DIY Arduino Musical Instrument-Theremin with 4 sound modes

Theremin Musical Electronic Instrument Mini Theremin with Screen Display DIY Kit for Arduino Creative Equipment for Geek - AliExpress

Download Optical Theremin Build Instructions Screaming Angels

Make Your Own Simple Theremin : 4 Steps (with Pictures) - Instructables

556 Timer Light Theremin – Simple DIY Electronic Music Projects

How to Make a MIDI Theremin

Groovesizer DIY Synthesizer & Sequencer Kits

Arduino Music Projects: Synths, Theremins, Drums, & More

Theremino Arduino Project Hub

Arduino Music Projects: Synths, Theremins, Drums, & More

Interface Type C Audio Theremin Vintage Musical Module Ingenious Electronic Instrument Multiple Adjustable Voices with Color Screen : Musical Instruments

Pocket Piano DIY Synthesizer – Synthtopia

I've made a Theremin-like instrument with tons of expressivity, here is a mystic improv : r/synthesizers