Quango

Maker	Mountjoy Modular
Type	Polyphonic MIDI interface with eight envelopes and quad VCAs on two channels
Mounting	SMD
Width	16 HP
License	Proprietary (No hardware licence published)
Difficulty	🌋 Fine-pitch SMD

Drives two four voice VCOs over RJ-45, sends pitch from an AD5676 16 bit DAC and shapes the returned audio with AS3364 VCAs. Includes a pitch detection loop for auto calibrating each voice.

Documentation

• Schematic
• Fabrication files (PCBA-ready)

Links

• Source / files on GitHub
• Maker page

More from Mountjoy Modular

Addatone Two channel additive oscillator on a Lattice FPGA with an STM32 front end Ampelope Four channel envelope generator and quad VCA with a clockable tremolo Ball Bluetooth LE gyroscope remote with a Eurorack base module that outputs three CVs Comb Comb filter oscillator built on an STM32H723 DisPhaze Two channel phase distortion oscillator modelled on the Casio CZ synths Hypersoniq Four voice polyphonic high pass filter Kishoof Dual channel wavetable oscillator with 64MB USB accessible storage and a round LCD MidiMonger USB and serial MIDI interface with 8 gate and 4 CV outputs

More midi modules

Yarns Mutable Instruments Synapse Mental Noise MIDI Thing V2 Befaco Sol Winterbloom DIY MIDI-CV Erica Synths Midi-to-Gate (BMC024) Barton Musical Circuits DrumFiend Divergent Waves Betweener Voidpulse

This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

← Back to all builds Resources Suggest a correction or a missing module