As a police officer and a father to students in the school system, he supports Lake Wales High School using a metal detector in the next school year. “Technology’s come a long way.

Advancements in modern electronics have enabled the sampling of signals with higher resolution, facilitating the application of new techniques for the determination of pulse arrival times at detectors ...

Moreover, most applications, e.g., metal inspection robots in an oil pipeline, require noncontact wireless communications, where the ultrasonic signals do not work. To this end, we propose to use ...

The Earthquake Detector uses an Arduino Uno and ADXL335 accelerometer to sense ground vibrations. When detected motion exceeds a set threshold, a buzzer is triggered for alert. Built on a breadboard ...