Small Batch Store

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The newest Open.Theremin boards are produced in small batches and sold here. The series are produced in high quality in local manufacturing and all boards are 100% tested.


Open.Theremin V3 full kit

Open.Theremin V3 full kit

The kit provides you with the tested electronic circuit board for the theremin. The kit also includes some mechanical parts to set up the open.theremin.Add an Arduino.UNO and two antennas to it and you get a fully playable theremin. The pins, two LED lights, the potentiometer and a button need to be soldered on the board using a conventional soldering iron.


  • Open.Theremin V3 circuit board (shield)
  • 2x antenna plugs for board mounting
  • Acrylic pad to attach camera stand (1/8" UNC)
  • Screws, nuts and washers for mounting the antennas
  • 4 x potentiometers and 1 button
  • 2x 5 mm LED red and yellow
  • Pinheaders

Antennas are NOT included in the kit as they are to bulky to ship.
You can easily make them your self from any conductive tubing. For the kit best use tubing with 4 mm inner diameter.
The open.theremin V3 will automatically adapt to different types of antennas.


Get your fully assembled and tested Open.Theremin.UNO shield for 74 euro including shipping worldwide.
Payment by PayPal. Be sure to set your correct shipping address.


If you want to be informed when the first batch of the new theremins are ready, please use this form.
See the news blog for updates.


Open.Theremin V3 Shield full Kit


For questions please see the instruction below, read the frequently asked questions (FAQ) or contact me.


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