How does an ultrasonic sensor work, how can it solve my application, and what benefits does it hold? Pepperl+Fuchs has more than 30 years of expertise in ultrasonic sensor technology.

However, there are times when neither sensor will work. Fortunately, a third option does exist: the retroreflective ultrasonic sensor.

Ultrasonic sensors work using ultrasound to build up an image of your fingerprint (yes, really) and work better with messy fingerprints - if your hands are wet or oily with sun cream, for example.

Wondering if ultrasonic pest repellers really work? Our article breaks down how effective they are and whether or not they’re worth purchasing for pest control.

The result is much like parallax’s PING))) sensor but much cheaper. His post is not only a good way to save some money, but also does a good job of explaining how ultrasonic sensors work.

Rumors have persisted for a couple of years now that smartphone fingerprint sensors would eventually be going subterranean, embedded within the glass of a phone's screen or ...