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Eurorack Envelope Generator ADSR DIY PCB


This module is part of my Eurorack series. It is an envelope generator based on the 7555 timer integrated circuit. An envelope generator creates a control voltage that is usually used to shape a sound over time, e.g. in a voltage-controlled amplifier or filter. It sounds more natural than just turning a note on and off.

Key features

* envelope generator
* controls for attack, decay, sustain and release
* trigger input
* CV output
* LED indicator
* easy to build, all through hole components
* 6HP

This offering only includes the PCBs and front panel without components!

See https://polykit.rocks/adsr for technical details and assembly.

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