DIY Kits

  EarthQuaker Devices The Wave Transformer The Wave Transformer is an analog, vintage-voiced, voltage-controlled oscillator with over 8 octaves of accurate pitch tracking. It has 7 simultaneous wave outputs, including a unique Complex output. The...

From the manufacturer: While developing our ADDAC105 4 Voice Cluster module we made a new multimode filter to place after the summing mix stage. We were so pleased with its sound that decided to release it as a dedicated filter.To make it more...

Erica Synths mki x es.EDU Snare Drum No drum machine is really complete without a punchy, snappy Snare Drum. Together with the Kick, it creates the rhythmic backbone for most grooves. So for our percussion-focused second season of educational DIY...

  Beers 4029 Presettable Counter Classic CMOS presettable up/down counter IC in eurorack form. The rising edge of a signal on CLOCK increases or decreases the binary number available on outputs Q1, Q2, Q3,...

  Jolin Lab Gitgud Touch-Controlled LFOs   GITGUD is a pack of 9 individual LFOs – 5 squares and 4 triangle waves.   Features 9 individual analog LFOs with toggle switches to chain them. Individual touch...

  4ms Listen Up The Listen Up is a small passive expander for the Listen modules that provides stereo 1/4" (6.35mm) jack inputs and outputs. There are four 1/4" jacks arranged in Left/Right pairs. The Left jack of each pair can be used...

JSI Synth Progue Tabletop Synthesizer DIY (Hammond Case) The JSI Synth Progue is a monophonic analog DIY synthesizer inspired by the two well-known vintage synthesizers: the Moog Rogue and the Moog Prodigy. JSI took the best qualities of both and...

  Beers Summer Not very exciting. Just two identical summing circuits for mixing 2 or more audio and/or CV signals. A knobless mixer. Each circuit has 4x inputs with fixed 0.5x gain. The righthand side inputs are normalled to the input left of...

  Jolin Lab Goblet Filter + Distortion   GOBLET is an analog filter and distortion unit with some added quirks and extra controls.   Features Unique analog two pole circuit with custom optocouplers fed directly in the...

Erica Synths mki x es.EDU Labor Get started in circuit design with MKI x ES Labor. Developed in collaboration with Dr. Shalom D. Ruben teaching professor for engineering at the University of Colorado Labor is a fully-featured circuit design playground...

  Daisy Seed Development Platform Daisy is an embedded platform for music. It features everything you need for creating high fidelity audio hardware devices. Just plug in a USB cable and start making sound! Programming the Daisy is a breeze with...

  Barton BMC012 Stepped CV Generator   The Variable Stepped Voltage Generator creates control voltages based on gate and trigger inputs. It increases or decreases the voltage by a set interval or multiple of that interval. The...

  Yusynth ADSR Project documentation here: https://yusynth.net/Modular/index_en.html

Clacktronics Proto PSU Kit The Clacktronics Proto PSU is an easy to assemble kit which can be a breadboard supply, an internal Eurorack case supply, or a Eurorack module style power supply with a panel.   Proto PSU Documentation

  Antonus 2600 DIY Synthesizer We are excited to be supporting this amazing DIY synth project as the US distributor for Antonus. This is Toni’s ‘original size’ 2600 replica project and is quite special.  The main...

  The ADDAC305 Manual Latches is a combination of 8 manual latching switches in a small and elegant module: each button toggles between Gate high / Gate low when pressed, outputting a 5V gate signal. Additionally, 4 of the 8 available...

  Beers AND/OR Boolean logic AND, OR, NAND, and NOR outputs from up to four inputs. The toggle switches next to each input select between on, off, and inverted logic for that input. Down: ON - any signal greater than ~1V is logic 1 Middle: OFF -...

The CGS576 is an adaptation of the original Serge Envelope Generator from the early 'R' series. Rise and Fall times are adjustable from 5mS to 20S. [CV] affects both rise and fall equally while retaining their temporal proportaion relative to each other...

  Jolin Lab Ashiko Quad Stereo VCA   ASHIKO is a quad ping-pong VCA designed to create multi-directional stereo sounds starting with mono sources.   Features 4 Stereo full range VCAs. Transistors based CV inputs...

  Beast-Tek DD Expander module for Double Dragon DD - Double Dragon Expander! ​ ​Because removing modules from a case just to change configuration jumpers often feels like a flying dagger in the eye socket, an optional 2HP expander named DD is...

  Clee Triple Comparators/Logic This module contians three voltage comparator circuits, each with a positive and negative input and an offset control connected to the negative input. The output will be high (aprox 5v) when the positive input is...

  4 CHANNELS OF DIGITAL LOGIC BLISS, WITH LOVE FROM THE 8-BIT ERA ***This kit ships with an unflashed ARM. ARM will need to be flashed by the customer*** Enough with the analog, warm and organic. Edges is a module strictly focused on the...

  Erica Synths mki x es.EDU VCF   Who doesn’t love a good resonant low pass VCF? It’s arguably the beating heart of any subtractive synth – adding character, dynamics, and a good deal of retro-futuristic oddness to your...

  We – Erica Synths and Moritz Klein – have developed a series of educational DIY kits under the brand name mki x es.EDU with one specific goal in mind: to teach people with little-to-no prior experience how to design analog synthesizer...

  Mini synthesizer on the top.  Mini sequencer on the bottom. Power supply: +/-12VDC (reverse-polarity protected!). Width: 18HP Depth: 0.83in / 21mm