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 ...

Waveshare ESP32-H2-Zero is a tiny USB-C development board based on Espressif Systems' ESP32-H2 RISC-V SoC with Zigbee, Thread ...