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A-RYTH-MATIK

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6CH Eurorack trigger sequencer and euclidean Rhythm Generator with SSD1306 0.96 OLED

A-RYTH-MATIK is custom firmware for the Modulove A-RYTH-MATIK, by @modulove. Open source under MIT, latest release v1.0.2 (May 2026), 47 stars on GitHub.

forModulove A-RYTH-MATIK·by@modulove

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ARYTHMATIK_Euclid.nano.hex· 81 KB· +27 files

MIT· modulove/A-RYTH-MATIK·modulove.io/arythmatik/·downloads come from the creator’s GitHub releases

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A-RYTH-MATIK

6CH Eurorack trigger sequencer and euclidean Rhythm Generator with SSD1306 0.96 OLED

This is our take on a PCB version of the HAGIWO 6 Channel OLED sequencer.

MODULOVE 6CH Eurorack trigger sequencer

The module is an Arduino-based 6CH Eurorack trigger sequencer and euclidean Rhythm Generator with SSD1306 0.96 OLED. Input and configuration of the parameters has changed with this firmware to be more performative and less 'clicky'.

It can be clocked via input and offers an additional reset input.

  • "Manual mode" with control over parameter: Hits, Offset, Limit, Mute
  • "Random mode" where each channel changes randomly over time and sticks to entered value

Easy to modify / reprogramm it easily with the Arduino IDE.

HAGIWO 6CH Eurorack trigger sequencer

It offers six outputs plus additional status LEDs per channel

  • 3U 6HP size
  • Panel Design by bkrsmdesign
  • Rotary Encoder for Parameter Selection
  • CLK in: Clock IN
  • RESET in: Reset IN
  • OUTPUT Voltage 5V
  • Skiff friendly
  • 50 mA draw

Changes we made to the original design

  • All presoldered SMD Kits
  • Inputs / Outputs protected by protection circuit
  • Additional RESET input
  • Status LEDs per output
  • Clock Status LED

Currently there are a few ideas floating around for further expanding / alternating the FW. Subscribe for updates and pitch your ideas!

DIY Info / Links:

Building the Module is simple and suited for beginners. All Kits come with SMD parts already soldered.

A-RYTH-MATIK iBOM.

Assembly Instructions (Quickstart) is here: A-RYTH-MATIK QuickStart.

Buildvideo

To update / load the firmware on to your Arduino Nano or LGT8F328P you can just use the A-RYTH-MATIK Firmware uploader in Chrome Browser here:.

Modulargrid: A-RYTH-MATIK on modulargrid.net.

More Info:

Thanks for all the inspiration and work they have done go out especially to HAGIWO, Testbild-Synth Github, mzuelch Github and all other people envolved in this corner!

I sell on Tindie