[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.

Ultrasonic proximity sensors use reflected or transmitted ultrasonic waves to detect the presence or absence of a target component. The output is boolean, that is, the sensor merely detects whether ...

Inductive proximity sensors are non-contact proximity devices that set up a radio frequency field with an oscillator and a coil. The presence of an object can alters this field and the sensor is able ...

Proximity sensors -- the most basic data acquisition devices in automation -- fulfill these requirements by providing information in the form of individual process variables to controllers.

Discover the best tech gifts during the 2024 holiday season that your friends and loved ones will absolutely adore.

The G-Prox™ II proximity access cards permit convenient contact-less operation without the wear of a physical contact card. They are available blank (un-programmed) or in either industry standard 26 ...

The iPhone's proximity sensor is one of its handier built-in features. When you raise your iPhone to your ear, its screen will automatically go dark due to the feature, saving battery and making ...

The truck-mounted Vampire guided-rocket system was one of the first counter-UAS weapons provided to Ukraine by the Pentagon, ...

Small and discreet Easy arming and disarming No need to remember a code Compatible with Pyronix keypads and readers Integrated access control By presenting the tag to a valid reader or keypad, a ...

You may wish to locate the microwave in close proximity to the refrigerator ... like a built-in wine rack. Not enough counter space is the bane of any cook's existence. If you don't want to be left ...

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 ...