[Martin] sent in a great guide to a simple Arduino based theremin. It’s a very small build – just a single common IC and some passive components – and easy enough to build in an afternoon. The ...

The traditional theremin is more or less an audio oscillator with two metal rods. Using proximity sensing, one rod controls the pitch of the oscillator and the other controls the volume. [Teodor ...

Think "theramin" and what comes to mind? The Doctor Who music? Or the original Star Trek theme? Or perhaps even Good Vibrations by the Beach Boys? Well, actually none of them uses a theremin, contrary ...