Difference between revisions of "ER-ADSR-555-01"

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* Drive with [https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-sequencer/ Erica Synths EDU Sequencer]  
 
* Drive with [https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-sequencer/ Erica Synths EDU Sequencer]  
 
** GATE Out output
 
** GATE Out output
 +
* Using 1 M linear pots instead of 2.2M log pots
 +
** A, D, r pots should have been log pots
 +
** Controls are are "touchey"
 +
** Sustain pot is linear as it should be and "works" but is backwards
 +
* C3 is 4.7 uF
 +
* ADSR controls
 +
** A pot
 +
** D pot
 +
** S Pot
 +
** R pot
  
 
== Benjie Jiao - DIY Modular Video ==
 
== Benjie Jiao - DIY Modular Video ==

Revision as of 10:44, 5 November 2022

Eurorack ADSR Module

ER-ADSR-555-01 Set.png

Features

  • Attack-DeCay-Sustain-Release Eurorack ADSR Module
  • Takes in Gate signal, generates CV to VCA
  • Attack, decay, and release pots control speed
    • Attack, decay, and release times can range from 200ms to 16s
  • Sustain pot sets the sustain voltage level
  • LED dims to level
  • 3U tall, 6 HP wide
  • 555 Based design
  • Benjie Jiao MiniADSR
    • Original was based on Barry Klein design
    • As built by schmitzbits design - "The Fastest Envelope in the West"
  • Benji's build has a three card stack-up and is 4 HP wide
  • This card is wider but uses 2 cards

Rev 1 Checkout

  • Drive with Erica Synths EDU Sequencer
    • GATE Out output
  • Using 1 M linear pots instead of 2.2M log pots
    • A, D, r pots should have been log pots
    • Controls are are "touchey"
    • Sustain pot is linear as it should be and "works" but is backwards
  • C3 is 4.7 uF
  • ADSR controls
    • A pot
    • D pot
    • S Pot
    • R pot

Benjie Jiao - DIY Modular Video

Issues

Rev 1 Issues

  • Silkscreen has "DELAY" should be "DECAY"

Assembly Sheet

ER-ADSR-555-01 Rev 1 Assembly Sheet