Serendipity Synths

Email me at with any questions, or to purchase any of the devices shown below.

Jan 22, 2026: A big thank you to Sam at Noisegate for this detailed review.

May 14, 2026: The production version of Cherchez la FM, a 16 algorithm, knob-per-function, polyphonic stereo FM module is in final testing! Stay tuned…

Jun 4, 2026: Both the standalone and the Eurorack versions of the L-Thing have been updated to version 2.

Oct 7, 2026: You can now test out the L-Thing’s algorithms using this web version. You will need to use Chrome or another browser that supports webMIDI.

Oct 10, 2026: Release the full power of your Roland JD-Xi with the brand new JD-Xtra and JD-Xtra MINI.

D-Thing
D-Thing
Enhanced DFAM Connectivity and Sequencing
With the D-Thing, you can add reset, sequence pattern variations and length control, MIDI, microtiming and more to the DFAM sequencer.
  • Reset manually, via MIDI or CV
  • Set sequence length from 1 to 8 steps
  • Standard and custom patterns
  • Microtiming, swing and multi-stepping
US$175
D-Thing+ Euro
D-Thing+ Euro
Enhanced DFAM Connectivity and Sequencing in Eurorack
A 12HP Eurorack module for adding reset, sequence variations and length control, MIDI, microtiming and more to the DFAM sequencer.
  • Reset manually, via MIDI or CV
  • Set sequence length from 1 to 8 steps
  • Standard and custom patterns
  • Microtiming, swing and multi-stepping
US$225
L-Thing
L-Thing
Polyrhythmic/polymetric Euclidean Clocks, Modulation and Sequencing
Dual rhythmic clocks, synced modulation and generative melodies. Ideal for enhanced rhythms on the Labyrinth, and rhythmic and melodic interaction on dual oscillator synths.
  • Standalone in aluminium case, or 12HP Eurorack module
  • Euclidean and non-Euclidean rhythms
  • Sync with MIDI or external pulse
  • Explore melodies with random corruption
US$200 (both models)
JD-Xtra
JD-Xtra
Take control of the Roland JD-Xi
Release the full power of your JD-Xi from behind its horribly limited interface!
  • Select a Part and a Partial, and edit parameters directly
  • Layer or split any 2 parts when using the built-in keyboard
  • Select any beat as the final beat for the sequencer
  • Available in a MINI version that lacks parameter editing
US$250 (Full), US $120 (Mini)
M-Thing
M-Thing
Modulation, mixing and more!
Add a unipolar/bipolar LFO, Sample and Hold, coloured noise, sub-oscillator and a 3-way mixing attenuverter to a semi-modular synth.
  • 16 waveform Electric Druid LFO
  • 1 or 2 octave down Sub-oscillator
  • Standalone or Eurorack
  • Crossfader
US$200 (both models)
Gatecrasher
Gatecrasher
Polyrhythmic or polymetric combinations of independent gate sequencers
Combine gate sequencers in various ways, synchronised by beat or by cycle. Generate rhythms, CV-modulation and melody, all visualised with a colourful circular display.
  • Up to 5 simultaneous gate sequencers
  • Arbitrarily assign across 3 outputs
  • Modulation, accents and melodies
  • Save and recall settings
US$320
Patchwork
Patchwork
Polyphonic MIDI step sequencer and arpeggiator
A combined polyphonic MIDI step sequencer and arpeggiator with some unique features. Hands on control of up to 5 voices across 2 MIDI channels at one time.
  • Record new sequence while previous plays
  • Step order and octave-based variations
  • Arpeggiator variations for any pattern
  • Dual arpeggiator mode
US$225