[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.

[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus ...

The global position sensor market is estimated to reach USD 19.02 billion in 2030 from USD 13.25 billion in 2025, at a CAGR of 7.5% during the forecast period according to a new report by ...

Proximity sensors will also be deployed, alerting researchers when a collared deer comes within a certain distance of a trail camera, regardless of whether the camera captures footage.