If you need to measure a distance, it is tempting to reach for the ubiquitous ultrasonic module like an HC-SR04. These work well, and they are reasonably easy to use. However, they aren’t without ...
(WHTM) — With the manhunt for Danelo Cavalcante now over, law enforcement officials say they used many different methods to find the missing fugitive. Pennsylvania State Police used helicopters, ...
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