Difference between revisions of "Land Boards Synth Components"

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[[Eurorack Box Build]]
 
[[Eurorack Box Build]]
 
== Reference Docs ==
 
 
* [https://doepfer.de/home_e.htm Doepfer Eurocard inventor/specs]
 
** [https://doepfer.de/a100_man/a100t_e.htm Principles of Voltage Control]
 
* [https://www.tigoe.com/pcomp/code/communication/midi/ MIDI Communication]
 
* [https://www.perfectcircuit.com/signal/midi-to-cv Creative Control Strategies: MIDI to CV]
 
* [https://www.behance.net/gallery/113377671/EuroPi-Making-EuroRack-Affordable EuroPi]
 
* [https://reverb.com/news/beginners-guide-to-eurorack-case-basics-oscillators-filters Eurorack Beginners Guide]
 
* [https://en.wikipedia.org/wiki/Eurorack Eurorack Wiki page]
 
* [https://github.com/clacktronics/AudioJacks KiCad Audio Jack Symbols]
 
* [https://www.midisoft.de/ MidiSoft]
 
** [https://www.midisoft.de/EuroRackDimensions/EuroRack_Dimensions.html EuroRack Dimensions]
 
** [https://www.midisoft.de/EuroRackDimensions/holes.jpg Panel Holes]
 
* [https://minimidi.world/#how-trs-midi-works A simplified guide to TRS MIDI]
 
* [https://www.midi.org/midi-articles/updated-how-to-make-your-own-3-5mm-mini-stereo-trs-to-midi-5-pin-din-cables How to Make Your Own 3.5mm mini stereo TRS-to-MIDI 5 pin DIN cables]
 
* [https://division-6.com/learn/eurorack-power/ Eurorack Power Connectors]
 
* [https://www.midi.org/specifications-old/item/midi-din-electrical-specification MIDI Electrical spec]
 
* [https://www.facebook.com/groups/403937676290574/ Eurorack Facebook group]
 
=== Projects ===
 
 
* [https://github.com/elkayem/midi2cv elkayem midi2cv GitHub page] - Nano based project
 
** Arduino MIDI library has '''not''' yet been ported to Pico so will need to use Python
 
** Drives 4 CV outputs: Pitch Blend, Control, Note, Velocity
 
** This card only drives Note (Voltes/Oct, Mod)
 
* [https://github.com/benevpi/PicoPicoSynth PicoPicoSynth]
 
* [https://github.com/Deftaudio/Midi-boards Deftaudio GitHub] - KiCad footprints
 
* [https://github.com/TomWhitwell/TuringMachine Turing Machine]
 
* [https://github.com/gavD/arduino-drum-machine DIY Hackable Arduino Drum Machine]
 
** [https://www.youtube.com/watch?v=4u4Px2gMwGw vIDEO]
 
* [https://www.notesandvolts.com/2014/07/build-auduino-granular-synth-part-1.html Build the Auduino Granular Synth]
 
* [https://benjiaomodular.com/ Benjie's Synth DIY notes] - Nice docs
 
* [https://www.reddit.com/r/synthdiy/ REDDIT Synth DIY]
 
* [https://github.com/tkilla64/eurorack tkilla64] Nice collection of Eurorack module designs - mostly Gerbers
 
* [https://github.com/ScottBillingsley/Philosophy-of-Noise Scott Billingsley Philosophy of Noise] - GitHub Repo
 
* [https://github.com/hires/Dintree Andrew Kilpatrick DINTREE GitHub]
 
 
=== KiCad Libraries ===
 
 
* [https://github.com/benjiaomodular/KiCadLibraries Ben Jiao Modular KiCad Libraries]
 
* [http://graybloomfield.com/guitar/synth/ graybloomfield] - Very nice Arduino based designs
 
 
=== Other Notes ===
 
 
==== Daughterboard Heights ====
 
 
* From notes on [https://www.youtube.com/watch?v=HMDGYm91Q1Y How to Make Great Looking Modular Front Panels - Part 3 Module Circuit Board Layout]
 
** The absolute maximum of other boards I've seen is 111,5 mm and the TipTop Happy Ending Kit offers a space of 112,5 mm
 
* 114.8mm measured between 3U Synthrotek rails
 
** 128.5mm - 114.8mm = 13.7mm both sides, 6.875mm per side
 
** 111.5mm daughtercard, leaves 8.5mm clearances top/bottom
 
 
==== Part Orientations ====
 
 
* For pots with built-in pointers, pot pins go down for pointer to go up at center point
 
