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David Haillant's Electronic stuff

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Octave Switcher prototype

20 July 2019Octave SwitcherEurorack, MFOS, PCB, Prototype, SMDdavid

The SMT adaptation was a hobby project. The MFOS designs are the property of SynthCube.
If you want to buy PCB for the MFOS synths, please visit musicfromouterspace.com

The Octave Switcher is a modular adaptation of the circuit “Five Octave Switch and One Octave Adjust Pot” designed by Ray Wilson.


Continue reading Octave Switcher prototype →

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MFOS WSG Demo: Triplet of Ray Wilson’s weird noise generators

Jason built these three WSG:

Awesome!

29 June 2019MFOS Weird Sound GeneratorEurorack, MFOS, Videodavid Leave a comment

Simple LFO 1.3

16 June 2019Simple LFOEurorack, LFO, Panels, PCB, Simple Modules, Tindie, Updatedavid

I released a new update of the Simple LFO, now in version 1.3.
The update is mostly about how the LED blinks.


Continue reading Simple LFO 1.3 →

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DM77 progress – Interactive BOM, schematics and new Black Panel!

7 June 2019DM77BOM, DM77, Drum, DS8, Eurorack, Prototype, Schematic, Updatedavid

Things are going well with the DM77. A new revision of the PCB is on my desk, ready for some tests.
In the meantime, I’ve just received the new 10HP Front Panel. It’s cute in black!


Continue reading DM77 progress – Interactive BOM, schematics and new Black Panel! →

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DM77 progress – Now in 10HP!

15 May 2019DM77DM77, Drum, DS8, PCB, Prototypedavid


Reduced size for the latest DM77 proto version (0.4). Now only 10HP wide!


The next prototype revision should be final. The current one requires some small mods.

See more pictures in the Photo album.

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Superbooth 2019

6 May 2019NewsSLMS, Superboothdavid

Superbooth logo
I was at Superbooth 2019. I met Michele from Modular Audio Devices who had a table, showing his awesome modules.

MAD at Superbooth 19

Michele’s SLMS green front panel

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Moog-type High-pass Ladder VCF

6 May 2019Moog Hi-pass Ladder FilterEurorack, Filter, High pass, Moog, VCFdavid


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

Continue reading Moog-type High-pass Ladder VCF →

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SLMS demo by Modular Audio Devices

Two excellent demos by Michele from Modular Audio Devices

Link to the video

An other video

4 May 2019MFOS Sound Lab Mini-SynthDemo, Eurorack, MFOS, Sound, Videodavid Leave a comment

Eurorack Compact Power Bus – version 1.1b B(L)ACK in stock

27 April 2019Compact Eurorack Power BusEurorack, Power bus, Tindie, Updatedavid
The BLACK solder mask is awsome!

New revision for the Eurorack Compact Power Bus!

Continue reading Eurorack Compact Power Bus – version 1.1b B(L)ACK in stock →

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606BD – TR-606 Bass Drum clone

28 February 2019606BDBass Drum, Clone, Tindie, TR-606david


I made a simple clone of the Bass Drum section of the classic TR606 Drum Synth!
Continue reading 606BD – TR-606 Bass Drum clone →

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  • Electronic projects
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      • 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
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    • MFOS
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      • Octave Switcher
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    • Power Supplies
      • Eurorack SMPS
      • Mini Dual Power Supply
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    • Stripboards & Protoboards
      • Eurorack Stripboard
    • Utility Modules
      • 3to1 Precision Adder
      • Attenuator – Inverter
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      • Mixer – 4 Mono Inputs
      • Passive Multiple
      • Tuner
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Recent Posts

  • Pot&Jack Chicklet
  • Eurorack Power Bus – 14 – Plug&Play (SMD)
  • DM77 – V1.0 SMD
  • MIDI 1-to-8
  • Moog-type High-pass Ladder VCF – V1.0

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