Open Theremin - Open Source Hardware Project 
To celebrate spring and the growing theremin community I made a Special Spring Edition of the newest Open.Theremin V3 with White and Gold PCB. Thank you to my good friend Walee for the nice idea. They look so great and I hope you like them too. Update: sold out for now.
The Open.Theremin V3 is now official certified open source hardware according to Open Source Hardware Association (OSHWA) standards. You find the certification logo on every Open.Theremin PCB together with the unique identifier number (CH000001) that links you back to the documentation. Thank you for supporting open source hardware.
I am really happy that the new version 3 started so well. Javier wrote: "I was really surprised with the Open Theremin as it felt like playing the much more expensive Moog.". And then I got in contact with Andrei Demidenko, a professional musician, sound engineer and film maker. He is co-authour of a new documentary on Lev Sergeevich Termen toghether with his close friend Sergei Zorin that we hopefully can soon see in English. He made a nice case for the new theremin in Italian red wood. Andreis father, Nikolai Demidenko, a professional pianist, made a design available for everyone to build. Thank you for all the great feedback.
I used the first days of the year 2017 to implement the control voltage output (CV) - an often requested feature. The Open.Theremin is a stand alone instrument that generates sounds in different waveforms when played. With the new software you can further expand the possibilities and use the theremin to control any sound synthesizer with an analogue control voltage input (CV). The instruction for CV is in the download section. The CV functionality will also be a topic at the Theremin Academy in Lausanne this February.
Biyi Amez successfully tested the new CV function.
The new Open.Theremin Version 3 is here. The redesign of the popular theremin has a great auto-tuning and a mute function. A kit with the fully tested theremin shield is now available in the small batch store. Just add an arduino and a pair of antennas to it and you have a fully playable theremin instrument. And see here for the amazing intro video that Coralie Ehinger made.
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