In a smartphone, a proximity sensor is located by the phone speaker. It turns off the touch detection during a phone call; otherwise a person's ear would activate functions when pressed against ...

Carefully clean the front of the phone with a dry, lint-free cloth, noting that the proximity sensor is that little dot just above the speaker on the face of the phone. And if that doesn't fix the ...

[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.

As the momentum builds for mobile-driven digital signage, proximity-marketing based advertising will have the immediate advantage to interact with millions of mobile phones per month resulting in ...