Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at [aritrakdebnath2003]’s MIDI THEREMIN, we see it works differently, but it does play ...
The tech works by essentially sending many light pulses out to a distance of up to five meters. Light pulses bounce back to the 3D ToF camera when they hit an object, and the time it takes to return ...