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 ...

Fitbit is the original fitness tracker. Although the wearable world has been flooded with new brands and categories (ahem, smart rings), the best Fitbit devices are still some of the most dependable, ...