DIY Kits

    The Pikocore is a lo-fi music mangler based on the Raspberry Pi, developed by Zack Scholl. The original DIY kit comes in a miniature pocket calculator formfactor, but we at Erica Synths wanted to make it more playable, so we...

ADDAC 814A 6X6 Stereo Matrix Mixer Jacks Expansion DIY Kit This is the jacks expansion DIY kit for the jacks module only. Does not include the Matrix Mixer.

I’ve been doing no-input mixing with guitar pedals and various devices for almost two decades, while the modular synth is a wonderful instrument it was lacking a standalone, dedicated device for no-input mixing which was odd to me because feedback...

Spectrum is a 16hp switched capacitor filter with resonance control but unlike other switched capacitor filters (like Clot) it is not driven with an onboard oscillator. It instead takes an input signal and uses it as a clock to switch the capacitors...

The QU is a 10HP phaser and sound mangler inspired by the Doppelganger phaser pedal from the 90’s and the works of Turkish sci-fi writer CM Kosemen The QU module has two outputs (which you can use for stereo duties), one is clean and the other is...

AGRIPPA is the world’s first stereo “ring modulator” named after the German philosopher Heinrich Cornelius Agrippa von Nettesheim (1486 –1535). It goes about ring modulating in a different manner altogether, using a CMOS...

I’ve been doing no-input mixing with guitar pedals and various devices for almost two decades, while the modular synth is a wonderful instrument in itself it’s lacking a standalone, dedicated device for no-input mixing which was odd to me...

Lucid is a dual/2-channel CV-mixer (3 inputs each and an output per channel) with a chaotic CV core. A chaotic “engine” is normalled to input 1 on both channels. Each output (top jacks) has attenuverters to offset the “sum” on...

DE-9 Box of Angels is a three stage bandpass filter/bandpass-gate with integrated noise source in 12HP. Box of Angels can be used as three serial filters, a bandpass gate/crude VCA, and as a separate gritty noise source. The noise source is normalled to...

Health is a 12hp clock generator, “wave shaper” and dedicated (clocked) sound source.  It accepts both audio and clock in its input . It has 3 pots regulating its internal clock through aNAND gate, a dedicated clock out for that...

NÖDSIGNAL is a 6hp true stereo broken tape machine simulator. As such it is capable of doing vibrato, chorus as well as ring mod(ish) sounds with the right modulation. Input on channel one (left) as well as CV for the same channel is normalled to...

Tangram is a 8HP Dual LFO with a chaotic core! Each LFO has 2 outputs, triangle and square which are 10v ppv. The chaotic internal CV signals (of which there are 2) are normalled to the CV inputs of each LFO. Using the corresponding pots for each CV...

The design of CLOT is based on an original idea by Jan Hall, first published in Electronotes EN 92 page 14-15 then refined and published as a manufactured PCB by Ken Stone as the “Bi-N-Tic” filter. Ken Stone kindly gave permission to use his...

“Don't get me wrong, he's a nice guy, I like him just fine But he's a mouth breather” -Jesus Lizard  MOUTH is a 2-channel true stereo fixed resonance/bandpass filter/vowel filter and/or anti-wah module. It uses a unique CV circuit using...

A Feedback centered Dual Reverb. DISTORTED LIGHT is a dual, stereo resonator and reverb using 2 BTDR reverb bricks. It’s a huge mess of feedback honestly. In the heart of the modules is a “resonator” where the two bricks influence each...

A Dual VCO utility powerhouse capable of being an LFO, Waveshaper, Ring Mod, Feedback loop, and more. This module came out of a personal need to combine punishing noise modules but making it being able to both track 1v per octave as well as do more...

GBU-12 is a three channel 8hp chaotic CV generator in Eurorack format. It has two CV outputs (X and Y) per channel as well as a gate out (it fires a gate whenever output X is higher in voltage than output Y) as well as a CV input. Each channel is...

Beneath the Bush of Ghosts is a 26hp Quad Lo-fi sampler based on the ISD1820 IC chip which is an old answering machine chip. This module is inspired by several other projects based on the ISD1820 chip. Each of the four channels are identical to each...

From Clacktronics: Start your modular synth journey with this easy-to-follow and inspiring book. Inside a beautiful handmade binder, you’ll find all the information and PCBs you need to construct your own mini Eurorack system. Ideal for beginners,...

Assembled Arp Odyssey FS - signed by Herbie Hancock! Generously donated by Korg, USA. All proceeds go to the Alan R. Pearman Foundation.   Become a part of the legacy with the ARP ODYSSEY FS Kit (assembled!). In 2015, ARP’s history was thrust...