ADSR envelope generator – Schmitzbits build
So I built two very similar 555 ADSR and this one worked out of the box. It is suuper simple and I can recommend it. Original project page: Here
Tag: Envelope
Dual simple AD/AR Envelope – LMNC Design
The layout I use is based on LMNCs design, but I found that he put up some extended designs on his page: Here Info: Sadly I don’t have a schematic for this build. If I get around I’ll try to draw one.
A/D Envelope – Thomas Henry design layout by Eddy Bergman
This neat design works with a NE555 as well as with a 7555 IC – tested by me. Link to the great documentation of Eddy Bergman: Here! How to make it better? Maybe add a looping stage with another opamp? Maybe an inverter circuit?
knopsl modular 