This X-shaped sensor will alert you to incoming drones, so you can freak out – Ars Technica

This X-shaped sensor will alert you to incoming drones, so you can freak out
Ars Technica
DroneTracker uses a combination of microphones, wireless sensors, video cameras, and infrared sensors to detect incoming drones. As was shown during a recent demonstration, DroneTracker knows how to distinguish between planes and overhead birds.

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