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Developing the Super Sixteen Step Sequencer (eurorack)
MUFF WIGGLER Forum Index -> Music Tech DIY  
Author Developing the Super Sixteen Step Sequencer (eurorack)
Hello wigglers!
I've been developing a new sequencer module for eurorack I call the Super Sixteen, and have recently completed the first engineering prototype. There's still lots to change and fix before it's ready for primetime, but I thought you DIYers would be interested in the design/dev process, which I've been documenting in a series on Youtube.

It's designed primarily as a monophonic bassline and melody sequencer with pitch, gate and CV out. I plan to add patch memory and will include scale selection, motion recording, and portamento.

The sequencer is open-hardware, built on the Atmega328p microcontroller, and was prototyped with Arduino Uno. If you're interested in developing a CV module with Arduino, the information in the first few videos will be helpful in getting started. I'll try and update this post with progress as it gets developed, but here are the videos I've made so far. Enjoy, and let me know if I can clarify anything or if you have any suggestions on the design so far!

Read the code and get the KiCad files on Github:

Super Sixteen Youtube Series:

  1. Designing a Eurorack Sequencer - Pt. 1: Digital to Analog Converter and Amplifier
  2. Designing a Eurorack Sequencer - Pt. 2: Seven Segment Displays
  3. Designing a Eurorack Sequencer - Pt. 3: LED/Button Matrix
  4. Designing a Eurorack Sequencer - Pt. 4: PCB Prototyping
  5. Designing a Eurorack Sequencer - Pt. 5: Assembly and Testing

First video in the series:

The front panel layout of the sequencer (concept art):

Wow. Good work
Looks cool. I look forward to watching your progress.
Great stuff, I hope you will keep going with it!
Looking good! Following your progress Guinness ftw!

Edited: that upverter app looks ace
we're not worthy applause thumbs up thumbs up thumbs up
Looks good!!! I'm interested smile
My sketchy handmade prototype board gets a sketchy handmade faceplate! Abe from AI Synthesis pointed me in the right direction for getting proper panels made so I'm learning how to design and spec those now. The next version will be prettier, but I'm quite fond of the crusty synthpunk look for this one. Rawk!

The pots are way too close together, even more so with the knobs on. At least they look nice!

"Character" :-D

Knob spacing is a tough one to learn. I wouldn't say I have it down yet.

Good job, keep going!
Good work!

Trouble with knob spacing but 5 U is too big, 4U is the answer
i can't say i'm much of the sequencer type, however it's great to see someone else working on a project they think is worth making. i'm very touchy about control distances myself. i find that much of what's in euro-rack feels too squeezed together. so, this doesn't look TOO off of what most people consider to be appropriate. looks good so far!

my advice is to try to find a balance between comfortable space, and not being wasteful about space as well. it's just my analysis that euro-rack generally has an over-emphasis on bragging about smaller spaces. what matters more in the end is if it feels like the spacing is correct. maybe your module will end up being bigger than what you've got here. don't take anything i say as discouraging! i'm optimistic that you will find a way to bring it to fruition

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