Available as an assembled Module and as a DIY project.
This Module is discontinued.
Dual AD/ASR Envelope Generator
10hp, 26mm Deep
Inputs: 2x Gate/Trigger Input
Outputs: 2x Envelope Out
Controls: 2x Attack Time, 2x Release Time, 2x Sustain On/Off Switch, 2x Output Level
Simple envelope generator, sustain switch turns gate input into a trigger. Each output has an Attenuverter and a bi-color LED indicator for positive/negative output level. Gate input 2 is normalled to gate input 1.
https://www.groundgrowncircuits.com/
https://github.com/GroundGrown