Arduino, XIAO ESP32-C3, LD2410 24GHz presence sensor, Buzzer, TM1637 Unexpeced approaching behind when riding frightened me sometimes, although ready made products are in the market, I made bicycle ...

These days, most of us have a smartphone. They are so commonplace that we rarely stop to consider how amazing they truly are.

Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at ...

AC analog voltage sensor module for energy monitoring. - mcmchris/mcm-grove-voltage-sensor ...