67 KB, 150x200, IMG_20161015_205638.jpg)

I built this synth a few weeks ago, it's a preenfm2 kit. Really awesome and affordable desktop FM synth with up to 6 operators and 14 voices (8 if it's a 6 op algorithm). It's also capable of putting out 4 different instruments at the same time, so if you're a clever programmer you can make full tracks on just one unit. Great for Sega Genesis style sounds and it reads DX7 patches, though it sounds slightly different from Yamaha's brand of FM. Here's a sound demo: https://youtu.be/peIoMwklRkQ

Oh hey, I just ordered the same bridge for my VMJM. How do you like it so far? In a week or two I plan on doing a treble bleed mod as well as maybe adding some copper shielding because mine is humming quite a bit. I might upgrade the electronics and pickups later on down the line. Definitely keep us updated.


File: 1486664991788-0.png (25.83 KB, 155x200, thin-lines-circuit-board-male-tattoos.jpg)

File: 1486664991788-1.png (39.98 KB, 117x200, circuit-board-tattoo-designs-for-men.jpg)

File: 1486664991788-2.png (91.24 KB, 200x197, outline-black-ink-circuit-board-mens-tattoos-on-back-and-shoulder.jpg)

i have always wanted to get a pcb tattoo like OP's image. but i think placement of the lines based on arm shape {make,break} the piece.


File: 1487000166340.png (254.67 KB, 200x150, setup.jpg)

i do some diy synth building. Mostly modular analogue and digital stuff


This is something I'd love to get into. Can I ask how you started? There's so many different little parts and I'm just not sure what to pick up first (modular analogue, that is).


The first thing people try is always an Atari Punk Console. Easy as fuarrrk. But i started with kits from places like MFOS, thonk, aisynthesis or 4MS. Or try digital style synths (Lunetta). I'm building stuff for 3 years now and mostly just read schematics without actually understanding what it does in detail. Works fine for me. Best forums to find friends and advice is muffwiggler.com or electro-music.com


Thanks, I'll check those out when I get home. What kind of power supply do you need to push all that?


Answered my own question. aisynthesis actually has a great startup guide.


Mine's a Staytrem bridge. It looks like the Mustang bridge you bought, but it's not. The Mustang saddles aren't able to be adjusted, and so they're set to the radius of your fretboard. Trouble is the radius on our VMJMs is larger than that of the Mustang, so there's extra work to do. The other thing is that the string spacing on mine is different so the E strings are closer in on the fretboard.

Installing it is piss easy, it just drops right in. I love it for that. I notice some reverb where there wasn't any before, which is a bit odd. I originally bought it because my original bridge height screws got loose and the action became unplayably low. This feels more solid due to the high quality construction.


I plan to do copper shielding, pickup replacement, wiring cleanup, neck sanding, and a tremolo replacement.


File: 1491256530965-0.png (1.81 MB, 200x113, beginning.jpg)

File: 1491256530965-1.png (1.46 MB, 200x113, rats-nest.jpg)

Ah, how little I knew this would be such an annoying project.

>that wiring

>shielding paint only
Wew lads


File: 1491256625557-0.png (1.83 MB, 200x113, trigger-warning.jpg)

File: 1491256625557-1.png (1.46 MB, 200x113, shielding.jpg)

File: 1491256625557-2.png (1.71 MB, 113x200, shielding-ii.jpg)

Copper shielding and soykafty soldering.


File: 1491256732395-0.png (1.81 MB, 113x200, aesthetics.jpg)

File: 1491256732395-1.png (1.84 MB, 200x113, soon.jpg)

Next I'll need to modify the pickguard to fit an import body, do some neck work because the second fret got damaged in transit, and replace the tremolo with a US made one.


File: 1491257394288.png (1.81 MB, 113x200, better.jpg)

Figured the stickers looked better on my junker.