Brain Firmwares

Last update: Mar 28 2026

How to install Brain Firmwares

  1. Turn off the Moduleur
  2. Download and unzip the firmware
  3. Push the button on the side of the Moduleur
  4. Connect your Moduleur to your computer. A new drive should appear called RP2040 or RP2350
  5. Drag and drop the UF2 file on the drive ending with:
  • pico.uf2 for RP2040 core
  • pico-2.uf2 for RP2350 core (Moduleur 1/1 series come with RP2350 core)

Le Controlleur

A dual-mode performance firmware for the Shmøergh Moduleur Brain module. It combines a clockable probabilistic Sequencer and a hands-on MIDI ot CV interface for keyboard/controller-driven patches.

User Guide
Developer: Shmøergh

Download

Lo-Fi Delay

A simple digital mono delay with the charm of 8ish bit input and 12 bit output resolution. For Brain modules with Pico 2 only.

User Guide
Developer: Shmøergh

Download

CV Utilities

Six control voltage utilities packed in a single firmware: attenuverter, precision adder, slew limiter, dual AD envelope, CV mixer and clocked random CV generator with optional quantization.

User Guide
Developer: Shmøergh

Download

Maintenance & dev tools

CV Tuner

Calibrate the Brain CV outputs with a tuner-guided workflow for precise 1V/oct tracking.

User Guide
Developer: Shmøergh

Download

Brain Diagnostics

If you've just soldered together a Brain board and want to make sure every input, output, pot, button, and LED actually works before you move on to flashing your real firmware, this is the tool for that.

User Guide
Developer: Shmøergh

Download