UMK4x4 - 4-16 in/out and 3-15 IN/3OUT USB MIDI interface for STM32F103 series board
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Updated
Mar 28, 2026 - C
UMK4x4 - 4-16 in/out and 3-15 IN/3OUT USB MIDI interface for STM32F103 series board
Custom firmware for the Zoom MS-50G, MS-60B and MS-70CDR: full MIDI control and clock sync.
Sync your animations with MIDI clock or Ableton link (with different creative tools).
An overlay to show BPM of one or multiple live sources. Can send bpm as midi clock.
Standalone ESP32-S3 box bridging Pioneer Pro DJ Link and MIDI clock in both directions: follow whichever deck holds tempo master, or claim the role yourself so the CDJs sync to your drum machine. USB MIDI host jack + 5-pin DIN out, no laptop in the signal chain.
A device that takes MIDI clock in and outputs 1v pulses at PPQN intervals compatible with a range of devices including Korg volcas and Teenage Engineering pocket operators.
RTAL MiniAmused – mono/duophonic ESP32-S3 virtual-analog synthesizer with three oscillators, 4-pole ladder filter, touchscreen UI, DIN/USB MIDI, SD presets, stereo delay, Markov arpeggiator and sequencer.
Alternative midi interface for Ableton Push 2 on Linux
ESPidi — ESP32-C3 MIDI processor (arpeggiator, sequencer, song mode, MIDI clock): ESPidi_2 firmware with fixes, steady MIDI clock and an automated hardware test rig
Hardware MIDI Companion for Android and Windows
Headless Raspberry Pi adapter: feed any audio source into Ableton Live 12.4+ via Ableton Link Audio, with optional Link->MIDI clock.
High-quality ESP32-S3 stereo flanger & chorus with BBD-inspired DSP, MIDI control, 128 presets, preset morphing and a graphical Windows editor with Visual DSP.
macOS menu bar app that forwards Ableton Link tempo to a MIDI clock output. Sync hardware sequencers (Novation Circuit Tracks, drum machines, etc.) to djay Pro, Mixxx, Live, Logic, or Rekordbox in real time. Pure Python, packaged as .dmg.
Browser-based generative MIDI tool for jamming over a modular synth. Derives four evolving monophonic parts — pad, bass, arp, melody — from real song-structure blueprints and melodic motifs, streams them over Web MIDI on channels 1–4, and acts as master MIDI clock. No install, no build step.
Connects to Ableton link and send out a midi clock signal
clone of othmar52/blazing-baton for DEMO
Realtime infoscreen for jam sessions with MIDI equipment
Project Phoenix is a 12-voice ESP32-S3 hardware sampler with multisampling, keyzones, filters, vintage sample processing, echo, MIDI, a real-time 4-track step sequencer and the Phoenix Librarian desktop editor.
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