UBZR1 Digital Interface

Chelys Lyra


The UBZR1 Digital Interface receives digital signals to set the digital analog converters and switch registers. These replace the mechanical potentiometers and mechanical switches in classical synthesizers

Functional Description

Performance Specs

Schematics as PDF or JPG



Provisional Human User Interface (HUI)

UBZR1's Digital Interface is controlled remotely by a human user interface (HUI). For the HUI, I had built a provisional solution to test UBZR1, specifically to:

I came up with the following:

While this Excel based solution was easy to build, it is not convenient to work with.

Last change: 2021-05-27
© 2002-2023 Dr. Thomas Redelberger

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