Front panel, PCB Design and Fab
Front Panel Designer
KiCAD PCB software
PCBway fab house- Which I like very much.
JLCPCB fab house - Quality Fab House, I have used
Express PCB fab house - More expensive, I have used
Disti IC Parts
Etsy sourcing parts
Alfa Rpar ICs
Cabin Tech Global Alfa ICs
Hobbytronics shields
Hobbytronics wav-trigger
Adafruit VS1053b
Jameco IC-XR-2206
vwlowen XR2206
ebay XR2206
ebay Alpha Rpar
Cabin Tech Disti
Soundtronics
Sound Semiconductor
Syntaxis
Syntaxis Micromodular
Cool Audio Semiconductors
YAMAHA YMF262-M SOUND GENERATOR
Links to potentiometer distributors
Modular Addict Potentiometer parts
Ali express Potentiometers
Tayda Potentiometers - 50K linear, vert, 9mm
Links to Electro Mechanical distributors (jacks, etc)
Tayda electronics 1/8 inch jacks, vert
Aliexpress - 1/8 inch jacks, vert
Thonkiconn - 1/8 inch jacks, vert
Thonk UK - 1/8 inch jacks, vert
NYS2343
Major Discount Electronic Parts Distributors
All electronics Surplus
Parts Express Speakers and more
Electronic Surplus
Tayda Electronics - vertical mount Pots & Jacks
MPJA surplus
pololu
Ponoko Metal manufacturing - low end
Shapeways - Metal fabrication higher end
Ada Fruit - NYC Maker electronics
Spark Fun - Modules and more
Newark Electronics - Industrial parts distributor
Instructables
Synth Schematics & References
CEM3330 VCA schematic
CEM3310 ADSR schematic
CEM3360 Dual VCA schematic
More Eurorack module schematics
Music from Outer space
Ogee Eurorack module design
OG2 - Eurorack design
OG2 - Eurorack Alfa Rpar CEM3374 module design
Kassu2000 Schematics
Electro Music Blog - schematics
Electro Music Blog - Arduino
Synth Modules - Arduino shield
Fluxamasynth shield
fm-synthesizer-shield-for-arduino
Sparkfun music shield
Frequency Central Waverider digital VCO
Tindie dac-shield
Circuit Examples
Music from outer space
STEM Arduino Projects and other DIY circuits
Nuts-n-Volts Arduino Projects
Turing mkii
Pinterest DIYprojects
Makezine Synth Project
eleccircuit tda2030-audio-amplifier
Special parts, and Electronics in General