The treat in question is detected by an SR-04 ultrasonic distance sensor connected to an Arduino Nano. All in all this was a highly successful build as far as neighborhood entertainment value goes.

And speaking of code, most applications will provide a fault code if the ultrasonic sensor has detected an abnormality along with ADAS-based service lights illuminated on the instrument panel (IP).

Inductive sensors are non-contact proximity sensors that detect ferrous targets, ideally ones made of mild steel thicker than one millimeter. They consist of four major components: a ferrite core with ...

A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...

An Oakville high school student is developing new type of white cane to assist the blind and visually impaired. The concept includes vibration-based GPS navigation, ultrasonic proximity sensors ...

[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus ...