This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Producing items onto a screen simply by touching the air is a marvelous thing. One way to accomplish this involves four HC-SR04 ultrasonic sensor units that transmit data through an Arduino into a ...

[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]’ ...

According to the National Safety Council (NSC), as many as 40,000 people died in motor vehicle crashes in the U.S. in 2016, the highest total in more than a decade. Among the main causes were speeding ...

Advocating radar technology as the better ultrasonic, Vega demonstrates how its radar sensors outperform under a variety of temperature, gas, pressure, and environmental conditions. Vega’s Greg ...

We've all see those white canes that some people with visual impairments use. They click them on things and listen to, as well as feel, their environment. Denver Dias, as part of his undergraduate ...