The Open Theremin is an open source hardware and software project, with the aim is of building a next-generation, DIY theremin. Two Open Theremin designs are available: The Open.Theremin.UNO is a full Arduino-based theremin that offers both audio and control voltage outputs. The Open.Theremin.RC is a more basic one-antenna (pitch) design. The project is documented under a creative… Read More Open Theremin Project An Open Source DIY Theremin