Hoffmann + Krippner’s P53-80-D18 compact (45 mm long and 18 mm diameter) ultrasonic sensor is for use in harsh environmental conditions as well as in hygienic applications. Miniature Ultrasonic Sensor ...

Measuring just 1.3'' x 0.3'' x 0.75'', the SM300FP miniature ultrasonic proximity sensor can detect materials at distances of 0.25'' to 4'', reportedly up to 12 times farther than many standard prox ...

Infrared certainly has its uses, but if you’re trying to locate objects, ultrasonic detection is far superior. It’s contact-less, undetectable to the human ear, and it isn’t affected by smoke, dust, ...

Ensuring safe social distancing is one piece of the puzzle for workers in the COVID-19 age. Ultrasonic range-finding sensors can measure the distance between workers with centimeter accuracy and alert ...

Bats are nocturnal hunters and use echolocation to orient themselves by emitting high-frequency ultrasonic sounds in rapid ...

Sometimes, it’s time to shut down the oscilloscope, and break out the cardboard and paints. If you’re wondering what for, well, here’s a reminder of an Instructable from [CrazyScience], that brings us ...