Arduino-Theremin A simple, minimalistic Arduino-based piano-theremin. Demo Video: http://vimeo.com/user7569576/arduino-theremin Needs a SRF05 sensor with Echo connected to digital pin 2 and Trigger/Init connected to pin 3. Author: Michele Spagnuolo <michele [|at|] spagnuolo.me> Based on http://luckylarry.co.uk/arduino-projects/arduino-basic-theremin-meets-processing/