[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.

The line of capacitive proximity sensors with potentiometer adjustment for sensitivity allows sensing of metal and nonmetal objects through insulating materials, such as wood or plastic. They are ...

How do robots feel in space? This is both a practical and possibly an existential question. Still, today, we'll focus on the ...