I built a LED cube using RGB LED panels controlled by a Raspberry Pi 4B.

I built my own Eurorack case with a kit from Ginkosynthese and a Konstant Lab power supply.

I designed a custom PCB that add a four channels DAC to the EuroPi.

I modified my TC Ditto X2 looper pedal to accept remote footswitches.

A calculator application to convert from CV voltages to MIDI notes and vice versa.

A table and conversion application for obtaining MIDI numbers, CV voltages, frequency, and period for musical notes.

An application for converting between time, frequency, beats, and musical time divisions, and vice versa.

How to install Debian 12 Bookworm in Raspberry Pi Zero 2 W headless

How to configure CLion for remote development with a Raspberry Pi4.

Driving HUB75 RGB Panels with Raspberry Pi 5

How to find a Raspberry Pi in your local network.

Notes about MicroPython

Using the new Pi Pico 2 in the EuroPi

How to compile your own micropython firmware for the Raspberry Pi Pico.

How to compile from sources and add Python 3.11 to Raspberry Pi OS 32 Lite.

Raspberry Pi notes

How to configure, with the command line, the WiFi network connections on a Raspberry Pi 4B.

How to install shady in Raspberry Pi 4B without a display (headless). This is for a 32bits OS.

How to use shady with ledcat on a Raspberry Pi 4B and display animations on a RGB panel.

How to use python with sudo.

How to reset the macOS MIDI configuration.

Common usage for MIDI CC numbers.

The MIDI DIN connector and electrical specfications.

MIDI note numbers and Middle C definition.

Notes about MPE: MIDI Polyphonic Expression

MIDI Pitch Bend

MIDI Specifications and high-level message format.

Tools to help you debug MIDI issues.

An attempt to document the MIDI TRS mess.

Check if your browser supports WebMIDI.

What is the influence of AC coupling on the sound?

Simulation and analysis of the effect of AC-coupling on a square-wave

Notes about audio levels. What are dBV, dBv, dBu, dBm, ...?

Voltage levels used in Eurorack.

Resources to better use the Expert Sleepers CVM-8 module

Resources to better use the Expert Sleepers FH-2 module

How to connect the Expert Sleepers FH-2 with the FHX-8CV, CVM-8 and TMB extensions.

A custom version of the Configuration Tool for the Expert Sleepers FH-2.

Details of my custom calibration procedure for the EuroPi

Miscellaneous tips and notes about EuroPi

Notes about the Happy Nerding FX Aid eurorack module.

Notes about the Korg SQ-1 MIDI and CV sequencer

LFOs modulated by LFOs, with the Xaoc Batumi eurorack module.

Max output level for some modules

Notes about the import of modules in MicroPython

Notes about the Rossum Mob Of Emus eurorack module.

Have a look at my current modular synthesizer setup.

Using the NDLR to control CV, gates and triggers on the FH-2.

Description of some useful basic patches for the 2600 synthesizer.

NDLR sequencing 4ms SWN and Sputnik VWG

How I moved the power supply in my Rackbrute 6U

Effect of a simple RC high-pass filter on a squarewave

Effect of a simple RC low-pass filter on a squarewave

Notes about the Endorphin.es Two of Cups samples player eurorack module.

Notes about the Sputnik Modular Variable Waveform Generator eurorack module.

Math formulas for the sine, square, triangle and sawtooth waveforms.

How to open multiple instances of KiCad under macOS.

What are the power flags in KiCad?

RGB LED Panels resources

Description of my current guitar pedalboard, featuring a large signal switcher at its core and extensive MIDI control.

My first "big" pedalboard, that served me well for almost 10 years.

When I connect my tuner in my pedalboard, I get high-level harmonics every 2kHz.

An editor for the Expert Sleepers Disting Mk4 eurorack module. Full control of the module from your browser. Save, recall & share presets. Nothing to install.

A dynamic cheat sheet for the Expert Sleepers FH-2 + LaunchPad integration.

An editor for the Meris Enzo. Full control of the pedal from your browser. Save, recall & share presets. Nothing to install.

An editor for the Meris Mercury 7. Full control of the pedal from your browser. Save, recall & share presets. Nothing to install.

An editor for the Meris Ottobit Jr.. Full control of the pedal from your browser. Save, recall & share presets. Nothing to install.

An editor for the Meris Polymoon. Full control of the pedal from your browser. Save, recall & share presets. Nothing to install.

An editor for the Nektar Pacer. Full control of the device from your browser. Save, recall & share presets. Nothing to install.

An editor for the Novation Bass-Station 2. Full control of the synth from your browser. Save, recall & share presets. Nothing to install.

Monitor MIDI messages in real-time.

Simple WebMIDI LFOs.

MIDI Polyphonic Expression monitor.

Simulate a MIDI Polyphonic Expression controller.

Shows how Web-MIDI events and messages are generated by the Web-MIDI W3C API.

Test sending and receiving messages with Web MIDI.

Check if your browser supports WebMIDI.

Display animated pattern on the LinnStrument grid.

An application to learn the chord shapes on a grid-layout controller (LinnStrument, Push, Launchpad, Deluge, ...).

Browse and view the details of the MicroFreak presets. This is not an editor.

Configure your Disaster Area Designs DMC.micro PRO from your browser.

Configure your Disaster Area Designs DMC.micro PRO from your browser.

Flexible and customizable ADSR envelope for your web application.

Flexible and customizable circular knob for your web application.

Flexible and customizable slider for your web application.