Polyphonic Envelope

Maker	EchelonForce
Type	Four channel polyphonic envelope generator using four AS3310s
Mounting	Mixed
Width	—
License	Proprietary (CC BY-NC-SA 4.0, noncommercial so not an open licence)
Difficulty	🌶️ Large through-hole

The only module in this account with fabrication output committed, a Seeed Fusion zip. The single channel envelope_generator_AS3310 module is derived from this design. Passives are 1206 SMD on hand solder pads with through hole DIP sockets for the ICs, and no gerbers are committed.

Documentation

• Assembly instructions
• Fabrication files (PCBA-ready)

Links

• Source / files on GitHub
• Maker page

More from EchelonForce

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More envelope modules

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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.

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