 
==== Front Panel Jacks ====
 
 
* [[Eurorack Panel Jacks]]
 
 
==== Eurorack Vertical Pots ====
 
 
* [[Eurorack Pots]]
 
 
==== Op Amps ====
 
 
* From [https://www.apogeeweb.net/circuitry/TL084-op-amp.html#tl084-vs-tl074 this site]
 
** The TL084 Op-Amp is very similar to TL074 but has high noise immunity and better offset characteristics.
 
** The TL074 has lower noise figure, so is better for AC signals.
 
** The TL084 has lower offset, so is better for DC signals.
 
** The TL084 has better DC performance (low offset) and the TL074 has better noise/distortion performance.
 
** '''You can use TL074s on the audio paths, TL084s on the control paths.'''
 
** [https://www.ti.com/lit/ds/symlink/tl071h.pdf?HQS=dis-mous-null-mousermode-dsf-pf-null-wwe&ts=1666712437480&ref_url=https%253A%252F%252Fwww.mouser.com%252F TL074 Datasheet]
 
** [https://www.ti.com/lit/ds/symlink/tl082m.pdf?HQS=dis-mous-null-mousermode-dsf-pf-null-wwe&ts=1666740012859&ref_url=https%253A%252F%252Fwww.mouser.ca%252F TL084 Datasheet]
 
* The TL074 is $0.75 in qty 10 ([https://www.mouser.com/ProductDetail/Texas-Instruments/TL074CN?qs=AMJt07B76uv7dLYnj7iLiQ%3D%3D on Mouser])
 
* The TL084 is $0.55 in qty 10 ([https://www.mouser.com/ProductDetail/Texas-Instruments/TL084CN?qs=q2XTDbzbm6ANF36GVAxPiQ%3D%3D on Mouser])
 
* The TL072 and TL082 are both about the same price as each other, but are more expensive than the quad parts
 
 
=== Module Kits ===
 
 
* [https://www.ericasynths.lv/ Erica Synths]
 
** [https://github.com/erica-synths/diy-eurorack Erica Synths DIY GitHub]
 
* [https://syntherjack.net/category/project/ SyntherJack] - DIY Synths
 
* [https://www.befaco.org/# BEFACO] - Kits
 
* [https://store.kassutronics.net/eurorack-diy-c-1/ Kassutronics] DIY Store
 
** [https://github.com/kassu/kassutronics Kassutronics] DIY GitHub
 
* [http://musicfromouterspace.com/index.php?MAINTAB=HOME&VPW=1024&VPH=500 Music From Outer Space]
 
* [https://www.thonk.co.uk/shop/ Thonk Shop] - in UK
 
* [https://www.synthrotek.com/ synthrotek]
 
* [https://github.com/TomWhitwell/TuringMachine TuringMachine Mark 2]
 
 
=== Software ===
 
 
* [https://docs.circuitpython.org/projects/midi/en/latest/api.html adafruit_midi CircuitPython API]
 
** [https://github.com/adafruit/Adafruit_CircuitPython_MIDI/tree/main/examples Example code]
 
* [https://learn.adafruit.com/raspberry-pi-pico-led-arcade-button-midi-controller-fighter/coding-the-raspberry-pi-pico-midi-controller MIDI Controller in Python]
 
* [https://learn.adafruit.com/qt-py-rp2040-usb-to-serial-midi-friends/coding-the-qt-py-rp2040-usb-to-serial-midi-friends USB to Serial MIDI]
 
* [http://www.midieditor.org/ MidiEditor]
 
* [https://hello-world.blog.ss-blog.jp/2016-10-16 Convert binary files to C data arrays (Arduino)] - In Japanese
 
* [https://github.com/AntumDeluge/bin2header Binary to C Array]
 
* [https://sensorium.github.io/Mozzi/ Arduino Mozzi Library]
 
* [https://github.com/marcel-licence/esp32_basic_synth esp32_basic_synth]
 
* [https://github.com/marcel-licence/esp32_usb_midi esp32_usb_midi]
 
* [https://github.com/FortySevenEffects/arduino_midi_library arduino_midi_library]
 
* [https://github.com/rppicomidi/midi2usbhost Pico MIDI Host to MIDI UART Adapter]
 
