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OR Switch

  • OR Switch Eurorack Module
  • OR Switch Eurorack Module
  • AFRORACK Founder Aaron Guice

About This Module

Switch between two banks of three combinations of trigger/gate signals. Designed and perfected for blending and combining percussion patterns, this module allows for creative and performative expression of rhythmic sequences.

This module is a collaboration between North Coast Modular Collective, AFRORACK, and Ali The Architect.

Where To Buy

You can purchase this module via our Etsy shop.

Buying a product helps support the non-profit goals of the collective. Funds from the limited edition AFRORACK and Ali Modular branded modules go toward supporting AFRORACK’s mission of providing children and young adults of color access to modular synthesizers and sound design tools.

Suggested Uses


  • Two banks of three inputs with reverse flow protection
  • High quality switch for maximum playability
  • Passive, so you can save a socket on your power bus
  • Slim, but ergonomic design
OR Switch Functional Walkthrough Video by Joe Bauer
OR Switch Full Demonstration Video by Bill Van Loo

Open Source Hardware

OR Switch is designed to be a perfect second DIY project. The module is entirely through-hole soldering. It is entirely passive, which means no concerns about connecting the module to power.

This module is rated as an beginner build.

See the full build guide, including parts recommendations, at: OR Switch Build Guide on Github



  • Width: 3hp
  • Depth: 22mm (beneath panel)
  • Power: None (Passive)
    • +12v Current Draw: 4mA
    • -12v Current Draw: 0mA
    • +5v Current Draw: 0mA

North Coast Modular Collective OR Switch on Modular Grid


AFRORACK is an audio arts organization in Chicago with a goal of helping the community develop and thrive through technology resources. They are focused on diverse community access via a collection of workshops, seminars, and ambitious programming centered around STEM (science, technology, engineering, and mathematics) education.

Ali The Architect is a Modbap pioneer, fusing MPC sampling with modular synthesis. You can find him serving up knowledge and beats on YouTube and Instagram.

copyright © 2017-2023 North Coast Modular Collective