Open source electronic musical instruments designed in London.
DIY Eurorack Module

Supply: 40mA
Size: 12 HP
Depth: 25mm

Modular Grid
License: CC-BY-SA
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Full kits from Thonk

5 things to know about the Voltages Expander

  1. This is an eight stage random looping sequencer with illuminated faders, controlled by the main Turing Machine. Unusually, any number of stages can be active at once, creating unpredictable results.
  2. It has two outputs, one normal – with a scale control that works in the same was as the similar control on the main module – and one inverted. The inverted output has a ‘shift’ control which raises (offsets) the voltage by up to 9 volts. This means you can drive positive-only modules (i.e. quantizers) with the inverted output.
  3. In some ways, this module has been replaced by the smaller Volts expander, but some people still enjoy it. Here's a great video of the module in action:
  4. This module is compatible with all versions of the Turing Machine. With the older Mki Turing Machine the Backpack module is also required.
  5. Voltages is a very straightforward through-hole DIY build, that would be a good first DIY project. If you get stuck, the Voltages Github Issue List or the main Turing Machine issue list are probably the best places to start, although very few people have ever had difficulty with this module.