A standard electret microphone can detect sub-audio "sounds" when some simple equalization circuitry is added.

This Arduino code ... is based on the sensor's pulse duration. An assistive walking stick prototype designed for visually impaired individuals. This smart stick uses ultrasonic sensors to detect ...

One of the more interesting applications of this circuit would be to replace or to realize a smart sensor with Arduino. The 4…20 mA standard was introduced a few decades ago, to replace the existing 3 ...

WASHINGTON — The Army plans to have its Next Generation Command and Control’s (NGC2) integrated data layer fully operational at the division level before next year’s Project Convergence ...

The smart blind stick utilizes ultrasonic sensors to detect obstacles within a range of up to 2 meters and provides feedback to the user in multiple forms to alert them of nearby obstacles.

FLIR, a Teledyne Technologies company, introduces the Si1-LD, an industrial acoustic imaging camera that brings faster and more accurate compressed air leak detection to those operating on a modest ...