Issue No. 001·March 21, 2026·Seoul Edition
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Batear

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Under-$15 acoustic drone detection system on ESP32-S3.

otherMarch 21, 2026
SecurityHome Automation
What It Does

Details

Batear is an acoustic drone warning system that detects drone rotor sounds using a MEMS microphone. It operates entirely on the edge, requiring no internet connection or cloud service, making it a cost-effective solution for drone detection.

Who It's For

Best fit users

  • Homeowners
  • Farmers
  • Security professionals
Why It Matters

Why this one made the cut

With the increasing threat of drones to privacy and security, Batear provides an affordable method for early detection. This system allows individuals to safeguard their properties without the need for expensive equipment.

Differentiator

What makes it different

Batear is unique in its low-cost approach and edge-only operation, in contrast to traditional radar and camera systems.