 
=== Hardware/Parts ===
 
 
* [https://store.synthrotek.com/ Synthrotek Store]
 
* [https://www.thonk.co.uk/shop/thonkiconn/ THONKICONN – 3.5MM JACK SOCKETS]
 
* Potentiometers are usually marked with an "A" for logarithmic taper or a "B" for linear taper;
 
* [https://www.mouser.com/c/passive-components/potentiometers-trimmers-rheostats/potentiometers/?q=RV09AF&orientation=Vertical RV09AF vertical mount is Alpha pot] part number
 
* [https://www.tubesandmore.com/products/potentiometer-song-huei-linear-9mm-tall 9mm Pots]
 
* [https://www.taydaelectronics.com/hardware/3-5mm-plugs-jacks.html Tayda 3.5mm Jacks and stuff]
 
 
=== Samples ===
 
 
* [https://samplefocus.com/tag/drums Drum Samples]
 
  
 
== HAGIWO Builds ==
 
== HAGIWO Builds ==

Revision as of 15:19, 26 October 2022

Eurorack Plywood Box 02 cropped-720px.jpg

Synth Modules (Standalone)

Synth Modules (Standalone)

Eurorack Modules

Eurorack Synth Modules

MOD Designs

Synth Mod Designs

Box Build

Eurorack Box Build

HAGIWO Builds

  • HAGIWO on Reddit
  • Mapping of Land Boards Synth cards to HAGIWO designs
    • Purpose is re-use of Land Boards card elements for HAGIWO designs
FUNCTION 3.5MM POTS TOGG PBS ROT DIN5 CPU LINK
MIDI-IN-OUT 0 0 0 0 0 2 NONE
SCF-2 2 0 0 0 0 0 NONE
SYNTH-MIDI-CTL-01 4 0 0 0 0 2 XAIO RP2040
SYNTH-MIDI-CV4-01 4 0 0 0 0 2 XAIO RP2040
SYNTH-MIXER6-01 7 7 0 0 0 0 NONE https://note.com/solder_state/n/nffc1a33053be
SYNTH-VCO-01 4 2 2 1 0 0 XAIO RP2040 https://note.com/solder_state/n/nca6a1dec3921
SYNTH-VCO-03 4 2 2 1 0 0 XAIO RP2040 https://note.com/solder_state/n/nca6a1dec3921
No.56 Sample Drum 3 1 1 0 0 0 ESP32C3 https://note.com/solder_state/n/n950ed088c3cb
No.55 V2164 Dual VCA 6 6 0 0 0 0 NONE https://note.com/solder_state/n/nd82c027d0597
No.54 PT2399 clock sync delay 4 3 1 0 0 0 NANO https://note.com/solder_state/n/nf6dc0a61e26d
No.52 Reverse step sequencer 4 8 2 0 0 0 CDT7350 https://note.com/solder_state/n/n13c49f08ca1f
No.50 LFO/VCO rebuild 2 3 1 0 0 0 NANO/AD9833 https://note.com/solder_state/n/nd2c22a73e8fe
No.49 Clock Divider 11 0 0 0 0 0 TC4040BP https://note.com/solder_state/n/n7979cda44dcb
No. 47 Sample & hold 3 2 1 0 0 0 LF398 https://note.com/solder_state/n/n29b52f4f01f1
No.46 Dual Envelope generator 4 8 0 0 0 0 NANO https://note.com/solder_state/n/n6fb73eb1d8b8
No.45 Diode clip Distortion 2 3 0 0 0 0 NONE https://note.com/solder_state/n/n5f35e2e84a3e
No.44 Wave shaper & VCA 2 1 0 0 0 0 NONE https://note.com/solder_state/n/nfdc2e198255a
No.43 Envelope Follower 4 3 0 0 0 0 NONE https://note.com/solder_state/n/n110e9ba066b3
No.42 PCM drum 6 4 2 1 0 0 NSX-1/SAMD https://note.com/solder_state/n/neabe7e014c11
No.40 Voltage controlled switch 8 1 0 1 0 0 NJU211 https://note.com/solder_state/n/n98883e71f814
No.39 Diode ladder VCF 3 3 0 0 0 0 NONE https://note.com/solder_state/n/n598f23105ec4
No.38 Touch controller 5 1 1 4* 0 0 NANO/MPR121 https://note.com/solder_state/n/ncd42925f726b
