DroneShield Gives People a Heads Up Drone Alert

  When radar was starting to be used catch speeding cars, the radar detector fought back giving drivers a heads up to slow down. A more modern-age sound meter version is being developed, and this time, it is literally telling you, "heads up!" The DroneShield is a small sound meter that alerts the user that a drone is in the vicinity even before the person can hear it. It works by passively capturing sound and comparing any noise to a database of signatures. If a match is found, the DroneShield goes into alert mode, flashing lights, emailing and sending text messages. As drone signatures change or new drones enter the privacy [...]