DIY Eurorack Builds
A directory of Eurorack modules you can build yourself, open-source and commercial kits alike. Browse by module type, maker, mounting, or difficulty; each module links out to its source, panels, and kits. Kits that ship with SMD pre-soldered count as through-hole, since that is all you solder.
This is a community effort. If you build, design, or just know of something missing, come and say so in the Discord, or send it through the form. Corrections are just as welcome as additions.
Particular thanks to bish im famous and Fihdi, whose corrections and repository digging shaped a lot of what is here.
868 modules · Resources
DIY Looping Delay
4ms · Looping delay
DIY Sampler
4ms · Stereo sampler
Euro Atoner
4ms · Downward harmonic stepper / degrader
Pingable Envelope Generator
4ms · Pingable envelope
Quad Clock Distributor Expander
4ms · QCD expander
Quad Pingable LFO
4ms · Quad pingable LFO
RCD Breakout
4ms · RCD expander
Rotating Clock Divider
4ms · Clock divider
SCM Breakout
4ms · SCM expander
Shuffling Clock Multiplier
4ms · Clock multiplier
Tap-O-Matic (DDV)
abluenautilus · Multi-tap delay (based on the OAM Time Machine)
AI001 Multiple
AI Synthesis · Passive multiple
AI002 Mixer
AI Synthesis · Audio / CV mixer
AI003 Looping ADSR
AI Synthesis · Looping ADSR
AI004 Filter
AI Synthesis · MS-20-style VCF
AI006 Stomp Box Adapter
AI Synthesis · Guitar-pedal interface
AI007 Quad VCA Mixer
AI Synthesis · Quad VCA / mixer
AI008 Matrix Mixer
AI Synthesis · 4-in/3-out matrix mixer
AI011 Analog VCO
AI Synthesis · Analog VCO
AI012 Wave Animator
AI Synthesis · Waveform animator
AI017 Low Pass Gate
AI Synthesis · Vactrol low-pass gate
AI018 Stereo Matrix Mixer
AI Synthesis · Stereo matrix mixer
AI022 Harmonic Mixer
AI Synthesis · CP3-style mixer
AI024 X Filter
AI Synthesis · OB-X-style VCF
AI028 VC Matrix Mixer
AI Synthesis · Voltage-controlled matrix mixer
3xOsc
aliqut · Triple VCO (Moritz Klein cores)
EuroPi
Allen Synthesis · Reprogrammable Raspberry Pi Pico module with 6 CV outputs, 2 knobs, 2 buttons and an OLED
EuroPi SMD
Allen Synthesis · Surface mount EuroPi with the circuitry preassembled and input detection added
16n Faderbank (rework)
AtoVproject · Fader controller (CV + MIDI)
Compressor
auxren · THAT 4301 based VCA compressor with dual LED gain reduction display
Sound Nicer
auxren · Psychoacoustic processor with process and contour controls
TripsQuad
auxren · Quad wavefolder with per-channel trimmed gain
AxB
Avalon Harmonics · Analog four quadrant multiplier with rectifier switches and attenuverters
CVMod4
Avalon Harmonics · 4 channel CV attenuverter, offset and mixer
CVMod8
Avalon Harmonics · 8 channel CV attenuator and offset
CVMod8 V2
Avalon Harmonics · 8 channel CV attenuverter, offset and mixer
CVModH
Avalon Harmonics · 2 channel CV attenuverter, offset and mixer in 1U format
iVCA
Avalon Harmonics · Stereo VCA with CV attenuverter and full range offset
KickAid
Avalon Harmonics · Kick rumble helper for ducking, EQ and mixing
kNOT
Avalon Harmonics · Triple logic NOT gate
LOGx
Avalon Harmonics · Dual logic gate with a swappable logic IC
MiniDJ
Avalon Harmonics · Stereo crossfader with a DJ style sweep filter
MiX
Avalon Harmonics · Compact 3 channel mono mixer
Nucleus
Avalon Harmonics · Geiger counter random trigger and gate source
PanVCA
Avalon Harmonics · Stereo VCA and panner with attenuverter and offset
Puff
Avalon Harmonics · Stereo multimode filter with a ping input
Pulse
Avalon Harmonics · Heartbeat sensor converted to CV, gates and triggers
R&F
Avalon Harmonics · Dual slew limiter with independent rise and fall
| Module | Maker | Type | Mounting | HP | Difficulty | License | Docs |
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