
Piezo is a contact microphone preamplifier and CV generator with an integrated envelope follower, gate output, and user-controllable attack and delay parameters. Its front panel features a dedicated tactile zone designed to be scratched, struck, or pressed, making the module itself a playable instrument.
Category Archives: Utility Modules
AttenuVerter – Version 1.0
The AttenuVerter is a dual-channel CV processor. It can attenuate, invert, and offset two independent control voltages.

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Input – Instrument Pre-Amp

Input is a Eurorack module designed for pre‑amplifying audio signals from instruments such as guitars, microphones, and more.
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3 x Passive Attenuator

The 3 x Passive Attenuator is an older project that offers, as its name implies, three independent passive attenuators. This very simple module is extremely useful when you need to reduce the amplitude of a signal that would be too strong for another module, or when sending a Eurorack-level voltage to a more sensitive, non-Eurorack audio equipment.
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USB Power Output – 2HP

It’s a simple 2HP wide utility module with 4 USB A connectors. Perfect for powering a lamp, a small Keyboard (I use it for my Arturia Keystep) or anything else.
Passive OR – 2HP

The passive OR module is the perfect tool to merge gates and triggers from multiple sources (e.g., sequencers, LFOs, clocks, dividers, or other modules) to create complex rhythmic patterns.
Passive Multiple – 2HP

Passive Multiples are among the simplest and most essential modules you can find in a modular synth. You really need plenty of them!
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Tuner 1.0

Your Eurorack Chromatic Tuner utility.
Tuner 0.2
Tuner is a Eurorack and analog synth tuner utility.

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AttenuVerter – Version 0.2
The AttenuVerter is a dual-channel CV processor. It can attenuate, invert, and offset two independent control voltages.

Continue reading AttenuVerter – Version 0.2