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Passive OR – 2HP

24 July 2025Passive OREurorack, Utilitydavid


The passive OR module is the perfect tool to merge gates and triggers from multiple sources (e.g., sequencers, LFOs, clocks, dividers, or other modules) to create complex rhythmic patterns.

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Pot&Jack Chicklet

24 June 2025Stripboards & ProtoboardsDIY, Wiringdavid
9 mm potentiometer
16 mm potentiometer
3.5 mm Cliff jack socket

The Pot&Jack Chicklet is a versatile and compact PCB, designed to simplify the wiring of Cliff-style jack sockets and potentiometers (9 mm or 16 mm) in front-panel applications. It converts PCB-mounted components into through-hole connections, making them easier to integrate into point-to-point or hand-wired circuits.
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Eurorack Power Bus – 14 – Plug&Play (SMD)

20 June 2025Eurorack Power Bus - 14david

Eurorack Power Bus 14 - SMD
The Eurorack Power Bus – 14 is available in pre-assembled SMD version.

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DM77 – V1.0 SMD

18 March 2025DM77david


The DM77 is a Eurorack-compatible drum synthesizer inspired by the classic Coron DS8, featuring improved characteristics.

Continue reading DM77 – V1.0 SMD →

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MIDI 1-to-8

4 February 2025MIDI 1-to-8Eurorack, MIDI, Splitterdavid


MIDI 1-to-8 is a MIDI/TRS 1 input to 8 outputs splitter for Eurorack.
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Moog-type High-pass Ladder VCF – V1.0

15 November 2024Moog Hi-pass Ladder FilterEurorack, VCFdavid


This is a Moog-inspired Voltage Controlled High-Pass Ladder Filter clone, based on the High Pass Filter by EFM (Electronics For Music).

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3U 84HP Eurorack Skiff Cases

8 November 2024Eurorack CasesCase, Eurorackdavid

Red and Black versions of the 3U 84HP Eurorack Case

I designed a new Eurorack case!
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Passive Multiple – 2HP

29 October 2024Passive MultipleEurorack, Multipledavid

Passive multiple 2HP
Passive Multiples are among the simplest and most essential modules you can find in a modular synth. You really need plenty of them!
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DM77 – V1.0b

27 September 2024DM77DM77, Drum, Eurorack, Updatedavid


The DM77 is a Drum Synthesizer, inspired by the Coron DS8, with improved characteristics.

Continue reading DM77 – V1.0b →

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Tuner 1.0

20 April 2024TunerArduino, Eurorack, Tuner, Utilitydavid


Your Eurorack tuner utility.

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  • Electronic projects
    • Drums
      • 606BD
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      • DM66
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      • DS8
    • Eurorack Cases
    • Eurorack Power Buses
      • Compact Eurorack Power Bus
      • Eurorack Power Bus – 14
      • Eurorack Power Bus – 18
      • Eurorack Power Bus – 26
      • Eurorack Power Bus – 28
    • Filters
      • Moog Hi-pass Ladder Filter
      • MS-20 VCF Filter
    • MFOS
      • MFOS 10 Step Sequencer
      • MFOS Sound Lab Mini-Synth
      • MFOS Weird Sound Generator
      • Octave Switcher
    • MIDI
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    • Power Supplies
      • Eurorack SMPS
      • Mini Dual Power Supply
    • Simple Modules
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      • Simple VCA
      • Simple VCO
    • Stripboards & Protoboards
      • Eurorack Stripboard
    • Utility Modules
      • 3to1 Precision Adder
      • Attenuator – Inverter
      • Divider
      • Mixer – 3 Mono Inputs
      • Mixer – 4 Mono Inputs
      • Passive Multiple
      • Passive OR
      • Tuner
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Recent Posts

  • Passive OR – 2HP
  • Pot&Jack Chicklet
  • Eurorack Power Bus – 14 – Plug&Play (SMD)
  • DM77 – V1.0 SMD
  • MIDI 1-to-8

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