Available as an assembled Module and as a DIY project.
This Module is currently available.
Optical CV/Gate Generator
The EyeBall is a unique input device that is reminiscent of a Theremin, but is really so much more. It uses a photo transistor to sense varying light levels and convert them into analog and digital signals.
The Sputterizer is currently in Beta and now has several testers. Thanks to the many respondents!
Visit https://www.greenfacelabs.com/ for more info