Olivia Artz Modular - Uncertainty

Olivia Artz Modular - Uncertainty

  • $180.00



Uncertainty from Olivia Artz Modular is a 2hp coin toss module; it is open source, with new, user-swappable firmware being developed. So, it will continue to grow and offer new functionality!

In the standard firmware, the top input accepts gates, triggers, or any signal between -5V and +5V. Based on whether the input is positive or negative, it uses two different types of logic to produce gates at the corresponding eight outputs. If the input is above +1V, then the module does eight differently-weighted "coin tosses"—one for each output. If the outcome of the toss is "heads," a +5V signal is output for as long as the input stays above 1V. If the input signal is -1V or lower, a slightly different coin toss algorithm is used, where the outputs are paired—if the result of the toss is "heads," the upper output of the pair in question sends out a signal, and if it's "tails," the lower outputs sends out a signal.

Alternate firmwares are available for free, and loading them is as easy as plugging in your module via the rear PCB USB connection, dragging on a file, and you're done. The first new official firmware is a VU meter—with the panel LEDs displaying the current voltage level, and each LED getting a dedicated gate output—somewhat like a multi-window comparator! Olivia Artz's Uncertainty module is a great way to add chance operations to your rack without sacrificing space.


  • 2HP chance module with alternate firmwares available
  • Default firmware uses two distinct coin toss algorithms to convert incoming bipolar signals into eight streams of outgoing gates
  • Open source
  • One CV input with 10-bit resolution
  • Eight gate outputs