Synth

Misc

• Books
• Tech Note 069 - Using the ESP32 ADC and some of its more advanced functions

DIY

• DIY Throughhole MI Braids - Modular in a Week and A DIY Mutable Instruments Peaks TH STM32 Reversion - Modular in a Week,
• "Supercell which is Clouds on steroids, check it out!"
• LEET-Modular multifunction modules
• Some HAGIWO pcb files
• some mutable instruments mods
• HAGIWO
• Where did I find the best VCO design for my DIY Eurorack Modular Synth?
• DIY Modular in a Week part 0 intro and PSU
• /r/synthdiy
• Design mistakes in synth schematics
• Understanding stabilization capacitors
• This guys recommendations
• yusynth
• Alu panels water slide decals
• Ornament & Crime + github + uO_c +

uOC flat untested but has kicad files. + Video with link for PCBs

• Temps Utile
• Turing Machine MK2 (also by same Music Thing and Radio Music / Chord organ]
• rebeltech GitHub
• The Definitive Connecting Power Thread
• thinks through hole links module
• ATtiny85 MIDI to CV is this the same thing?
• ADSR
• [https://www.skullandcircuits.com/?v=d3dcf429c679
• Befaco have schematics and the Rampage BOM doesn't seem to include any fancy chips.
• EPFM (Electronic Projects for musicians) Build notes and layouts
• Music Thing
• Precision ADSR

VCO

'Brand'	Name	Main Chips	Notes
Hagiwo	[ $7 Re-build ] DIY eurorack modular synth LFO/VCO with arduino nano & AD9833	AD9833, Arduino Nano	LFO also
Kassutronics	VCO 3340	3340
Modular in a Week	40106 Hex Oscillator Bank	40106	Square only, various ranges based on resistors/caps
LMNC	Synth Voltage Controlled Oscillator 1v/oct tracked DIY how to.	CEM3340 (Not an aliexpress???)

OpenSource PCBs

• Eurorack Awesome
• Mutable Instruments
• Erica Synths (2 years old), Erica Synths EDU

Sells PCBs+KITs

• Nonlinearcircuits
• Befaco

YouTubers

• Moritz Klein
• HAGIWO
• Synth Diy Guy