No.37 Overflow folding VCO 4 3 0 1 0 0 XIAO https://note.com/solder_state/n/nf01e7c92b010
No.36 LM13700 Dual VCA 6 2 0 0 0 0 LM13700 https://note.com/solder_state/n/n3357199504d8
No.35 CV to MIDI 6 1 0 0 0 1 NANO/SSD1306 https://note.com/solder_state/n/nb618127f37c9
No.33 Dual Quantizer 7 1 0 0 1 0 SAMD/SSD1306 https://note.com/solder_state/n/nb8b9a2f212a2
No.32 Spin FV-1 multi FX 5 5 0 0 0 0 NANO/FV-1 https://note.com/solder_state/n/n1c402a78a0fe
No.31 Ring modulator & wavefold 4 3 0 0 0 0 AD633 https://note.com/solder_state/n/n9d138d74b39d
No.30 Euclidean rhythm sequencer 7 0 0 1 1 0 NANO/SSD1306 https://note.com/solder_state/n/n433b32ea6dbc
No.29 SH-101 type sequencer 7 1 TRIM 0 1 1 0 SAMD/SSD1306 https://note.com/solder_state/n/n80f4baf81226
No.28 DSP multi effector 2 0 0 0 0 0 DSP https://note.com/solder_state/n/nd9c984a9ab7a
No.27 5ch mixer 6 6 0 0 0 0 NONE https://note.com/solder_state/n/nffc1a33053be
No.26 V2044 VCF 3 3 0 0 0 0 V2044 VCF https://note.com/solder_state/n/n0fabdc23fe1e
No.25 Oscillo scope & Spectrum analyzer 3 1 1 0 1 0 NANO/SSD1306 https://note.com/solder_state/n/n6b4cc8d1c6b9
No.24 V2164 Dual VCA 6 2 0 0 0 0 V2164 https://note.com/solder_state/n/n14a8be5f7118
No.23 CHORD VCO 4 3 0 0 0 0 NANO https://note.com/solder_state/n/n681d2e07e324
No.22 Additive VCO 4 3 0 0 0 0 NANO https://note.com/solder_state/n/n30b3a8737b1e
No.20 CV/GATE 8step sequencer 3 8 1 0 0 0 CD4022BE /NE555 https://note.com/solder_state/n/n4da93d157f26
No.19 FM VCO 4 3 0 0 0 0 NANO https://note.com/solder_state/n/n88317851a4c7
No.18 2OSC VCO 3 3 1 0 0 0 NANO https://note.com/solder_state/n/n71c67b5aaeca
No.17 Multi mode Envelope generator 2 4 1 0 0 0 NANO https://note.com/solder_state/n/n69643b792274
No.16 CV/Gate sequencer & Arpeggiator 5 0 0 1 1 0 NANO/SSD1306 https://note.com/solder_state/n/n7c2809976698
No.15 TR-808/909 sample player drum 5 0 0 1 0 0 SAMD/SSD1306 https://note.com/solder_state/n/n0209d16d0d08
No.14 KICK 3 4 0 0 0 0 NANO https://note.com/solder_state/n/ne33e32660d50
No.13 Noise & Hi-hat 4 3 0 0 0 0 NANO https://note.com/solder_state/n/nf65437f12790
No.12 Clock SYNC LFO 2 4 0 0 0 0 NANO https://note.com/solder_state/n/n4c600f2431c3
No.11 MIDI to CV 4 1 0 0 0 1 NANO https://note.com/solder_state/n/n17e028497eba
No.10 Gate Burst/Delay 4 2 1 1 0 0 NANO https://note.com/solder_state/n/n28b5c43229af
No.9 6ch trigger sequencer 7 0 0 1 1 0 NANO/SSD1306 https://note.com/solder_state/n/n17c69afd484d
No.8 SX150 VCF 3 2 1 0 0 0 NANO/MCP4726 https://note.com/solder_state/n/n5136d98930a8
No.7 Quantizer 4 2 1 0 1 0 NANO/MCP4726 https://note.com/solder_state/n/nde97a0516f03
No.6 Clock multi divide 4 2 1 0 0 0 NANO https://note.com/solder_state/n/n8907f2f6e8f5
No.5 Generative sequencer 3 2 1 0 0 0 NANO/MCP4911 https://note.com/solder_state/n/n8a489f0b857a
No.4 samplar 3 1 1 0 1 0 NANO/TF PLAYER https://note.com/solder_state/n/n6057a5256042

Videos

  • Hooking together modules