DIY Kits

  Frequency Central Waverunner LFO Based on a modified and improved tapLFO PIC from Electric Druid.   This full DIY synth kit comes with a black panel, and also includes the pcb, power cable, panel and pcb parts, wire, headers...

Universal panel PCB for 8HP eurorack modules Features: 16 slots for placing panel side elements: up to 8 potentiometers, up to 16 toggle switches, up to 16 jack sockets module depth: 38.2mm with main PCB (e.g. umodule) mounted vertically; 17-20mm with...

  Barton BMC054 Stereo Output   This module is a 4 channel panning mixer that provides stereo outputs for your modular system. It has synth level outputs for the L/R channels and a headphone output. 12hp aluminum Eurorack panel designed by...

  Erica Synths diy mki x es.EDU VCA mki x es.EDU VCA is a simple yet efficient dual VCA for your eurorack system. It has DC-coupled inputs so you can use the VCA both for audio and CV signals. Inputs of the second VCA are normalled to the first...

  Clee Quad VCA, LW 4U Version This module is based on circuits described here by Philip Gallo, and based on Mike Irwins circuit for creating a linear VCA with the SSM2164 Quad VCA chip. CoolAudio currently manufactures the V2164 clone of the SSM...

Beast-Tek Transmuter ​​ Transmuter is a bi-directional 8 channel MIDI to gate/trigger AND gate/trigger to MIDI packed into a single 10hp module. Transmuter was designed to get your external gear working together with your Eurorack modular so...

  erica synths diy mki x es.EDU EG   Many iconic sounds like the squelchy acid bass line, snappy techno kick drum, and swelling dream pop pad wouldn’t be possible if it weren’t for envelope generators. So, the next module in the...

  1U Cattenuator Dual Attenuator Passive project #7 The Waveform 1U Cattenuator module is a 12HP dual passive attenuator utility. These are pretty easy to build, and the instructions on how to build this can be found on our Build...

  NLC1039 Hyper Wien (Aluminum NLC)   LIMITED AVAILABILITY Classic chaos module by Nonlinearcircuits. Thru-hole PCB uses vertical metal film resistor placement.  Classic aluminum brushed euro panel (no longer available via NLC)...

  The "Gateway" Oscilloscope – Project #2 Project #2 is a pretty easy to build, inexpensive Eurorack oscilloscope. The instructions on how to build this are detailed in issue #2 and can be found on our Build...

  atoVproject Gaeto The AtoVproject Gaeto is a new type of clocked logic module. Gaeto is a great module to play around with triggers, gates and legatoes turning one into the other. As a result we decided to name the module Gaeto from...

  Circuit Abbey 2144 Low Pass VCF dotcom/MU New from Circuit Abbey! Based on the Sound Semiconductor SSI2144, this module replicates the sound and feel of classic SSM2044 filters from the past.  New dotcom/MU panel design by...

  The Switchenator project #3 Waveform DIY Project #3 - The Switchenator - is a dual passive attenuator and dual switching module for Eurorack. The instructions on how to build this are detailed in issue #3 and can be found on our Build...

Punch v1   Limited quantity avcailable – not restocking.  

  Oakley Euro Sequencer Build documentation here: https://www.oakleysound.com/Sequencer%20Builder's%20Guide.pdf User Guide here: https://www.oakleysound.com/Sequencer%20User%20Manual.pdf Aluminum panel for eurorack based on Oakley...

  Percolator 2W Tube Guitar Amp (valve amp) DIY kit The Percolator 2 Watt Tube Amp (valve amp) DIY KIT is perfect for electric guitar, cigar box guitar and harmonica. Ideal for bedroom, apartment, practice, studio, or stage. Unlike any other...

    BD-Z BD-Z is a versatile kick drum module for Eurorack system focus to design a wide range of bass drum percussive sounds. The implementation of thru-zero FM/PM BD-Z can deliver an immense variety of textures and harmonics, it has an...

  Frequency Central More VCAs MORE VCAs is a compact (4HP width) dual VCA module based upon similar circuits found in vintage ARP synthesisers.   Best for where rack space is at a premium, and when you need that warm analogue goodness...

  Zeppelin Design Labs Cortado MkII Contact Mic DIY Kit   The Cortado MkII Balanced Buffered Contact Mic kit contains a phantom-powered circuit that balances the signal from a piezo transducer and matches its high output...

  MFOS Sound Lab Ultimate Full synthCube Kit— includes PCBs, Panels, all parts.  The Ultimate enclosure is being developed and will be available soon! DOES NOT INCLUDE A POWER SUPPLY The MFOS Adjustable Bi-Polar Power Supply is...

    Operat Operat is a highly functional, analog oscillator with a multitude of blendable modulation features, making it a module that is just as good as a collaborator as it is a solo module. Operat offers four basic waveshapes hat are...

  Altura MkII Theremin MIDI Controller / Arpeggiator   The Altura MkII DIY Kit is a MIDI controller / sequencer / arpeggiator that emulates a theremin. As you move your hands  in the air, the Altura MkII transmits MIDI data to your...

  Frequency Central Seismograf SD synthCube DIY synth kit Seismograf is a PIC based drum module featuring coding by Jetroid. There is currently a choice of two PICs which may be used with Seismograf, ‘BD‘ and ‘SD‘. As you...

  NLC1109 Big Jobs   This module is an audio rate chaotic signal generator; it contains 3 phase locked loop ICs (PLL) connected in a circle via their phase difference inputs. It was inspired by the paper - A New Type of Intermittency from a...

CGS501 NCOM, 4U LW 1" Version Bundle includes the panel, pcb and bracket   CGS501 Documentation

  Erica Synths mki x es.EDU VCO The mki x es.EDU VCO is the first educational DIY kit in this series. It is an analog sawtooth-core oscillator with a reasonably accurate volt/octave tracking, made from just a handful of basic components. It...

    Ephemere This is a high-resolution dual-channel recording interface for your signals. You can record from 1014sec at 172Hz up to 4 seconds at 44.1kHz of signal on each channel, change the playback speed also it scan through the...

  Frequency Central Seismograf BD synthCube Kit Seismograf is a PIC based drum module featuring coding by Jetroid. There is currently a choice of two PICs which may be used with Seismograf, ‘BD‘ and ‘SD‘. As you might...

  The MidSide Job is a stereo mid/side module for the Intellijel 1U format. Plug in the left and right inputs and then take out either the middle, sides, or both parts of the stereo image to be processed separately. Add reverb...

  Frequency Central Cryptograf NO LONGER AVAILABLE FROM FREQUENCY CENTRAL — Limted run of full synthCube kits.   Cryptograf is a 4 bit to 16 step addressable analogue sequencer. Each of it’s 16 steps can be addressed in any...