Project Overview: This project involves creating a functional radar system using an ultrasonic sensor, Arduino Uno, and a breadboard. The radar is capable of detecting objects within a specified range ...

The driver exploits the fact that, at resonance, current and voltage is in phase for a piezoelectric transducer. By locking the driving signal to the current feedback signal, i.e. adjust the driving ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (November 2025) that make the cut: ...

The final act of filmmaker Rohit Arya's life unfolded in a cramped studio in Mumbai's Powai neighbourhood, wired with motion detectors, surveillance cameras, and locks that he thought turned the ...

Physicists in Munich chilled a sugar crystal to about 0.007 Kelvin above absolute zero, then used it to search for dark matter. The project, called SWEET, is a small step toward catching particles far ...

The best home security systems are user-friendly, affordable and customizable to your needs. Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but this ...