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Semi-random micromodule CV source with blinky LEDs for the AE Modular format

Have you ever felt the need to add some stroboscopic goodness to your synth patches? The LED CHAOS is sure to zap your sounds into another dimension. Using the sheer chaos from these flickering railguns, you can plug its wild lasers into your CV chain. Use them as a semi-random CV source to wobble your cut-off or fiddle your pitches, but don’t blame us when you get zapped to the future by this little guy!

In short:

  • Chaotic CV source in micromodule format
  • Three LEDs deliver chaotic CV’s, two slow, one fast
  • Patch the LEDs to shape the CV
  • Find a sweet spot with the ‘morph’ potentiometer
  • Output is a mix of the three LEDs.
  • You can also patch the LEDs anywhere for varying weird results

How to use LED CHAOS

There is only one way to influence the chaos that is caused by the automatic flickering of the LEDs, and that is by connecting more or less LEDs. There are three separate LEDs, each with their own chaotic CV flavor. You can connect any of the three LEDs to the circuit, by connecting any of the three left patch points to any of the three right patch points. You can connect just one of them, two or three, to alter the chaotic behaviour. The ‘timing’ of when you make the connection, will also have an effect on the chaotic pattern, so it will be different each time.

The knob is a ‘morph’ knob, some kind of combined attenuation and boost knob. You will find that it is useful to ‘fine tune’ the output CV level. You can go well into ‘clipping’ territory, where the chaotic CV will just slam the power lines and switch hard between 0 and 5V. But you can also attenuate it with the same knob to get a more smooth variance depending on the LED colors.

If you feel funky, you can experiment with connecting the LEDs from left to right through a DC capable mixer, DC capable VCA, SWITCHMATRIX,... The results will vary wildly, from very funky stuff, to barely working stuff. It depends as well on how much current the modules in between can deliver to the LEDs. As the name already implies: it is CHAOS! You can experiment as much as you like, you cannot break anything. Some things will just yield more interesting results than others.

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BF-22 LED CHAOS: CV source for AE Modular

Sold by BF Synths

$58.02

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Stock available: 10

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BF Synths

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Gent, Belgium
4 orders since Apr 29, 2026
BF Synths is founded on the philosophy to support local businesses, with Belgium and France as home bases. What we can do ourselves, we do ourselves. What can be done locally, we do locally. For example, the PCBs are manufactured in Germany, the assembly and front plates are homemade by M4vrick in France.
The initial spark for BF Synths arose when local creator M4vrick sent a message to analog experimenter Keurslager Kurt. Kurt had shared his DIY oscillator on the AE Modular forum, but did not have the technical chops or resources to create a full-fledged, compact module from it. The collaboration resulted in the widely enjoyed 555 Oscillator, and the idea for a wider range of modules was born.
On this page you can also find the DIY Kits from Keurslager Kurt.