Touch-capacitive polyphonic synthesizer powered by ESP32-S3
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Updated
Oct 19, 2026 - C++
Touch-capacitive polyphonic synthesizer powered by ESP32-S3
Synth module schematics and code
Modified version of the KOCMOC SVF filter.
Eurorack expression pedal to CV utility, 2HP Intellijel 1U format
Alternative firmware for Qu-Bit Tri-ger
Roland D-110 custom samples mod: swap the PCM mask ROMs for flash and load your own sounds. Record on your PC, burn, play. Works on hardware. Pairs with D-110 Rosetta OS.
Free Windows app to build custom PCM sample cards for the Roland U-110 (SN-U110 format) from WAV files. Burn-ready .bin, loop editor, U-110-accurate preview.
Roland D-110 mod: custom OS with arp, step sequencer, MIDI out, MIDI CC knobs, wave sequencing, mod matrix, unison, glide, chords. Bake it into your own ROM dumps. No Roland code included.
Yamaha PSS-270 mod: an Arduino Mega + ESP8266 takes over the YM2413 FM chip and the keys. MIDI in/out, arpeggiator, key menu, live FM tone editor with draggable envelopes, WiFi updates.
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