[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

Hell, if you only need to detect if an object is tilted, you can get a simple “ball in a tube” tilt sensor for pennies. [tamberg] liked this idea, but he required a tilt sensor that works in ...

A youtuber has developed a lighting system for staircases using the ESP32 module, the RD D03E mmWave radar sensor, and the ...

Components needed to build include an esp32c3, OLED display, DHT22 sensor, and air quality sensor. The detailed instructions for assembly, including 3D printing the shell, makes it a fun project ...