[Klaus] wanted some sort of aid for parking his car ... $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus]’ device is an Arduino ...

In addition to the Arduino, you’ll need the four wheels, batteries, infrared and ultrasonic sensors ... to each other to put the car in motion using the code that is powered by the Arduino ...

To supply targeting data for the launcher, an Arduino Uno uses an ultrasonic sensor pair mounted atop a servo. As the servo rotates, the returns from the ultrasonic sensor are plotted on a screen ...

This one is an unusual smart home project, potentially - how to monitor a fish tank’s health with an AI-enabled ultrasonic sensor system. The detailed project is highlighted on Hackser.io and features ...