Solar theremin is a light-sensitive controller that can be controlled with shade as a theremin. it has 3 x out with 0 to 6 volts and everything in between.

Talking Blind Panel in eurorack
Generates 3x 0.1Volts to 6.0 Volts and verything in between

Solar V3 Theremin Workshop Edition

https://www.errorinstruments.com/a-53414435/error-modular/solar-v3-theremin-diy-kit/

• Module is passive
• 10 mm Depth

Module is available as a DIY project only.

This Module is currently available.