The HC-SR04 ultrasonic sensor uses SONAR to determine the distance of an object just like the bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy ...

These waves travel through the air and bounce back when they hit an object. The sensor then calculates the time taken for the waves to return and determines the distance to the object using the ...

This was the case for [Rob] and his Porsche 944, which had relied on an old-fashioned mechanical air flow ... Posted in home hacks Tagged air flow meter, arduino, Doppler, hvac, ultrasonic sensor.

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 ...

Arduino Uno – Powered Parking Guidance System with Ultrasonic Sensors" is a smart and innovative solution for simplifying the parking process in crowded urban environments. This paper leverages the ...